上海市竹园中学(五四制)2023-2024学年六年级上学期期中数学试题(图片版,含答案)

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上海市竹园中学(五四制)2023-2024学年六年级上学期期中数学试题(图片版,含答案)

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六年级数学参考答案及评分标准
一、选择题(本大题共 6 题,每题 2 分,满分 12 分)
1.A 2.C 3.D 4.C 5.B 6.B
二、填空题(本大题共 12 题,每题 3 分,满分 36 分)
10 13 1
7.4; 8. ; 9.8; 10. ; 11.0.2; 12. ;
3 15 15
3 2
13. ; 14.<; 15.90; 16.14; 17. ; 18.500.
28 27
三、解答题(本大题共 9 小题,第 19 至 25 题每题 5 分,第 26 题 8 分,第 27 题每题 9 分,共 52 分)
2 1 1
19.解:原式=3 2 ............................................................................................................ (1 分)
3 6 3
2 1 1
= 3 2 ....................................................................................................... (1 分)
3 3 6
1
= 4 2 ...................................................................................................................... (1 分)
6
5
=6 ............................................................................................................................ (2 分)
6
5 6 3
20.解:原式= ................................................................................................................ (3 分)
3 5 10
3
= ............................................................................................................................... (2 分)
5
1 2 4
21.解:原式=5 2 .......................................................................................................... (1 分)
5 3 15
3 10 4
=5 2 ...................................................................................................... (1 分)
15 15 15
18 10 4
= 4 2 ...................................................................................................... (1 分)
15 15 15
12
= 2 .......................................................................................................................... (1 分)
15
4
= 2 ............................................................................................................................ (1 分)
5
1 11 16
22.解: x .................................................................................................................... (1 分)
3 4 11
1
x 4 .............................................................................................................................. (1 分)
3
1
x 4 ....................................................................................................................... (1 分)
3
2
x 3 ........................................................................................................................... (2 分)
3
六年级数学参考答案及评分标准 第 1 页 共 2 页
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23.解:如图,用短除法把 54 和 144 分解素因数为:
短除正确 ................................................................................................. (3 分)
∴最大公因数=2×3×3=18, .......................................................................................... (1 分)
最小公倍数=2×3×3×3×8=432. ................................................................................ (1 分)
6 4 5 1
24.解: ............................................................................................................. (2 分)
5 5 6 2
2 8
................................................................................................................................. (1 分)
5 6
2 6
................................................................................................................................. (1 分)
5 8
3
...................................................................................................................................... (1 分)
10
1 5
25.解:10 (米) ................................................................................................................ (1 分)
4 2
5 1 5
10 (米) ..................................................................................................... (2 分)
2 3 2
5 5
10 5(米) ......................................................................................................... (2 分)
2 2
答:还剩下 5 米.
26.解:(1)因为 4=2×2,6=2×3(或短除正确) ................................................................... (2 分)
4 和 6 的最小公倍数是 2×2×3=12 .......................................................................... (2 分)
答:甲乙两楼下一次同时亮出“庆祝国庆”字样和国旗图案是 18 点 12 分 ........ (1 分)
(2)因为 22 时-18 时=4 时=240 分 ............................................................................... (1 分)
所以 240÷12+1=21(次). ..................................................................................... (2 分)
答:故甲乙两大楼同时亮出“庆祝国庆”字样和国旗图案的次数有 21 次.
27.解:(1)从下而下依次为:188,42,89,38,107 ............................................ (5 分,每空 1 分)
13
(2)52 188 ..................................................................................................... (1 分+1 分)
47
13
答:日本代表团获得的金牌数占日本代表团获得的奖牌总数的 .
47
1
(3)28 481 201 ....................................................................................... (1 分+1 分)
10
1
答:印度代表团所获的金牌数占除中国代表团外其他 44 个代表团所获金牌总数的 .
10
六年级数学参考答案及评分标准 第 2 页 共 2 页
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