分数的计算题100道，小学四年级数学练习题

分数的计算题100道(小学四年级数学练习题)

一、相同分母的分数加减

1. 1/5 + 2/5 = ?

2. 3/6 – 1/6 = ?

3. 4/8 + 3/8 = ?

4. 2/7 – 1/7 = ?

5. 3/9 + 5/9 = ?

6. 6/10 – 2/10 = ?

7. 4/12 + 1/12 = ?

8. 5/11 – 3/11 = ?

9. 2/4 + 1/4 = ?

10. 7/9 – 2/9 = ?

二、不同分母的分数加减

11. 1/3 + 1/4 = ?

12. 2/5 – 1/6 = ?

13. 3/7 + 2/8 = ?

14. 1/9 – 1/10 = ?

15. 2/4 + 1/3 = ?

16. 3/5 – 1/6 = ?

17. 4/7 + 3/8 = ?

18. 1/11 – 1/12 = ?

19. 2/3 + 1/4 = ?

20. 3/5 – 2/6 = ?

三、相同分母的分数乘法

21. 1/2 × 2/2 = ?

22. 2/3 × 3/3 = ?

23. 3/4 × 4/4 = ?

24. 4/5 × 5/5 = ?

25. 5/6 × 6/6 = ?

26. 6/7 × 7/7 = ?

27. 7/8 × 8/8 = ?

28. 8/9 × 9/9 = ?

29. 9/10 × 10/10 = ?

30. 10/11 × 11/11 = ?

四、不同分母的分数乘法

31. 1/2 × 1/3 = ?

32. 2/3 × 2/4 = ?

33. 3/4 × 3/5 = ?

34. 4/5 × 4/6 = ?

35. 5/6 × 5/7 = ?

36. 6/7 × 6/8 = ?

37. 7/8 × 7/9 = ?

38. 8/9 × 8/10 = ?

39. 9/10 × 9/11 = ?

40. 10/11 × 10/12 = ?

五、相同分母的分数除法

41. 1/2 ÷ 1/2 = ?

42. 2/3 ÷ 2/3 = ?

43. 3/4 ÷ 3/4 = ?

44. 4/5 ÷ 4/5 = ?

45. 5/6 ÷ 5/6 = ?

46. 6/7 ÷ 6/7 = ?

47. 7/8 ÷ 7/8 = ?

48. 8/9 ÷ 8/9 = ?

49. 9/10 ÷ 9/10 = ?

50. 10/11 ÷ 10/11 = ?

六、不同分母的分数除法

51. 1/2 ÷ 1/3 = ?

52. 2/3 ÷ 2/4 = ?

53. 3/4 ÷ 3/5 = ?

54. 4/5 ÷ 4/6 = ?

55. 5/6 ÷ 5/7 = ?

56. 6/7 ÷ 6/8 = ?

57. 7/8 ÷ 7/9 = ?

58. 8/9 ÷ 8/10 = ?

59. 9/10 ÷ 9/11 = ?

60. 10/11 ÷ 10/12 = ?

七、混合运算

61. 1/2 + 1/3 – 1/6 = ?

62. 2/3 – 1/4 + 1/12 = ?

63. 3/4 + 2/5 – 1/20 = ?

64. 4/5 – 1/6 + 1/30 = ?

65. 5/6 + 1/7 – 1/42 = ?

66. 6/7 – 1/8 + 1/56 = ?

67. 7/8 + 2/9 – 1/72 = ?

68. 8/9 – 1/10 + 1/90 = ?

69. 9/10 + 3/11 – 1/110 = ?

70. 10/11 – 1/12 + 1/132 = ?

八、简便计算

71. 1/4 + 1/4 = ?

72. 2/5 + 2/5 = ?

73. 3/6 + 3/6 = ?

74. 4/8 + 4/8 = ?

75. 5/10 + 5/10 = ?

76. 6/12 + 6/12 = ?

77. 7/14 + 7/14 = ?

78. 8/16 + 8/16 = ?

79. 9/18 + 9/18 = ?

80. 10/20 + 10/20 = ?

九、简便计算

81. 1/2 – 1/4 = ?

82. 2/3 – 2/5 = ?

83. 3/4 – 3/6 = ?

84. 4/5 – 4/8 = ?

85. 5/6 – 5/10 = ?

86. 6/7 – 6/12 = ?

87. 7/8 – 7/14 = ?

88. 8/9 – 8/16 = ?

89. 9/10 – 9/18 = ?

90. 10/11 – 10/20 = ?

十、简便计算

91. 1/2 × 2/2 = ?

92. 2/3 × 3/3 = ?

93. 3/4 × 4/4 = ?

94. 4/5 × 5/5 = ?

95. 5/6 × 6/6 = ?

96. 6/7 × 7/7 = ?

97. 7/8 × 8/8 = ?

98. 8/9 × 9/9 = ?

99. 9/10 × 10/10 = ?

100. 10/11 × 11/11 = ?

总结：

通过这100道分数的计算题，小学四年级的孩子们可以更好地掌握分数的加减乘除运算。在解题过程中，需要注意分数的分母是否相同，如果不同，需要先找到它们的最小公倍数，然后进行转换。此外，还可以利用简便计算的方法，将分数化简为最简形式，从而更便捷地进行运算。希望同学们通过练习，对分数的计算有更深入的理解，提高数学运算能力。