贵州省黔东南州2024年小学升学文化水平统一检测六年级数学试卷及答案(pdf版,含答案)

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贵州省黔东南州2024年小学升学文化水平统一检测六年级数学试卷及答案(pdf版,含答案)

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黔东南州2024年小学升学文化水平统一检测
六年级数学参考答案
填空。(23分)
2049000 204.9 205
21 20 12
16
6 9
4:9 16:81
301.44
7.536
4
7 3
八 20
2800 4.08 6.5 0.035
3n+1
判断正误。(5分)
1. × 2. √ 3. × 4. × 5. √
选一选,将正确的答案填在括号里。(5分)
1. D 2. D 3. B 4. C 5. A 6. C
四、计算。(34分)
1.直接写得数(10分)
2632 2.7 14/15 5/84 1.35 100 17/30 6.1 11.99 10
能简算的要简算。(18分)
12.38+5.76—2.38+4.24
=(12.38—2.38)+(5.76+4.24).................................................................................................(2分)
=10+10
=20...................................................................................................................................................(3分)
×3.5+5.5×0.8+80%
=0.8×3.5+5.5×0.8+0.8×1
=0.8×(3.5+5.5+1)......................................................................................................................(2分)
=0.8×10
=8...................................................................................................................................................(3分)
36×(—+)
=36×—36×+36×.............................................................................................................(2分)
=30—16+3
=17................................................................................................................................................(3分)
(9.88+0.24÷2)×7.6
=(9.88+0.12)×7.6 ..........................................................................................................................(1分)
=10×7.6 ........................................................................................................................................(2分)
=76................................................................................................................................................(3分)
36÷[1-(-)]
= 36÷[1-] ......................... ........... ........... ........... ........... ........... .......................................(2分)
=36÷
=48................................................................................................................................................(3分)
=( + —(2.375+ ).............................................................................................(2分)
=17—6
=11...............................................................................................................................................(3分)
3.求未知数x(6分)
3
五、画一画(共4分,每图2分)
(答案不唯一)
六、图形与面积、体积 (共8分,每题4分)
(1)求下面组合图形的体积
×3.14×(6÷2)2 =9.42cm2.....................................................................................(2分)
9.42×(3.5+5.5)=84.78cm3.......................................................................................(4分)
(2)在下图中长方形面积与圆面积相等,已知圆的半径是2cm,求阴影部分面积。
2×2×3.14=12.56cm2.................................................................................................(2分)
12.56—12.56÷4=9.42cm2........................................................................................(4分)
七、走进生活,解决问题(21分,1-4每题4分,第5题5分)
1.
420÷40%-420=630(米)..............................................................................................(2分)
630÷(3+4)×3=270(米)........................................................................................(3.5分)
答:第二天修了270米。.................................................................................................(4分)
2.
12÷=48000000(厘米)................................................................................................(1分)
48000000厘米=480千米...........................................................................................................(1.5分)
480÷120=4(小时)..................................................................................................................(2.5分)
13:30+4小时=17:30...........................................................................................................(3.5分)
答:17:30到达B地。...............................................................................................................(4分)
3.
解:设相当于保护了x棵树。
5∶85=2∶x..............................................................................................................................(2.5分)
x=34..................................................................................................................................(3.5分)
答:相当于保护了34棵树。....................................................................................................(4分)
4.
÷2-=........................................................................................................................(2.5分)
1÷=15(天)....................................................................................................................(3.5分)
答:如果乙单独完成这项工程,需要15天。.......................................................................(4分)
5.
3.14×42×(12-10)=100.48(立方厘米).......................................................................(1.5分)
3.14×(8÷2)2=50.24(平方厘米)...................................................................................(2.5分)
100.48×3÷50.24=6(厘米)................................................................................................(3.5分)
答:这个铅锤的高是6厘米。...............................................................................................(4分)
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