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人教版六年级下册数学期末试题附答案

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人教版六年级下册数学期末试题附答案

人教版六年级(下册)数学期末试题及答案一、填空(每小题2分,共30分)1.2/5立方米=()立方分米=()升1小时45分=()小时1.2平方米=()平方分米2000毫升=()升2.比5米多20%是()米12吨比()吨少1/53.有三根绳子,第一根用去全长的,第二根用去全长的,第三根用去全长的,三根绳子剩下的长度相等,原来第()根绳子最长。4.甲乙两数为非0自然数,甲的3/5等于乙数的40%,那么()大,甲乙两数的比是()。5.在比例中,两个外项积是2,其中一个内项是1/7,则另一个内项是()。
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导读人教版六年级(下册)数学期末试题及答案一、填空(每小题2分,共30分)1.2/5立方米=()立方分米=()升1小时45分=()小时1.2平方米=()平方分米2000毫升=()升2.比5米多20%是()米12吨比()吨少1/53.有三根绳子,第一根用去全长的,第二根用去全长的,第三根用去全长的,三根绳子剩下的长度相等,原来第()根绳子最长。4.甲乙两数为非0自然数,甲的3/5等于乙数的40%,那么()大,甲乙两数的比是()。5.在比例中,两个外项积是2,其中一个内项是1/7,则另一个内项是()。
人教版六年级(下册)数学期末试题及答案

 

一、填空(每小题2分,共30分)

1. 2 /5立方米=(    )立方分米=(    )升  1小时45分=(    )小时

  1.2平方米=(    )平方分米             2000毫升=(    )升

2.比5米多20%是(    )米                12吨比(    )吨少1/5

3.有三根绳子,第一根用去全长的,第二根用去全长的,第三根用去全长的,三根绳子剩下的长度相等,原来第(    )根绳子最长。

4.甲乙两数为非0自然数,甲的3/5等于乙数的40%,那么(    )大,甲乙两数的比是(    )。

5.在比例中,两个外项积是2,其中一个内项是1/7,则另一个内项是(     ) 。

6.一根圆柱木料,底面半径是0.3米,长2米,将它截成4个圆柱,表面积比原木料增加(    )平方米。

7.一个三角形三个角的度数比是1:2:3,它的最大角是(    ),它是(   )三角形。

8.一根钢管长5/7米,爸爸把这根钢管锯了4次,锯下的每段同样长,每段长是原来这根钢管的(    ),每段长(     )米。 

9.某公园门口有一圆形花坛,这个花坛的周长是18.84米,占地面积是(    )平方米。 

10.在比例尺是1:10000000的地图上,;量出两地间的距离是1.5厘米,两地的实际距离是(     ) 

11.王叔叔加工一个零件的时间由原来的8分钟减少到5分钟,他的工作效率提高了(      )%。

12.把一个圆柱削成一个最大的圆锥,已削去的体积是30立方厘米,那么圆锥的体积是(     )立方厘米 

13.有三个自然数,甲数与乙数的比是3︰5,乙数与丙数的比是4︰7,三个数的和是201.则甲数是(      )。

14. 1÷(   )=0.125=(   ):16=(  )/24=(   )%

15.六五班有男生42人,比女生的80%多6人,六五班有(    )人

二、判断(每小题1分,共10分)

1.生产105个零件全部合格,合格率为100% (    )

2. 圆柱的侧面展开一定是长方形。(    )

3.棱长是6厘米的立方体,它的表面积和体积相等。(    )

4.圆的半径与面积成正比例。(   )

5.一件产品的售价是100元,先提价10%后,再降价10%,这时售价不变。(    )

6.面积相等的两个三角形一定能拼成平行四边形。(    )

7.水结成冰后体积增加,那么冰化成水后,体积减少。(    )

8一袋大米的总质量不变,吃去的千克数与剩下的千克数成反比例。(    )

9.A=7B,A和B成正比例(    ) 

10.一个长方形,长为b,宽为a,若以a为轴旋转一周,会出现一个圆柱体,a是它的高,b是它的直径。(    )

三、选择(将正确答案的序号填在括号内,每题1分,共8分)

1.a和b互质,它们的最小公倍数是它们最大公因数的(  )倍。

A.ab           B.a           C.b          

2.一个底是5厘米,高是3厘米的三角形,按4:1放大,得到的图形面积是(  )平方厘米。

A.15            B.60          C.120

3.如果a×b=0,那么(  )

A.a=0           B.b=0         C.a、b都为0或a、b中一定有一个为0

4.小明做20道数学题,已做的题数和没做的题数(  )

A.成正比例      B.成反比例    C.不成比例

5  3:8的后项加上24,要使比值不变,后项(  )

A.加上24       B.加上9       C.乘3

6.一件商品现价9元,比原价降低了1元,降低了(  )

A.10%          B.1/9          C.9%

7.圆柱与圆锥的底面积相等,圆柱的高是圆锥的1/6,则圆锥的体积是圆柱体积的(  )

A.1/3           B.3倍         C.2倍

8.一根木头锯成4段需要12分钟,如果要锯成6段,需要(  )分钟

A.18           B.20           C.24

四、计算(共21分)

1.直接写得数(5分)

3/4÷1/4=           7.2÷0.4=                    

1/9-1/9×1/9=        6×1/6÷6×1/6=

32×0.125=          (1/8+1/4) ×4=

2/5×1.5=           56÷1.6=

1-0.92=             4-5/8-3/8=

2.简便计算(每小题2分,共8分)

(4/7-3/14)÷1/28                      0.5×2.5×12.5×

×3.75+3.75×36                     12.5×(13﹣1.97﹣3.03)

3.求未知数X(每题2分,共8分)

3.2x-4×3=52                   X∶1.2=3∶4

3X+6.25=8.25                   4.8∶X=1/5∶3

四、解决问题(1题3分,2至8题每题4分,共31分)

1.毛毛参加一次数学竞赛,答对1题得4分,答错1题扣1分,不答不得分也不扣分。他答了20道题目,得了60分。毛毛答对了几道题?

2.有甲乙两袋大米,甲袋重90千克,从甲袋中取出30千克后,这时,两袋大米的重量比是3∶4 ,乙袋大米重多少千克?

3. 王老师为学校买了篮球和足球共6个,共用去232元,已知每个篮球42元,每个足球32元,篮球和足球各买多少个?

4.汇文书店优惠出售一批图书,第一天卖出了这批图书的40%,第二天又卖了600本,这时已经卖出了这批图书的11/15,这批图书共有多少本? 

5. 某品牌服装搞促销活动,在A商场按“满200元减80元”的方式销售,在B商场打六折销售。妈妈准备买一套标价1500元的这种服装,在A、B两个商场买各应付多少元?

6.一个圆柱形水池,直径10米,高2米

(1)如果将内侧面及水池地面抹水泥,求抹水泥部分的面积是多少?

(2)如果将水池注满水,这个水池最多容水多少立方米?

7.一辆汽车从甲地开往乙地,前2小时行驶了100千米,照这样的速度,再行驶6小时到达乙地,甲乙两地相距多远?(用比例解)

8.压路机滚筒横截面的周长是3.14米,长2米,如果每分钟转60周,压路机每分钟的压路面积是多大?

试题参

一、填空(每题2分,共30分)

1.  400 400 1.75   

2.  6   15  

3.  第三根   

4.  乙  2:3  

5.  14  

6.  1.6956    

7.  90°直角  

8.  1/5  1/7  

9.  28.26   

10. 150KM  

11. 60

12. 15  

13. 36   

14. 8  2  3  12.5

15. 87

二、判断题(每小题1分,共计10分)

1. √  2. ×  3. ×  4. ×  5. ×  6. ×  7. √  8. ×  9. √  10. ×  

三、选择题(每题1分,共计8分)

1.A   2.C  3.C  4.C  5.B  6.A  7.C  8.B

四、计算(共21分)

  1.直接写得数(5分)

 3    18       8/81    1/36      4    3/2     3/5    35    0.08     3

  2.简便计算(每题2分,共8分)

(4/7-3/14)÷1/28         0.5×2.5×12.5×

                                                                                                                       =(4/7-3/14)×28          =(0.5×2) ×(2.5×4) ×(12.5×8)

                                                                                                                             = ( 4/7)×28-(3/14) ×28   =1×10××100

                                                                                                                             =16-6                      =1000

                                                                                                                             =10     

×3.75+3.75×36         12.5×(13-1.97-3.03)

                                                                                                                            =3.75×(74+36)            =12.5×[13-(1.97+3.03)]              

                                                                                                                            =3.75×100                =12.5×(13-5)

                                                                                                                              =375                      =12.5×8                       

                                                                                                                                                    =100                                                                                                                          

                                                                                                                                                                 

3.求未知数X(每题2分,共8分)

                                                                                              3.2X-4×3=52               X:1.2=3:4

                                                                                         解: 3.2X-12=52           解: 4X=1.2×3             

3.2X=                  4X=3.6

                                                                                                                           X=20                     X=0.9

                                                                                                                                                                                                                             

                                                                                                                          3X+6.25=8.25            4.8:X=1/5:3

                                                                                                                       解: 3X=2                解: 1/5X=4.8×3

                                                                                                                          X=2/3                   1/5X=14.4

                                                                                                                                                 X=72

五.解决问题(第1题3分,2至8题每题4分)

1.解:毛毛答对了X道题        2.(90-30)÷3×4  

4X-(20-X)=60                    =60÷3×4

4X-20+X=60                      =80(千克)

5X=80

X=16 

3.解:设篮球买了X个,足球买了(6-X)个

                                                                                                 42X+32(6-X)=232

                                                                                                   42X+192-32X=232

                                                                                                   16X=40

X=4

6-4=2(个)

                                                                                                   4.600/(11/15-40%)

                                                                                                   =600/(11/15-2/5)

                                                                                             

=600÷1/3                                

                                                                                            

=600×3

                                                                                                                                            

=1800(本)

                                                                                                                                            

5.A商场:1500-7×80=1500-560=940元        

                                                                                                                                                

B商场:1500×60%=900元                        

                                                                                                                                             

6.(1) 3.14×10×2+3.14×(10÷2)²                                                                                                                                                    =62.8+78.5                                                                                                                                                                                    =141.3m²     

                                                                                                                                              

(2) 3.14×(10÷2)2×2                                                                                                                                                                        =3.14×25×2                                                                                                                                                                                =157 m³                                                                                                                                                                        

7.解:设甲乙两地相距X千米                                                                                                                                                              100:2=X(6+2)                                                                                                                                                                                50=X:8                                                                                                                                                                                        X=50×8                                                                                                                                                                                        X=400                                                                                                                                                                                           8. 3.14×2×60=376.    8 m²

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人教版六年级下册数学期末试题附答案

人教版六年级(下册)数学期末试题及答案一、填空(每小题2分,共30分)1.2/5立方米=()立方分米=()升1小时45分=()小时1.2平方米=()平方分米2000毫升=()升2.比5米多20%是()米12吨比()吨少1/53.有三根绳子,第一根用去全长的,第二根用去全长的,第三根用去全长的,三根绳子剩下的长度相等,原来第()根绳子最长。4.甲乙两数为非0自然数,甲的3/5等于乙数的40%,那么()大,甲乙两数的比是()。5.在比例中,两个外项积是2,其中一个内项是1/7,则另一个内项是()。
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