六年级数学上册1单元《分数乘法》（原创题单20241212）

人教版小学数学六年级数学上册1单元《分数乘法》测试题

一、填空题（每题2分，共20分）

1. [3/4] × [2/5] = ______
2. [5/6] × [3/8] = ______
3. [7/9] × [4/7] = ______
4. [2/3] × [5/12] = ______
5. [1/2] × [7/10] = ______
6. [3/5] × [5/9] = ______
7. [4/7] × [7/8] = ______
8. [5/8] × [2/3] = ______
9. [6/11] × [11/12] = ______
10. [7/12] × [3/5] = ______

二、选择题（每题2分，共20分）

1. 下列哪个选项是 [3/4] × [2/3] 的结果？
2. A. [1/2]
3. B. [1/3]
4. C. [1/4]

5. D. [1/6]

6. [5/8] × [4/5] 等于：
7. A. [1/2]
8. B. [1/3]
9. C. [1/4]

10. D. [1/5]

11. [7/9] × [3/7] 的结果是：
12. A. [1/3]
13. B. [1/4]
14. C. [1/5]

15. D. [1/6]

16. [2/5] × [5/6] 等于：
17. A. [1/3]
18. B. [1/4]
19. C. [1/5]

20. D. [1/6]

21. [3/7] × [7/8] 的结果是：
22. A. [3/8]
23. B. [3/9]
24. C. [3/10]

25. D. [3/11]

26. [4/9] × [9/10] 等于：
27. A. [2/5]
28. B. [2/6]
29. C. [2/7]

30. D. [2/8]

31. [5/12] × [12/13] 的结果是：
32. A. [5/13]
33. B. [5/14]
34. C. [5/15]

35. D. [5/16]

36. [6/11] × [11/12] 等于：
37. A. [1/2]
38. B. [1/3]
39. C. [1/4]

40. D. [1/5]

41. [7/15] × [15/16] 的结果是：
42. A. [7/16]
43. B. [7/17]
44. C. [7/18]

45. D. [7/19]

46. [8/13] × [13/14] 等于：
    • A. [4/7]
    • B. [4/8]
    • C. [4/9]
    • D. [4/10]

三、计算题（每题5分，共30分）

1. 计算 [3/4] × [2/5] × [5/6]
2. 计算 [5/6] × [3/8] × [4/7]
3. 计算 [7/9] × [4/7] × [3/5]
4. 计算 [2/3] × [5/12] × [6/7]
5. 计算 [1/2] × [7/10] × [5/8]
6. 计算 [3/5] × [5/9] × [9/10]

四、应用题（每题10分，共30分）

1. 小明有 [3/4] 升果汁，他倒了 [2/5] 给小红，问小明还剩多少升果汁？
2. 一个长方形的长是 [5/6] 米，宽是 [3/8] 米，求这个长方形的面积。
3. 一辆汽车行驶了 [7/9] 公里，然后又行驶了 [4/7] 公里，求这辆汽车一共行驶了多少公里？

答案

一、填空题

1. [3/4] × [2/5] = [6/20] = [3/10]
2. [5/6] × [3/8] = [15/48] = [5/16]
3. [7/9] × [4/7] = [28/63] = [4/9]
4. [2/3] × [5/12] = [10/36] = [5/18]
5. [1/2] × [7/10] = [7/20]
6. [3/5] × [5/9] = [15/45] = [1/3]
7. [4/7] × [7/8] = [28/56] = [1/2]
8. [5/8] × [2/3] = [10/24] = [5/12]
9. [6/11] × [11/12] = [66/132] = [1/2]
10. [7/12] × [3/5] = [21/60] = [7/20]

二、选择题

1. A. [1/2]
2. A. [1/2]
3. A. [1/3]
4. A. [1/3]
5. A. [3/8]
6. A. [2/5]
7. A. [5/13]
8. A. [1/2]
9. A. [7/16]
10. A. [4/7]

三、计算题

1. [3/4] × [2/5] × [5/6] = [30/120] = [1/4]
2. [5/6] × [3/8] × [4/7] = [60/336] = [5/28]
3. [7/9] × [4/7] × [3/5] = [84/315] = [4/15]
4. [2/3] × [5/12] × [6/7] = [60/252] = [5/21]
5. [1/2] × [7/10] × [5/8] = [35/160] = [7/32]
6. [3/5] × [5/9] × [9/10] = [135/450] = [3/10]

四、应用题

1. 小明还剩的果汁量为 [3/4] – [3/4] × [2/5] = [3/4] – [6/20] = [3/4] – [3/10] = [15/20] – [6/20] = [9/20] 升。
2. 长方形的面积为 [5/6] × [3/8] = [15/48] = [5/16] 平方米。
3. 汽车一共行驶的距离为 [7/9] + [4/7] = [49/63] + [36/63] = [85/63] 公里。