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【320807】RJ五年级第二学期期末检测卷(附答案2

时间:2025-01-08 18:46:41 作者: 字数:6682字
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2022-2023学年人教版小学数学 五下期末试卷

(完卷时间:90分钟 满分:100)

题序

第一题

第二题

第三题

第四题

第五题

总分

得分








一、填一填。(20)

1.1218的最大公因数是(  );69的最小公倍数是(  )

2.2 m长的绳子平均分成5,每段长(  )m,每段长是全长的(  )

3.能同时被235整除的最大三位数是(  )

4.20的所有因数中,最大的一个是(  );15的所有倍数中,最小的一个是(  )

5.用一根84 cm长的铁丝恰好可以焊成一个长方体框架。框架长6 cm,4 cm,(  )cm

6.分数单位是 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> 的最大真分数是(  ),它再添上(  )个这样的分数单位就是最小的奇数。

7.一个最简分数的分子是最小的质数,分母是合数,这个分数最大是(  ),如果再加上(  )个这样的分数单位,就得到1

8.两个数的最大公因数是8,最小公倍数是48,其中一个数是16,另一个数是(  )

9.如果正方体的棱长扩大到原来的3,它的表面积就扩大到原来的(  ),它的体积就扩大到原来的(  )倍。

10.一根2.5 m长的方钢,把它横截成2段时,表面积增加60 cm2,原来方钢的体积是(  )

11.写出分母是6的所有最简真分数(      );写出三个等于1的假分数(  )(  )(  )

二、判断。(对的画√,错的画×)(10)

1.如果一个正方体的棱长扩大到原来的4,它的体积就扩大到原来的64倍。 (  )

2.把两个相同的正方体拼成一个长方体,表面积和体积都没有变。   (  )

3.假分数都比1小。         (  )

4.一个棱长是6 dm的正方体,它的表面积和体积相等。         (  )

5.ɑ3表示3ɑ相乘。                        (  )

6.按因数的个数分,自然数可分为质数和合数两类。           (  )

7.两个不同的质数一定是互质数。                   (  )

8.1既不是质数,也不是合数。                   (  )

9.3 m <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> 1 m <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> 同样长。                  (  )

10.因为33,36,39,63,66,69,93,156这些数都能被3整除,所以个位上是3,6,9的数一定能被3整除。                               (  )

三、选一选。(把正确答案的序号填在括号里)(10)                    

1.把一个棱长是4 cm的正方体锯成棱长是1 cm的小正方体,可锯成(  )个。

A.4  B.8  C.64

2.把一张长24 cm、宽18 cm的长方形纸分成大小相等的小正方形,且没有剩余。最少可以分成(  )

A.12个  B.15个  C.9

3.两个数的最大公因数是4,最小公倍数是24,这两个数不可能是(  )

A.424   B.812   C.824

4.(3)班有28名男生和25名女生,男生人数占全班人数的(  )

A. <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> B. <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a>   C. <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a>

5.一罐可乐的容量是(  )

A.350升  B.3.5毫升  C.350毫升

6.两个质数相乘的积一定是(  )

A.质数   B.奇数  C.合数

7.如果长方体的长、宽、高分别扩大到原来的3,它的体积就扩大到原来的(  )倍。

A.3   B.9   C.27

8.a等于(  ),17a是质数。

A.1     B.17     C.3

9.一个合数的因数有(  )

A.无数个  B.2个  C.3个或3个以上

10.一个两位数,个位上的数字既是偶数又是质数,十位上的数字既不是质数也不是合数,则这个两位数是(  )

A.32    B.16   C.12

四、按要求完成下面各题。(36)

1.求出下面各组数的最大公因数和最小公倍数。(12)

(1)109       (2)1442      (3)2639




2.计算。(能简算的要简算)(12)                                   

2-  <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> -  <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a>     <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> -  <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> -  <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a>    <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> - ( <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> -  <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> )



 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> -( <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> + <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> )   6.25- <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> +2.25- <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a>      <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> -( <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> + <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> )


3.解方程。(12)

(1)x-  <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> =38.9   (2)x+ <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> =20 (3) <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> -  <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> +x=31      (4) <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> -x= <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a>



五、解决问题。(24)

1.修一条路,第一天修了全长的 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> ,第二天修了全长的 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> ,第三天要把剩下的全部修完。第三天要修全长的几分之几?(6)



2.甲、乙、丙三人到图书馆去借书,甲每6天去一次,乙每8天去一次,丙每12天去一次。如果41日他们三人在图书馆相遇,那么下一次都到图书馆借书是几月几日?(6)



3.有一个长30 m、宽25 m、深2 m的水池,水面距池口0.5 m,池内共有多少吨水?(每立方米的水重1t)(6)



4.家具厂购进400根方木,每根方木横截面的面积是0.24 m2,长是4 m。这些方木的体积是多少立方米?(6)




参考答案

一、1.6 18 2. <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a>   <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> 3.990 4.20 15 5.11 6. <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a>  1 7. <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a>  7 8.24 9.9 27

10.0.0075 m3(7.5 dm37500 cm3) 11. <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a>  <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a>  (答案不唯一) <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a>   <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a>   <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a>

二、1.√ 2.✕ 3.✕ 4.✕ 5.√ 6.✕ 7.√ 8.√ 9.√ 10.

三、1.C 2.A 3.C 4.C 5.C 6.C 7.C 8.A 9.C 10.C

四、1.(1)109的最大公因数是1,最小公倍数是90

(2)1442的最大公因数是14,最小公倍数是42

(3)2639的最大公因数是13,最小公倍数是78

2.2- <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> - <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> =2- <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> =2-1=1
 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> - <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> - <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> = <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> - <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> - <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> = <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> = <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a>

  <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> - <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> = <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> - <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> + <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> = <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> + <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> - <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> =1- <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> = <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a>     

 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> - <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> = <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> - <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> = <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> - <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> = <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a>

 6.25- <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> +2.25- <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> =6.25+2.25- <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> - <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> =9- <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> =9-1=8
 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> - <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> = <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> - <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> - <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> = <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> - <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> - <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> =1- <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> = <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a>

3.(1)    x- <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> =38.9

:x-0.4+0.4=38.9+0.4

x=39.3

(2)   x+ <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> =20

:x+ <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> - <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> =20- <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a>

x=19 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a>

(3)     <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> - <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> +x=31

: <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> - <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> +x- <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> + <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> =31- <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> + <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a>

x=30 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a>


(4)     <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> -x= <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a>

: <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> -x+x= <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> +x

 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> +x- <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> = <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> - <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a>

x= <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a>

五、1.1- <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> - <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a> = <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a>

:第三天要修全长的 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/208/" title="学期" class="c1" target="_blank">学期</a>

2.6812的最小公倍数是24 41+24=425

:下一次都到图书馆借书是425日。

3.30×25×(2-0.5)=1125(m3)  1125×1=1125(t)

:池内共有1125 t水。

4.0.24×4×400=384(m3)

:这些方木的体积是384 m3


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