六年级数学上册3单元《分数除法》(原创题单20241212)

人教版小学数学六年级上册 第三单元《分数除法》测试题

一、填空题(每题2分,共20分)

  1. [3/4] ÷ [1/8] = ____
  2. [5/6] ÷ [2/3] = ____
  3. [7/9] ÷ [1/3] = ____
  4. [2/5] ÷ [4/15] = ____
  5. [8/15] ÷ [2/5] = ____
  6. [9/10] ÷ [3/5] = ____
  7. [11/12] ÷ [1/4] = ____
  8. [1/2] ÷ [3/8] = ____
  9. [5/8] ÷ [1/4] = ____
  10. [3/7] ÷ [2/7] = ____

二、选择题(每题2分,共20分)

  1. 下列哪个选项是 [3/4] ÷ [1/2] 的结果?
  2. A. [3/8]
  3. B. [3/2]
  4. C. [1/2]
  5. D. [1/4]

  6. 计算 [5/6] ÷ [5/12] 的结果是:

  7. A. [10/6]
  8. B. [2/3]
  9. C. [2]
  10. D. [1/2]

  11. [7/8] ÷ [1/4] 的结果是:
  12. A. [7/2]
  13. B. [28/8]
  14. C. [7/32]
  15. D. [1/2]

  16. [2/3] ÷ [4/9] 的结果是:
  17. A. [3/2]
  18. B. [1/2]
  19. C. [6/3]
  20. D. [3/6]

  21. [1/2] ÷ [3/4] 的结果是:
  22. A. [2/3]
  23. B. [3/2]
  24. C. [1/3]
  25. D. [3/4]

  26. [8/15] ÷ [4/5] 的结果是:
  27. A. [2/3]
  28. B. [4/3]
  29. C. [3/4]
  30. D. [1/3]

  31. [9/10] ÷ [3/5] 的结果是:
  32. A. [3/2]
  33. B. [2/3]
  34. C. [1/2]
  35. D. [3/4]

  36. [11/12] ÷ [1/6] 的结果是:
  37. A. [11/2]
  38. B. [22/12]
  39. C. [11/6]
  40. D. [1/2]

  41. [5/8] ÷ [1/4] 的结果是:
  42. A. [5/2]
  43. B. [2/5]
  44. C. [1/2]
  45. D. [2/3]

  46. [3/7] ÷ [2/7] 的结果是:
    • A. [3/2]
    • B. [2/3]
    • C. [1/2]
    • D. [3/7]

三、计算题(每题5分,共30分)

  1. 计算 [7/12] ÷ [3/4]。
  2. 计算 [9/16] ÷ [3/8]。
  3. 计算 [5/9] ÷ [2/3]。
  4. 计算 [11/15] ÷ [1/5]。
  5. 计算 [4/7] ÷ [2/7]。
  6. 计算 [13/18] ÷ [1/6]。

四、应用题(每题10分,共30分)

  1. 小明有 [3/4] 升果汁,他想平均分给他的 [1/8] 升杯子,他能倒满多少个这样的杯子?
  2. 一个蛋糕被分成 [5/6] 块,如果每个小朋友可以吃 [2/3] 块,那么这个蛋糕可以分给几个小朋友?
  3. 一辆汽车行驶了 [7/9] 公里,如果每小时行驶 [1/3] 公里,那么这辆汽车行驶了多少小时?

答案

一、填空题

  1. [3/4] ÷ [1/8] = 6
  2. [5/6] ÷ [2/3] = [5/4]
  3. [7/9] ÷ [1/3] = [7/3]
  4. [2/5] ÷ [4/15] = [3/2]
  5. [8/15] ÷ [2/5] = [4/3]
  6. [9/10] ÷ [3/5] = [3/2]
  7. [11/12] ÷ [1/4] = [11/3]
  8. [1/2] ÷ [3/8] = [4/3]
  9. [5/8] ÷ [1/4] = [5/2]
  10. [3/7] ÷ [2/7] = [3/2]

二、选择题

  1. B. [3/2]
  2. C. [2]
  3. A. [7/2]
  4. A. [3/2]
  5. A. [2/3]
  6. A. [2/3]
  7. A. [3/2]
  8. A. [11/2]
  9. A. [5/2]
  10. A. [3/2]

三、计算题

  1. [7/12] ÷ [3/4] = [7/12] × [4/3] = [7/9]
  2. [9/16] ÷ [3/8] = [9/16] × [8/3] = [3/2]
  3. [5/9] ÷ [2/3] = [5/9] × [3/2] = [5/6]
  4. [11/15] ÷ [1/5] = [11/15] × [5/1] = [11/3]
  5. [4/7] ÷ [2/7] = [4/7] × [7/2] = 2
  6. [13/18] ÷ [1/6] = [13/18] × [6/1] = [13/3]

四、应用题

  1. [3/4] ÷ [1/8] = 6 个杯子
  2. [5/6] ÷ [2/3] = [5/6] × [3/2] = [5/4] = 1.25 个小朋友(即可以分给1个小朋友,还剩 [1/4] 块)
  3. [7/9] ÷ [1/3] = [7/9] × [3/1] = [7/3] = 2.33 小时(即2小时20分钟)
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