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2018人教版小学三年级数学下册暑假作业

来源:动视网 责编:小OO 时间:2025-10-01 20:54:51
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2018人教版小学三年级数学下册暑假作业

一、直接写出得数。22×3=40×90=170+70=36÷3=180×3=340+200=20+3=95-63=350÷7=81+9=42+33=160÷4=二、竖式计算。22×11=86×47=732÷6=2286×11×47—————————6)73290×67=14×23=402÷6=9014×67×23—————————6)4025-0.8=7.2-3.5=1.4+3.2=5.07.21.4-0.8-3.5+3.2—————————三、解决问题。王老师带了9000元钱,买一台电脑用去
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导读一、直接写出得数。22×3=40×90=170+70=36÷3=180×3=340+200=20+3=95-63=350÷7=81+9=42+33=160÷4=二、竖式计算。22×11=86×47=732÷6=2286×11×47—————————6)73290×67=14×23=402÷6=9014×67×23—————————6)4025-0.8=7.2-3.5=1.4+3.2=5.07.21.4-0.8-3.5+3.2—————————三、解决问题。王老师带了9000元钱,买一台电脑用去
一、直接写出得数。                                                            

22×3=                40×90=                170+70=                            

36÷3=                180×3=                340+200=                            

20+3=                95-63=                350÷7=                            

81+9=                42+33=                160÷4=                            

二、竖式计算。                                                            

22    ×    11    =            86    ×    47    =            732    ÷    6    =

    22                        86                                

×    11                    ×    47                             ———    

———                ———                        6)    732                

                                                            

90    ×    67    =            14    ×    23    =            402    ÷    6    =

    90                        14                                

×    67                    ×    23                             ———    

———                ———                        6)    402                

                                                            

5    -    0.8    =            7.2    -    3.5    =            1.4    +    3.2    =

    5.0                     7.2                        1.4            

-    0.8                    -    3.5                    +    3.2        

———                ———                ———                            

                                                            

三、解决问题。                                                            

王老师带了9000元钱,买一台电脑用去了36元,买一台打印机用去925元,还剩多少元?                                                            

                                                            

一、直接写出得数。                                                            

13×3=                40×40=                320+10=                            

24÷2=                300×5=                410+600=                            

87+8=                82-41=                140÷2=                            

60+2=                38+19=                630÷9=                            

二、竖式计算。                                                            

69    ×    62    =            60    ×    37    =            333    ÷    3    =

    69                        60                                

×    62                    ×    37                             ———    

———                ———                        3)    333                

                                                            

56    ×    55    =            23    ×    44    =            268    ÷    4    =

    56                        23                                

×    55                    ×    44                             ———    

———                ———                        4)    268                

                                                            

5    +    0.6    =            7.6    -    4.4    =            3.2    +    1.1    =

    5.0                     7.6                        3.2            

+    0.6                    -    4.4                    +    1.1        

———                ———                ———                            

                                                            

三、解决问题。                                                            

家具厂上个月生产单人木床19张,双人木床1730张,铁床2706张,铁床比木床少生产多少张?                                                            

                                                            

一、直接写出得数。                                                            

23×3=                40×40=                160-60=                            

24÷2=                180×6=                840+600=                            

16+5=                87-19=                360÷6=                            

66-9=                51+26=                120÷2=                            

二、竖式计算。                                                            

55    ×    83    =            74    ×    25    =            600    ÷    5    =

    55                        74                                

×    83                    ×    25                             ———    

———                ———                        5)    600                

                                                            

92    ×    20    =            27    ×    14    =            438    ÷    6    =

    92                        27                                

×    20                    ×    14                             ———    

———                ———                        6)    438                

                                                            

9    +    0.9    =            6.3    -    1.6    =            3.4    +    4.9    =

    9.0                     6.3                        3.4            

+    0.9                    -    1.6                    +    4.9        

———                ———                ———                            

                                                            

三、解决问题。                                                            

手帕厂原计划八月份生产手帕3443打。采用新的生产流水线后,生产的手帕运走了3292打,还剩986打。比原来计划增产多少打?                                                            

                                                            

一、直接写出得数。                                                            

15×2=                60×50=                830-90=                            

26÷2=                150×3=                0+200=                            

36+6=                74-52=                40÷2=                            

79+4=                10+34=                360÷4=                            

二、竖式计算。                                                            

57    ×    35    =            86    ×    80    =            363    ÷    3    =

    57                        86                                

×    35                    ×    80                             ———    

———                ———                        3)    363                

                                                            

50    ×    35    =            41    ×        =            900    ÷    9    =

    50                        41                                

×    35                    ×                                 ———    

———                ———                        9)    900                

                                                            

5    -    0.3    =            8.5    -    2.2    =            4.3    +    2.9    =

    5.0                     8.5                        4.3            

-    0.3                    -    2.2                    +    2.9        

———                ———                ———                            

                                                            

三、解决问题。                                                            

电视机厂第一天上午生产电视机259台,下午生产161台,如果第三天生产565台,第一天比第二天少生产多少台?                                                            

                                                            

一、直接写出得数。                                                            

14×2=                50×20=                470+40=                            

36÷3=                190×4=                290+800=                            

71+8=                81-46=                300÷5=                            

20-3=                59+32=                150÷5=                            

二、竖式计算。                                                            

42    ×    19    =            68    ×    46    =            960    ÷    8    =

    42                        68                                

×    19                    ×    46                             ———    

———                ———                        8)    960                

                                                            

17    ×    16    =            65    ×    79    =            688    ÷    8    =

    17                        65                                

×    16                    ×    79                             ———    

———                ———                        8)    688                

                                                            

7    +    0.3    =            9.9    -    1.7    =            1.4    +    4.2    =

    7.0                     9.9                        1.4            

+    0.3                    -    1.7                    +    4.2        

———                ———                ———                            

                                                            

三、解决问题。                                                            

文具店有500本练习本,卖出一些后,还剩6包,每包30本,卖出多少本?                                                            

                                                            

一、直接写出得数。                                                            

17×4=                60×10=                380-40=                            

26÷2=                160×5=                340+600=                            

17-2=                98-31=                160÷8=                            

83+2=                34+36=                10÷1=                            

二、竖式计算。                                                            

63    ×    16    =            28    ×    90    =            246    ÷    2    =

    63                        28                                

×    16                    ×    90                             ———    

———                ———                        2)    246                

                                                            

77    ×    27    =            74    ×    56    =            188    ÷    2    =

    77                        74                                

×    27                    ×    56                             ———    

———                ———                        2)    188                

                                                            

2    +    0.1    =            9.3    -    3.9    =            4.2    +    3.6    =

    2.0                     9.3                        4.2            

+    0.1                    -    3.9                    +    3.6        

———                ———                ———                            

                                                            

三、解决问题。                                                            

三、四年级同学一共收集树种127千克,三年级同学收集7袋,每袋9千克,四年级同学收集了多少千克?                                                            

                                                            

一、直接写出得数。                                                            

24×2=                60×60=                140-30=                            

36÷3=                210×2=                500+700=                            

65-6=                86-24=                360÷4=                            

61-1=                14+20=                400÷5=                            

二、竖式计算。                                                            

44    ×    15    =            29    ×    88    =            936    ÷    8    =

    44                        29                                

×    15                    ×    88                             ———    

———                ———                        8)    936                

                                                            

18    ×    58    =            92    ×    16    =            348    ÷    4    =

    18                        92                                

×    58                    ×    16                             ———    

———                ———                        4)    348                

                                                            

6    +    0.6    =            7.3    -    3.3    =            4.4    +    2.6    =

    6.0                     7.3                        4.4            

+    0.6                    -    3.3                    +    2.6        

———                ———                ———                            

                                                            

三、解决问题。                                                            

三年级同学种树93棵,四、五年级种的棵树比三年级种的4倍多16棵,三个年级共种树多少棵?                                                            

                                                            

一、直接写出得数。                                                            

21×2=                70×90=                600+20=                            

36÷3=                280×5=                740+500=                            

22-1=                98-70=                90÷3=                            

88+9=                14+13=                480÷8=                            

二、竖式计算。                                                            

68    ×    32    =            54    ×    31    =            660    ÷    6    =

    68                        54                                

×    32                    ×    31                             ———    

———                ———                        6)    660                

                                                            

72    ×    82    =            11    ×    10    =            558    ÷    9    =

    72                        11                                

×    82                    ×    10                             ———    

———                ———                        9)    558                

                                                            

1    +    0.9    =            6.7    -    2.9    =            5.1    +    3.6    =

    1.0                     6.7                        5.1            

+    0.9                    -    2.9                    +    3.6        

———                ———                ———                            

                                                            

三、解决问题。                                                            

学校里组织兴趣小组,合唱队的人数是器乐队人数的5倍,舞蹈队的人数比器乐队少7人,舞蹈队有23人,合唱队有多少人?                                                            

                                                            

一、直接写出得数。                                                            

11×2=                50×70=                540-10=                            

39÷3=                170×3=                370+200=                            

44+7=                92-59=                480÷6=                            

46-7=                25+38=                50÷1=                            

二、竖式计算。                                                            

70    ×    76    =            67    ×    17    =            590    ÷    5    =

    70                        67                                

×    76                    ×    17                             ———    

———                ———                        5)    590                

                                                            

79    ×    65    =            48    ×    96    =            516    ÷    6    =

    79                        48                                

×    65                    ×    96                             ———    

———                ———                        6)    516                

                                                            

4    -    0.3    =            7.9    -    2.3    =            5.2    +    2.2    =

    4.0                     7.9                        5.2            

-    0.3                    -    2.3                    +    2.2        

———                ———                ———                            

                                                            

三、解决问题。                                                            

学校里组织兴趣小组,合唱队的人数是器乐队人数的2倍,舞蹈队的人数比器乐队少6人,舞蹈队有30人,合唱队有多少人?                                                            

                                                            

一、直接写出得数。                                                            

10×3=                60×80=                550+90=                            

39÷3=                110×6=                340+400=                            

43+9=                94-70=                20÷2=                            

-3=                56+12=                70÷1=                            

二、竖式计算。                                                            

98    ×    27    =            30    ×    16    =            210    ÷    2    =

    98                        30                                

×    27                    ×    16                             ———    

———                ———                        2)    210                

                                                            

17    ×    53    =            61    ×    27    =            228    ÷    4    =

    17                        61                                

×    53                    ×    27                             ———    

———                ———                        4)    228                

                                                            

4    -    0.3    =            7.1    -    2.1    =            2.2    +    4.4    =

    4.0                     7.1                        2.2            

-    0.3                    -    2.1                    +    4.4        

———                ———                ———                            

                                                            

三、解决问题。                                                            

第一养鸡场养鸡2418只,第二养鸡场比第一养鸡场少养1483只,两个养鸡场一共养鸡多少只?                                                            

                                                            

一、直接写出得数。                                                            

13×2=                60×10=                680+70=                            

36÷3=                210×5=                590+400=                            

84+9=                99-24=                240÷4=                            

48-3=                37+33=                480÷8=                            

二、竖式计算。                                                            

65    ×    49    =            33    ×    23    =            6    ÷    8    =

    65                        33                                

×    49                    ×    23                             ———    

———                ———                        8)    6                

                                                            

33    ×    40    =            43    ×    69    =            630    ÷    7    =

    33                        43                                

×    40                    ×    69                             ———    

———                ———                        7)    630                

                                                            

8    +    0.7    =            6.9    -    4.8    =            6.3    +    3.3    =

    8.0                     6.9                        6.3            

+    0.7                    -    4.8                    +    3.3        

———                ———                ———                            

                                                            

三、解决问题。                                                            

王老师带了10000元钱,买一台电脑用去了3040元,买一台打印机用去910元,还剩多少元?                                                            

                                                            

一、直接写出得数。                                                            

11×4=                90×20=                460-70=                            

36÷3=                160×5=                250+700=                            

42+2=                73-66=                240÷4=                            

52+7=                17+15=                140÷7=                            

二、竖式计算。                                                            

58    ×    94    =            22    ×    84    =            805    ÷    7    =

    58                        22                                

×    94                    ×    84                             ———    

———                ———                        7)    805                

                                                            

16    ×    49    =            86    ×    92    =            800    ÷    8    =

    16                        86                                

×    49                    ×    92                             ———    

———                ———                        8)    800                

                                                            

5    -    0.1    =            5.4    -    1.3    =            1.2    +    4.2    =

    5.0                     5.4                        1.2            

-    0.1                    -    1.3                    +    4.2        

———                ———                ———                            

                                                            

三、解决问题。                                                            

三、四年级同学一共收集树种97千克,三年级同学收集5袋,每袋6千克,四年级同学收集了多少千克?                                                            

                                                            

一、直接写出得数。                                                            

10×2=                70×50=                800-40=                            

26÷2=                160×4=                370+400=                            

78-2=                73-33=                160÷4=                            

75-8=                45+12=                180÷3=                            

二、竖式计算。                                                            

96    ×    29    =            97    ×    43    =            612    ÷    6    =

    96                        97                                

×    29                    ×    43                             ———    

———                ———                        6)    612                

                                                            

49    ×    51    =            75    ×    85    =            756    ÷    9    =

    49                        75                                

×    51                    ×    85                             ———    

———                ———                        9)    756                

                                                            

5    -    0.4    =            8.6    -    2.2    =            2.3    +    3.2    =

    5.0                     8.6                        2.3            

-    0.4                    -    2.2                    +    3.2        

———                ———                ———                            

                                                            

三、解决问题。                                                            

王老师带了7000元钱,买一台电脑用去了5200元,买一台打印机用去1288元,还剩多少元?                                                            

                                                            

一、直接写出得数。                                                            

24×2=                60×70=                520-50=                            

39÷3=                220×2=                480+200=                            

40-4=                92-58=                270÷9=                            

42-3=                30+35=                120÷4=                            

二、竖式计算。                                                            

58    ×    11    =            50    ×    79    =            738    ÷    6    =

    58                        50                                

×    11                    ×    79                             ———    

———                ———                        6)    738                

                                                            

80    ×    52    =            13    ×    91    =            342    ÷    6    =

    80                        13                                

×    52                    ×    91                             ———    

———                ———                        6)    342                

                                                            

6    -    0.2    =            8.4    -    3.7    =            3.1    +    4.9    =

    6.0                     8.4                        3.1            

-    0.2                    -    3.7                    +    4.9        

———                ———                ———                            

                                                            

三、解决问题。                                                            

第一养鸡场养鸡2777只,第二养鸡场比第一养鸡场少养6只,两个养鸡场一共养鸡多少只?                                                            

                                                            

一、直接写出得数。                                                            

16×4=                20×70=                370-40=                            

36÷3=                240×3=                240+200=                            

88-4=                96-17=                20÷2=                            

22+5=                52+26=                50÷5=                            

二、竖式计算。                                                            

79    ×    47    =                ×    84    =            595    ÷    5    =

    79                                                        

×    47                    ×    84                             ———    

———                ———                        5)    595                

                                                            

75    ×    90    =            78    ×    65    =            400    ÷    4    =

    75                        78                                

×    90                    ×    65                             ———    

———                ———                        4)    400                

                                                            

1    -    0.6    =            9.8    -    5.9    =            4.1    +    3.9    =

    1.0                     9.8                        4.1            

-    0.6                    -    5.9                    +    3.9        

———                ———                ———                            

                                                            

三、解决问题。                                                            

电视机厂第一天上午生产电视机219台,下午生产163台,如果第三天生产562台,第一天比第二天少生产多少台?                                                            

                                                            

一、直接写出得数。                                                            

10×4=                90×20=                840+40=                            

26÷2=                270×4=                570+600=                            

49-8=                97-25=                10÷1=                            

61+6=                55+12=                720÷8=                            

二、竖式计算。                                                            

70    ×    61    =            67    ×    25    =            238    ÷    2    =

    70                        67                                

×    61                    ×    25                             ———    

———                ———                        2)    238                

                                                            

16    ×    26    =            65    ×    28    =            288    ÷    4    =

    16                        65                                

×    26                    ×    28                             ———    

———                ———                        4)    288                

                                                            

9    -    0.5    =            8.3    -    5.4    =            3.3    +    3.4    =

    9.0                     8.3                        3.3            

-    0.5                    -    5.4                    +    3.4        

———                ———                ———                            

                                                            

三、解决问题。                                                            

从1000里面连续减去10,减多少次差是0?                                                            

                                                            

一、直接写出得数。                                                            

13×2=                60×20=                300+20=                            

24÷2=                230×5=                400+900=                            

74-2=                82-26=                810÷9=                            

80-9=                23+32=                120÷3=                            

二、竖式计算。                                                            

25    ×    32    =            26    ×    49    =            525    ÷    5    =

    25                        26                                

×    32                    ×    49                             ———    

———                ———                        5)    525                

                                                            

56    ×    39    =            82    ×    17    =            592    ÷    8    =

    56                        82                                

×    39                    ×    17                             ———    

———                ———                        8)    592                

                                                            

7    +    0.2    =            6.1    -    5.6    =            4.4    +    2.4    =

    7.0                     6.1                        4.4            

+    0.2                    -    5.6                    +    2.4        

———                ———                ———                            

                                                            

三、解决问题。                                                            

一个书架有3层书,共有150本,从第一层拿出19本放到第二层,从第三层拿出25本放到第二层,这时三层书架中书的本数相等,原来每层各有几本书?                                                            

                                                            

一、直接写出得数。                                                            

19×3=                50×10=                620-10=                            

26÷2=                210×3=                650+400=                            

52-6=                71-31=                100÷5=                            

68-1=                40+12=                80÷4=                            

二、竖式计算。                                                            

87    ×    96    =            15    ×    75    =            726    ÷    6    =

    87                        15                                

×    96                    ×    75                             ———    

———                ———                        6)    726                

                                                            

90    ×    28    =            22    ×    84    =            224    ÷    4    =

    90                        22                                

×    28                    ×    84                             ———    

———                ———                        4)    224                

                                                            

1    -    0.7    =            6.2    -    1.4    =            6.1    +    4.6    =

    1.0                     6.2                        6.1            

-    0.7                    -    1.4                    +    4.6        

———                ———                ———                            

                                                            

三、解决问题。                                                            

少先队员割草。第一小队割草36千克,第二小队割草46千克,第三小队比第一、二小队割草总数少45千克,第三小队割草多少千克?                                                            

                                                            

一、直接写出得数。                                                            

25×3=                90×20=                420+90=                            

39÷3=                160×3=                800+100=                            

87-7=                75-67=                240÷8=                            

38-6=                26+20=                300÷5=                            

二、竖式计算。                                                            

13    ×    50    =            19    ×    69    =            348    ÷    3    =

    13                        19                                

×    50                    ×    69                             ———    

———                ———                        3)    348                

                                                            

11    ×    98    =            23    ×    66    =            525    ÷    7    =

    11                        23                                

×    98                    ×    66                             ———    

———                ———                        7)    525                

                                                            

2    -    0.2    =            6.3    -    4.1    =            2.3    +    3.2    =

    2.0                     6.3                        2.3            

-    0.2                    -    4.1                    +    3.2        

———                ———                ———                            

                                                            

三、解决问题。                                                            

文具店有700本练习本,卖出一些后,还剩4包,每包21本,卖出多少本?                                                            

                                                            

一、直接写出得数。                                                            

17×2=                80×90=                290+20=                            

26÷2=                120×2=                740+500=                            

79+8=                75-33=                40÷2=                            

13-9=                34+34=                10÷1=                            

二、竖式计算。                                                            

21    ×    21    =            60    ×    81    =            535    ÷    5    =

    21                        60                                

×    21                    ×    81                             ———    

———                ———                        5)    535                

                                                            

46    ×    91    =            40    ×    86    =            396    ÷    4    =

    46                        40                                

×    91                    ×    86                             ———    

———                ———                        4)    396                

                                                            

8    -    0.5    =            8.7    -    4.4    =            2.2    +    2.8    =

    8.0                     8.7                        2.2            

-    0.5                    -    4.4                    +    2.8        

———                ———                ———                            

                                                            

三、解决问题。                                                            

少先队员割草。第一小队割草36千克,第二小队割草50千克,第三小队比第一、二小队割草总数少31千克,第三小队割草多少千克?                                                            

                                                            

一、直接写出得数。                                                            

15×3=                30×90=                810+90=                            

36÷3=                270×6=                840+300=                            

88-2=                75-14=                30÷3=                            

74+9=                50+16=                90÷1=                            

二、竖式计算。                                                            

79    ×    63    =            78    ×    78    =            545    ÷    5    =

    79                        78                                

×    63                    ×    78                             ———    

———                ———                        5)    545                

                                                            

27    ×    96    =            12    ×    32    =            130    ÷    2    =

    27                        12                                

×    96                    ×    32                             ———    

———                ———                        2)    130                

                                                            

1    +    0.7    =            7.7    -    2.1    =            1.3    +    4.5    =

    1.0                     7.7                        1.3            

+    0.7                    -    2.1                    +    4.5        

———                ———                ———                            

                                                            

三、解决问题。                                                            

家具厂上个月生产单人木床1980张,双人木床2175张,铁床1947张,铁床比木床少生产多少张?                                                            

                                                            

一、直接写出得数。                                                            

22×3=                60×60=                330-20=                            

36÷3=                130×2=                0+700=                            

81-2=                72-68=                50÷1=                            

25-1=                46+23=                360÷6=                            

二、竖式计算。                                                            

84    ×    50    =            23    ×    39    =            336    ÷    3    =

    84                        23                                

×    50                    ×    39                             ———    

———                ———                        3)    336                

                                                            

84    ×    73    =            99    ×    10    =            328    ÷    4    =

    84                        99                                

×    73                    ×    10                             ———    

———                ———                        4)    328                

                                                            

6    -    0.9    =            8.4    -    1.8    =            1.4    +    2.2    =

    6.0                     8.4                        1.4            

-    0.9                    -    1.8                    +    2.2        

———                ———                ———                            

                                                            

三、解决问题。                                                            

三、四年级同学一共收集树种95千克,三年级同学收集7袋,每袋8千克,四年级同学收集了多少千克?                                                            

                                                            

一、直接写出得数。                                                            

23×4=                70×40=                340+50=                            

26÷2=                100×2=                690+600=                            

24-4=                73-44=                720÷9=                            

13-2=                23+40=                400÷5=                            

二、竖式计算。                                                            

41    ×    33    =            66    ×    72    =            236    ÷    2    =

    41                        66                                

×    33                    ×    72                             ———    

———                ———                        2)    236                

                                                            

26    ×    72    =            38    ×    70    =            468    ÷    9    =

    26                        38                                

×    72                    ×    70                             ———    

———                ———                        9)    468                

                                                            

2    -    0.4    =            7.2    -    2.8    =            5.2    +    1.1    =

    2.0                     7.2                        5.2            

-    0.4                    -    2.8                    +    1.1        

———                ———                ———                            

                                                            

三、解决问题。                                                            

一个书架有3层书,共有150本,从第一层拿出12本放到第二层,从第三层拿出20本放到第二层,这时三层书架中书的本数相等,原来每层各有几本书?                                                            

                                                            

一、直接写出得数。                                                            

16×4=                20×50=                790-20=                            

26÷2=                280×4=                580+700=                            

30-2=                73-36=                360÷9=                            

53+2=                22+11=                100÷5=                            

二、竖式计算。                                                            

21    ×    41    =            80    ×    53    =            630    ÷    6    =

    21                        80                                

×    41                    ×    53                             ———    

———                ———                        6)    630                

                                                            

54    ×    94    =            33    ×    96    =            584    ÷    8    =

    54                        33                                

×    94                    ×    96                             ———    

———                ———                        8)    584                

                                                            

3    +    0.4    =            8.9    -    1.2    =            2.1    +    2.1    =

    3.0                     8.9                        2.1            

+    0.4                    -    1.2                    +    2.1        

———                ———                ———                            

                                                            

三、解决问题。                                                            

三年级同学种树66棵,四、五年级种的棵树比三年级种的2倍多20棵,三个年级共种树多少棵?                                                            

                                                            

一、直接写出得数。                                                            

16×2=                90×50=                480-10=                            

26÷2=                240×4=                500+600=                            

26-9=                97-22=                60÷2=                            

86+9=                53+36=                450÷9=                            

二、竖式计算。                                                            

19    ×    71    =            78    ×    42    =            436    ÷    4    =

    19                        78                                

×    71                    ×    42                             ———    

———                ———                        4)    436                

                                                            

85    ×    74    =            68    ×    15    =            800    ÷    8    =

    85                        68                                

×    74                    ×    15                             ———    

———                ———                        8)    800                

                                                            

6    -    0.4    =            7.7    -    1.7    =            3.4    +    4.5    =

    6.0                     7.7                        3.4            

-    0.4                    -    1.7                    +    4.5        

———                ———                ———                            

                                                            

三、解决问题。                                                            

从600里面连续减去25,减多少次差是0?                                                            

                                                            

一、直接写出得数。                                                            

14×3=                40×20=                780+10=                            

36÷3=                230×4=                880+600=                            

52-9=                87-58=                40÷4=                            

39-1=                37+28=                450÷9=                            

二、竖式计算。                                                            

26    ×    23    =            87    ×    83    =            620    ÷    5    =

    26                        87                                

×    23                    ×    83                             ———    

———                ———                        5)    620                

                                                            

80    ×    53    =            51    ×    14    =            490    ÷    7    =

    80                        51                                

×    53                    ×    14                             ———    

———                ———                        7)    490                

                                                            

6    -    0.6    =            9.3    -    5.5    =            3.2    +    2.3    =

    6.0                     9.3                        3.2            

-    0.6                    -    5.5                    +    2.3        

———                ———                ———                            

                                                            

三、解决问题。                                                            

少先队员割草。第一小队割草50千克,第二小队割草41千克,第三小队比第一、二小队割草总数少38千克,第三小队割草多少千克?                                                            

                                                            

一、直接写出得数。                                                            

12×2=                80×50=                170-10=                            

39÷3=                100×5=                880+300=                            

12+5=                86-57=                200÷5=                            

15-2=                47+14=                10÷1=                            

二、竖式计算。                                                            

75    ×    25    =            22    ×    31    =            672    ÷    6    =

    75                        22                                

×    25                    ×    31                             ———    

———                ———                        6)    672                

                                                            

28    ×    22    =            96    ×    79    =            792    ÷    9    =

    28                        96                                

×    22                    ×    79                             ———    

———                ———                        9)    792                

                                                            

2    -    0.7    =            8.5    -    5.2    =            3.4    +    2.1    =

    2.0                     8.5                        3.4            

-    0.7                    -    5.2                    +    2.1        

———                ———                ———                            

                                                            

三、解决问题。                                                            

少先队员割草。第一小队割草42千克,第二小队割草40千克,第三小队比第一、二小队割草总数少25千克,第三小队割草多少千克?                                                            

                                                            

一、直接写出得数。                                                            

17×4=                80×10=                320+20=                            

24÷2=                190×4=                370+900=                            

37+6=                99-33=                150÷5=                            

82+4=                57+35=                160÷4=                            

二、竖式计算。                                                            

73    ×    93    =            13    ×    51    =            218    ÷    2    =

    73                        13                                

×    93                    ×    51                             ———    

———                ———                        2)    218                

                                                            

19    ×    26    =            66    ×    33    =            468    ÷    6    =

    19                        66                                

×    26                    ×    33                             ———    

———                ———                        6)    468                

                                                            

5    +    0.1    =            8.7    -    1.3    =            3.2    +    4.4    =

    5.0                     8.7                        3.2            

+    0.1                    -    1.3                    +    4.4        

———                ———                ———                            

                                                            

三、解决问题。                                                            

家具厂上个月生产单人木床1703张,双人木床1832张,铁床2503张,铁床比木床少生产多少张?                                                            

                                                            

一、直接写出得数。                                                            

10×3=                40×30=                900-60=                            

26÷2=                250×3=                510+500=                            

63+6=                70-59=                150÷3=                            

53-6=                52+11=                40÷4=                            

二、竖式计算。                                                            

51    ×    79    =            61    ×    82    =            535    ÷    5    =

    51                        61                                

×    79                    ×    82                             ———    

———                ———                        5)    535                

                                                            

77    ×    38    =            67    ×    87    =            495    ÷    9    =

    77                        67                                

×    38                    ×    87                             ———    

———                ———                        9)    495                

                                                            

1    -    0.5    =            9.1    -    4.4    =            6.4    +    2.8    =

    1.0                     9.1                        6.4            

-    0.5                    -    4.4                    +    2.8        

———                ———                ———                            

                                                            

三、解决问题。                                                            

王老师带了9000元钱,买一台电脑用去了5413元,买一台打印机用去746元,还剩多少元?                                                            

                                                            

一、直接写出得数。                                                            

18×4=                40×20=                610+80=                            

24÷2=                250×5=                390+500=                            

30+6=                74-18=                180÷9=                            

76-4=                18+27=                480÷8=                            

二、竖式计算。                                                            

11    ×    34    =            31    ×    45    =            468    ÷    4    =

    11                        31                                

×    34                    ×    45                             ———    

———                ———                        4)    468                

                                                            

93    ×    40    =            86    ×    61    =            184    ÷    2    =

    93                        86                                

×    40                    ×    61                             ———    

———                ———                        2)    184                

                                                            

9    +    0.3    =            7.8    -    4.4    =            6.3    +    1.3    =

    9.0                     7.8                        6.3            

+    0.3                    -    4.4                    +    1.3        

———                ———                ———                            

                                                            

三、解决问题。                                                            

少先队员割草。第一小队割草44千克,第二小队割草50千克,第三小队比第一、二小队割草总数少43千克,第三小队割草多少千克?                                                            

                                                            

一、直接写出得数。                                                            

20×2=                20×60=                340-70=                            

24÷2=                220×2=                820+100=                            

58+8=                83-45=                360÷4=                            

53+3=                50+22=                100÷5=                            

二、竖式计算。                                                            

86    ×    31    =            82    ×    70    =            600    ÷    5    =

    86                        82                                

×    31                    ×    70                             ———    

———                ———                        5)    600                

                                                            

82    ×    41    =            26    ×    57    =            104    ÷    2    =

    82                        26                                

×    41                    ×    57                             ———    

———                ———                        2)    104                

                                                            

4    -    0.9    =            9.3    -    1.5    =            3.4    +    3.9    =

    4.0                     9.3                        3.4            

-    0.9                    -    1.5                    +    3.9        

———                ———                ———                            

                                                            

三、解决问题。                                                            

手帕厂原计划八月份生产手帕3417打。采用新的生产流水线后,生产的手帕运走了2812打,还剩901打。比原来计划增产多少打?                                                            

                                                            

一、直接写出得数。                                                            

15×3=                70×40=                550-10=                            

26÷2=                120×6=                360+200=                            

87+8=                -12=                120÷3=                            

61-2=                34+30=                60÷3=                            

二、竖式计算。                                                            

86    ×    93    =            44    ×    78    =            600    ÷    5    =

    86                        44                                

×    93                    ×    78                             ———    

———                ———                        5)    600                

                                                            

92    ×    33    =            26    ×        =            378    ÷    7    =

    92                        26                                

×    33                    ×                                 ———    

———                ———                        7)    378                

                                                            

5    -    0.4    =            7.6    -    4.3    =            1.3    +    4.4    =

    5.0                     7.6                        1.3            

-    0.4                    -    4.3                    +    4.4        

———                ———                ———                            

                                                            

三、解决问题。                                                            

学校里组织兴趣小组,合唱队的人数是器乐队人数的5倍,舞蹈队的人数比器乐队少3人,舞蹈队有20人,合唱队有多少人?                                                            

                                                            

一、直接写出得数。                                                            

12×2=                80×40=                740-80=                            

26÷2=                290×6=                340+700=                            

68-9=                82-56=                180÷3=                            

48-7=                38+37=                300÷5=                            

二、竖式计算。                                                            

20    ×    42    =            48    ×    40    =            749    ÷    7    =

    20                        48                                

×    42                    ×    40                             ———    

———                ———                        7)    749                

                                                            

82    ×    35    =            52    ×    91    =            469    ÷    7    =

    82                        52                                

×    35                    ×    91                             ———    

———                ———                        7)    469                

                                                            

6    +    0.4    =            6.7    -    2.5    =            1.1    +    4.7    =

    6.0                     6.7                        1.1            

+    0.4                    -    2.5                    +    4.7        

———                ———                ———                            

                                                            

三、解决问题。                                                            

电视机厂第一天上午生产电视机286台,下午生产205台,如果第三天生产600台,第一天比第二天少生产多少台?                                                            

                                                            

一、直接写出得数。                                                            

23×2=                50×20=                380+60=                            

24÷2=                290×3=                430+600=                            

+1=                85-60=                450÷5=                            

47+4=                27+21=                60÷3=                            

二、竖式计算。                                                            

21    ×    62    =            45    ×    49    =            214    ÷    2    =

    21                        45                                

×    62                    ×    49                             ———    

———                ———                        2)    214                

                                                            

68    ×    49    =            21    ×    22    =            4    ÷    8    =

    68                        21                                

×    49                    ×    22                             ———    

———                ———                        8)    4                

                                                            

1    -    0.6    =            5.7    -    1.3    =            5.1    +    1.9    =

    1.0                     5.7                        5.1            

-    0.6                    -    1.3                    +    1.9        

———                ———                ———                            

                                                            

三、解决问题。                                                            

家具厂上个月生产单人木床1557张,双人木床1958张,铁床2020张,铁床比木床少生产多少张?                                                            

                                                            

一、直接写出得数。                                                            

13×3=                60×40=                0-20=                            

39÷3=                300×3=                780+200=                            

12-3=                72-54=                40÷2=                            

56+9=                34+15=                560÷7=                            

二、竖式计算。                                                            

79    ×    67    =            18    ×    24    =            936    ÷    8    =

    79                        18                                

×    67                    ×    24                             ———    

———                ———                        8)    936                

                                                            

80    ×    13    =            83    ×    21    =            384    ÷    6    =

    80                        83                                

×    13                    ×    21                             ———    

———                ———                        6)    384                

                                                            

7    -    0.4    =            9.1    -    2.9    =            3.3    +    4.4    =

    7.0                     9.1                        3.3            

-    0.4                    -    2.9                    +    4.4        

———                ———                ———                            

                                                            

三、解决问题。                                                            

王老师带了7000元钱,买一台电脑用去了4583元,买一台打印机用去0元,还剩多少元?                                                            

                                                            

一、直接写出得数。                                                            

11×2=                70×80=                820-10=                            

36÷3=                180×6=                780+300=                            

52+1=                70-57=                400÷8=                            

58+4=                49+14=                30÷1=                            

二、竖式计算。                                                            

24    ×    60    =            58    ×    29    =            342    ÷    3    =

    24                        58                                

×    60                    ×    29                             ———    

———                ———                        3)    342                

                                                            

30    ×    22    =            61    ×    44    =            513    ÷    9    =

    30                        61                                

×    22                    ×    44                             ———    

———                ———                        9)    513                

                                                            

7    +    0.4    =            8.5    -    4.6    =            6.2    +    1.7    =

    7.0                     8.5                        6.2            

+    0.4                    -    4.6                    +    1.7        

———                ———                ———                            

                                                            

三、解决问题。                                                            

第一养鸡场养鸡2069只,第二养鸡场比第一养鸡场少养1126只,两个养鸡场一共养鸡多少只?                                                            

                                                            

一、直接写出得数。                                                            

16×4=                30×80=                600-50=                            

24÷2=                210×6=                710+500=                            

44-2=                94-32=                280÷4=                            

15-2=                21+19=                300÷5=                            

二、竖式计算。                                                            

25    ×    12    =            40    ×    21    =            236    ÷    2    =

    25                        40                                

×    12                    ×    21                             ———    

———                ———                        2)    236                

                                                            

77    ×    45    =            81    ×    80    =            116    ÷    2    =

    77                        81                                

×    45                    ×    80                             ———    

———                ———                        2)    116                

                                                            

7    +    0.1    =            5.1    -    1.7    =            6.2    +    4.4    =

    7.0                     5.1                        6.2            

+    0.1                    -    1.7                    +    4.4        

———                ———                ———                            

                                                            

三、解决问题。                                                            

三、四年级同学一共收集树种137千克,三年级同学收集6袋,每袋6千克,四年级同学收集了多少千克?                                                            

                                                            

一、直接写出得数。                                                            

17×4=                40×60=                660+20=                            

36÷3=                290×4=                790+100=                            

33+8=                84-20=                80÷1=                            

69+8=                41+18=                350÷5=                            

二、竖式计算。                                                            

65    ×    97    =            12    ×    44    =            230    ÷    2    =

    65                        12                                

×    97                    ×    44                             ———    

———                ———                        2)    230                

                                                            

11    ×    99    =            42    ×    88    =            365    ÷    5    =

    11                        42                                

×    99                    ×    88                             ———    

———                ———                        5)    365                

                                                            

6    -    0.2    =            6.9    -    3.2    =            4.3    +    2.6    =

    6.0                     6.9                        4.3            

-    0.2                    -    3.2                    +    2.6        

———                ———                ———                            

                                                            

三、解决问题。                                                            

第一养鸡场养鸡2310只,第二养鸡场比第一养鸡场少养955只,两个养鸡场一共养鸡多少只?                                                            

                                                            

一、直接写出得数。                                                            

22×2=                50×10=                490-90=                            

26÷2=                220×3=                0+500=                            

77+4=                75-29=                300÷6=                            

23-3=                40+32=                90÷1=                            

二、竖式计算。                                                            

10    ×    59    =            28    ×    32    =            363    ÷    3    =

    10                        28                                

×    59                    ×    32                             ———    

———                ———                        3)    363                

                                                            

21    ×    29    =            59    ×    15    =            693    ÷    9    =

    21                        59                                

×    29                    ×    15                             ———    

———                ———                        9)    693                

                                                            

8    +    0.9    =            8.9    -    4.2    =            5.1    +    2.9    =

    8.0                     8.9                        5.1            

+    0.9                    -    4.2                    +    2.9        

———                ———                ———                            

                                                            

三、解决问题。                                                            

三、四年级同学一共收集树种131千克,三年级同学收集9袋,每袋8千克,四年级同学收集了多少千克?                                                            

                                                            

一、直接写出得数。                                                            

21×2=                10×40=                800+40=                            

39÷3=                290×3=                710+400=                            

90+9=                85-54=                140÷2=                            

61-8=                50+28=                80÷4=                            

二、竖式计算。                                                            

48    ×    60    =            95    ×    47    =            525    ÷    5    =

    48                        95                                

×    60                    ×    47                             ———    

———                ———                        5)    525                

                                                            

58    ×    12    =            23    ×    54    =            621    ÷    9    =

    58                        23                                

×    12                    ×    54                             ———    

———                ———                        9)    621                

                                                            

4    -    0.5    =            6.2    -    3.1    =            4.2    +    1.7    =

    4.0                     6.2                        4.2            

-    0.5                    -    3.1                    +    1.7        

———                ———                ———                            

                                                            

三、解决问题。                                                            

一个书架有3层书,共有150本,从第一层拿出16本放到第二层,从第三层拿出25本放到第二层,这时三层书架中书的本数相等,原来每层各有几本书?                                                            

                                                            

一、直接写出得数。                                                            

19×2=                90×20=                0+40=                            

36÷3=                220×6=                180+800=                            

31-1=                94-53=                280÷7=                            

67-6=                60+35=                240÷3=                            

二、竖式计算。                                                            

63    ×    70    =            63    ×    20    =            432    ÷    4    =

    63                        63                                

×    70                    ×    20                             ———    

———                ———                        4)    432                

                                                            

39    ×    91    =            87    ×    97    =            388    ÷    4    =

    39                        87                                

×    91                    ×    97                             ———    

———                ———                        4)    388                

                                                            

1    -    0.1    =            5.4    -    4.9    =            5.2    +    1.1    =

    1.0                     5.4                        5.2            

-    0.1                    -    4.9                    +    1.1        

———                ———                ———                            

                                                            

三、解决问题。                                                            

手帕厂原计划八月份生产手帕3055打。采用新的生产流水线后,生产的手帕运走了3018打,还剩965打。比原来计划增产多少打?                                                            

                                                            

一、直接写出得数。                                                            

14×2=                70×20=                110+80=                            

26÷2=                260×4=                130+900=                            

50-8=                85-14=                160÷2=                            

30-6=                38+11=                60÷3=                            

二、竖式计算。                                                            

71    ×    51    =            40    ×    41    =            545    ÷    5    =

    71                        40                                

×    51                    ×    41                             ———    

———                ———                        5)    545                

                                                            

94    ×    44    =            41    ×    22    =            427    ÷    7    =

    94                        41                                

×    44                    ×    22                             ———    

———                ———                        7)    427                

                                                            

8    +    0.4    =            9.2    -    3.4    =            5.1    +    4.4    =

    8.0                     9.2                        5.1            

+    0.4                    -    3.4                    +    4.4        

———                ———                ———                            

                                                            

三、解决问题。                                                            

从1800里面连续减去10,减多少次差是0?                                                            

                                                            

一、直接写出得数。                                                            

10×3=                30×70=                760+10=                            

24÷2=                230×2=                840+300=                            

74+3=                85-27=                300÷5=                            

41+4=                38+37=                160÷2=                            

二、竖式计算。                                                            

32    ×    80    =            51    ×    71    =            460    ÷    4    =

    32                        51                                

×    80                    ×    71                             ———    

———                ———                        4)    460                

                                                            

11    ×    48    =            98    ×    34    =            776    ÷    8    =

    11                        98                                

×    48                    ×    34                             ———    

———                ———                        8)    776                

                                                            

1    -    0.4    =            6.9    -    1.7    =            4.1    +    2.9    =

    1.0                     6.9                        4.1            

-    0.4                    -    1.7                    +    2.9        

———                ———                ———                            

                                                            

三、解决问题。                                                            

王老师带了8000元钱,买一台电脑用去了4330元,买一台打印机用去461元,还剩多少元?                                                            

                                                            

一、直接写出得数。                                                            

19×4=                40×20=                450+90=                            

26÷2=                290×3=                380+100=                            

25-5=                80-28=                490÷7=                            

22-2=                23+33=                60÷1=                            

二、竖式计算。                                                            

31    ×    47    =            84    ×    41    =            369    ÷    3    =

    31                        84                                

×    47                    ×    41                             ———    

———                ———                        3)    369                

                                                            

40    ×    56    =            15    ×    41    =            460    ÷    5    =

    40                        15                                

×    56                    ×    41                             ———    

———                ———                        5)    460                

                                                            

6    -    0.5    =            5.6    -    5.9    =            3.3    +    2.3    =

    6.0                     5.6                        3.3            

-    0.5                    -    5.9                    +    2.3        

———                ———                ———                            

                                                            

三、解决问题。                                                            

第一养鸡场养鸡2235只,第二养鸡场比第一养鸡场少养980只,两个养鸡场一共养鸡多少只?                                                            

                                                            

一、直接写出得数。                                                            

20×2=                30×60=                230-60=                            

39÷3=                220×5=                710+700=                            

77+1=                95-49=                30÷1=                            

65+9=                37+36=                10÷1=                            

二、竖式计算。                                                            

48    ×    57    =            17    ×    45    =            654    ÷    6    =

    48                        17                                

×    57                    ×    45                             ———    

———                ———                        6)    654                

                                                            

91    ×    51    =            78    ×    18    =            352    ÷    4    =

    91                        78                                

×    51                    ×    18                             ———    

———                ———                        4)    352                

                                                            

6    -    0.7    =            8.7    -    4.2    =            4.2    +    4.2    =

    6.0                     8.7                        4.2            

-    0.7                    -    4.2                    +    4.2        

———                ———                ———                            

                                                            

三、解决问题。                                                            

手帕厂原计划八月份生产手帕3230打。采用新的生产流水线后,生产的手帕运走了2836打,还剩993打。比原来计划增产多少打?                                                            

                                                            

一、直接写出得数。                                                            

25×3=                60×30=                690+80=                            

26÷2=                110×2=                570+400=                            

54-2=                80-26=                280÷7=                            

22-6=                29+31=                0÷8=                            

二、竖式计算。                                                            

31    ×    10    =            28    ×    35    =            214    ÷    2    =

    31                        28                                

×    10                    ×    35                             ———    

———                ———                        2)    214                

                                                            

81    ×    52    =            73    ×    62    =            174    ÷    2    =

    81                        73                                

×    52                    ×    62                             ———    

———                ———                        2)    174                

                                                            

4    +    0.5    =            5.6    -    1.5    =            2.1    +    1.5    =

    4.0                     5.6                        2.1            

+    0.5                    -    1.5                    +    1.5        

———                ———                ———                            

                                                            

三、解决问题。                                                            

手帕厂原计划八月份生产手帕3278打。采用新的生产流水线后,生产的手帕运走了3146打,还剩5打。比原来计划增产多少打?                                                            

                                                            

一、直接写出得数。                                                            

14×3=                90×30=                380-30=                            

24÷2=                240×2=                420+200=                            

20-7=                86-65=                200÷5=                            

61-8=                48+40=                100÷2=                            

二、竖式计算。                                                            

17    ×    55    =            20    ×    47    =            242    ÷    2    =

    17                        20                                

×    55                    ×    47                             ———    

———                ———                        2)    242                

                                                            

20    ×    68    =            51    ×    22    =            567    ÷    7    =

    20                        51                                

×    68                    ×    22                             ———    

———                ———                        7)    567                

                                                            

5    +    0.1    =            8.4    -    2.4    =            5.3    +    3.1    =

    5.0                     8.4                        5.3            

+    0.1                    -    2.4                    +    3.1        

———                ———                ———                            

                                                            

三、解决问题。                                                            

少先队员割草。第一小队割草39千克,第二小队割草53千克,第三小队比第一、二小队割草总数少26千克,第三小队割草多少千克?                                                            

                                                            

一、直接写出得数。                                                            

10×3=                50×50=                210-60=                            

26÷2=                150×5=                460+700=                            

47+3=                95-61=                300÷5=                            

36+8=                28+26=                180÷9=                            

二、竖式计算。                                                            

63    ×    72    =            15    ×    73    =            318    ÷    3    =

    63                        15                                

×    72                    ×    73                             ———    

———                ———                        3)    318                

                                                            

81    ×    84    =            51    ×    63    =            552    ÷    8    =

    81                        51                                

×    84                    ×    63                             ———    

———                ———                        8)    552                

                                                            

6    -    0.3    =            5.6    -    1.3    =            2.2    +    3.2    =

    6.0                     5.6                        2.2            

-    0.3                    -    1.3                    +    3.2        

———                ———                ———                            

                                                            

三、解决问题。                                                            

三年级同学种树68棵,四、五年级种的棵树比三年级种的5倍多18棵,三个年级共种树多少棵?                                                            

                                                            

一、直接写出得数。                                                            

21×4=                70×30=                670+20=                            

24÷2=                120×5=                250+200=                            

60-8=                90-67=                60÷1=                            

18-7=                12+19=                20÷2=                            

二、竖式计算。                                                            

40    ×    38    =            87    ×    83    =            500    ÷    4    =

    40                        87                                

×    38                    ×    83                             ———    

———                ———                        4)    500                

                                                            

87    ×    92    =            16    ×    87    =            720    ÷    9    =

    87                        16                                

×    92                    ×    87                             ———    

———                ———                        9)    720                

                                                            

2    +    0.5    =            8.8    -    2.1    =            2.4    +    2.7    =

    2.0                     8.8                        2.4            

+    0.5                    -    2.1                    +    2.7        

———                ———                ———                            

                                                            

三、解决问题。                                                            

少先队员割草。第一小队割草38千克,第二小队割草55千克,第三小队比第一、二小队割草总数少33千克,第三小队割草多少千克?                                                            

                                                            

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2018人教版小学三年级数学下册暑假作业

一、直接写出得数。22×3=40×90=170+70=36÷3=180×3=340+200=20+3=95-63=350÷7=81+9=42+33=160÷4=二、竖式计算。22×11=86×47=732÷6=2286×11×47—————————6)73290×67=14×23=402÷6=9014×67×23—————————6)4025-0.8=7.2-3.5=1.4+3.2=5.07.21.4-0.8-3.5+3.2—————————三、解决问题。王老师带了9000元钱,买一台电脑用去
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