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小升初数学综合模拟试卷(一)

  • 2026-11-10 17:33:12
小升初数学综合模拟试卷(一)

小升初数学模拟试卷

考试时间:90 分钟 满分:100 分

一、选择题(每题 2 分,共 16 分)

1.下面各数中,既是 18 的因数又是 24 的因数的是()

A. 6 B. 9        C. 12        D. 18

2.关于负数的说法正确的是()

A. 所有负数都比正数大 B. -3℃比 - 5℃更冷    C. 数轴上右边的负数比左边大    D. 0 是最小的负数

3.把一个棱长为 6cm 的正方体削成最大圆柱,圆柱的体积是()cm³

A. 113.04 B. 169.56    C. 339.12    D. 678.24

4.一件商品先提价 20%,再打八折出售,现价与原价相比()

A. 不变 B. 降低 20%    C. 降低 4%    D. 提高 4%

5.已知 a×3/4 = b÷3/4(a、b 均不为 0),则 a 与 b 的关系是()

A. a>b B. a<b    C. a=b    D. 无法确定

6.等底等高的圆柱和圆锥体积之和是 48dm³,圆锥的体积是()dm³

A. 12 B. 16    C. 24    D. 36

7.小明从家出发,先向西走 200 米,再向南走 150 米到学校,学校在小明家的()方向

A. 西南 B. 西北    C. 东南    D. 东北

8.把红、黄、蓝三种颜色的球各 5 个放入一个盒子里,至少摸出()个球才能保证有 2 个同色

A. 3 B. 4    C. 5    D. 6

二、填空题(每题 2 分,共 20 分)

1.一个数由 3 个亿、5 个千万、8 个万和 6 个千组成,这个数写作(),改写成用“万” 作单位的数是()万。

2.()÷20 = 3/5 = ()% = ()折 = ()(小数)

3.在 - 4、0、+2.8、-1/3、+105、-1.2 中,正数有(),负数有(),()既不是正数也不是负数。

4.0.75 的计数单位是(),它有()个这样的计数单位,再添上()个这样的单位就是 1。

5.一个三角形三个内角的度数比是 1:2:3,这个三角形是()三角形,最小内角是()度。

6.一个圆柱的底面半径是 2cm,高是 5cm,它的侧面积是()cm²,表面积是()cm²。

7.一幅地图的比例尺是 1:5000000,图上 1cm 代表实际距离()km。

8.把 3 米长的绳子平均分成 5 段,每段占全长的(),每段长()米。

9.存入银行 5000 元,年利率为 2.75%,存 3 年到期时的利息是()元(不计利息税)。

10.盒子里有黑白棋子各 8 枚,至少摸出()枚棋子才能保证有 1 双同色棋子。

三、计算题(共 24 分)

1.口算(每题 1 分,共 8 分)

3.14×5 = 1÷2/3 =          0.75+1/4 =          3/4×8/9 =

5/6 - 1/2 = 4.8÷0.08 =       1.25×0.8 =         20%×50 =

2.脱式计算(能简算的要简算)(每题 4 分,共 8 分)

(1)2.5×32×12.5 (2)5/6×(3/4 + 2/3)÷7/8

3.解方程(每题 4 分,共 8 分)

(1)3x - 1.2×5 = 9 (2)2/3x + 1/2x = 14

四、操作题(共 10 分)

1.(6 分)

(1)画出图形 A 绕点 O 顺时针旋转 90° 后的图形 B。

(2)画出图形 B 按 2:1 放大后的图形 C。

2.(4 分)在数轴上表示下列各数:-3、1.5、-1.5、2、0,并用 “<” 连接起来。

五、应用题(每题 5 分,共 30 分)

1.某农场去年粮食产量是 800 吨,今年比去年增产三成,今年粮食产量是多少吨?

2.一个圆柱形蓄水池,底面直径是 10 米,高是 4 米,这个蓄水池最多能蓄水多少立方米?

3.小明看一本故事书,第一天看了全书的 1/4,第二天看了全书的 30%,两天一共看了 52 页,这本书共有多少页?

4.甲、乙两车同时从 A、B 两地相对开出,经过 3 小时相遇,甲车每小时行 60 千米,乙车每小时行 50 千米,A、B 两地相距多少千米?

5.用一根长 48 厘米的铁丝围成一个长方体框架,长、宽、高的比是 3:2:1,这个长方体的体积是多少立方厘米?

6.一个底面半径是 6 厘米的圆锥形容器里装有一部分水,水中浸没着一个高 9 厘米的圆锥形铅锤。当铅锤从水中取出后,水面下降了 0.5 厘米。这个铅锤的底面积是多少平方厘米?

参考答案

一、选择题

1.A 2.C  3.B  4.C  5.A  6.A  7.A  8.B

二、填空题

1.350086000;35008.6  2. 12;60;六;0.6  3. +2.8、+105;-4、-1/3、-1.2;0

2.0.01;75;25  5. 直角;30  6. 62.8;87.92  7. 50  8. 1/5;3/5

3.412.5  10. 3

三、计算题

1.口算:15.7;3/2;1;2/3;1/3;60;1;10

2.脱式计算:

(1)2.5×32×12.5 = 2.5×4×8×12.5 = 10×100 = 1000

(2)5/6×(3/4 + 2/3)÷7/8 = 5/6×17/12×8/7 = 85/63

3.解方程:

(1)3x - 6 = 9 → 3x = 15 → x = 5

(2)7/6x = 14 → x = 12

四、操作题(略,按题目要求作图即可)

1.数轴表示:-3 < -1.5 < 0 < 1.5 < 2

五、应用题

1.800×(1+30%)= 1040(吨) 答:今年粮食产量是 1040 吨。

2.3.14×(10÷2)²×4 = 314(立方米) 答:最多能蓄水 314 立方米。

3.52÷(1/4 + 30%)= 80(页) 答:这本书共有 80 页。

4.(60+50)×3 = 330(千米) 答:A、B 两地相距 330 千米。

5.48÷4=12(厘米) 长:6cm 宽:4cm 高:2cm 体积:6×4×2=48(cm³) 答:体积是 48cm³。

6.3.14×6²×0.5×3÷9 = 18.84(平方厘米) 答:铅锤的底面积是 18.84 平方厘米。

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  1. CONNECT:[ UseTime:0.000517s ] mysql:host=172.18.0.4;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000613s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000314s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000372s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000525s ]
  6. SELECT * FROM `set` [ RunTime:0.000329s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000633s ]
  8. SELECT * FROM `article` WHERE `id` = 488752 LIMIT 1 [ RunTime:0.000443s ]
  9. UPDATE `article` SET `lasttime` = 1794391956 WHERE `id` = 488752 [ RunTime:0.007035s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000400s ]
  11. SELECT * FROM `article` WHERE `id` < 488752 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000526s ]
  12. SELECT * FROM `article` WHERE `id` > 488752 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000481s ]
  13. SELECT * FROM `article` WHERE `id` < 488752 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000638s ]
  14. SELECT * FROM `article` WHERE `id` < 488752 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000681s ]
  15. SELECT * FROM `article` WHERE `id` < 488752 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000791s ]
0.106201s