【小学五年级数学口算题100题】在小学数学学习中，口算能力是学生计算能力的重要体现。它不仅有助于提高学生的思维敏捷性，还能为后续的数学学习打下坚实的基础。为了帮助五年级的学生更好地掌握基本运算技能，以下整理了100道适合该年级的口算题，涵盖加减乘除、小数运算、分数初步等内容，适合日常练习或课堂巩固。
一、整数加减法（20题）
1. 34 + 28 =
2. 57 - 19 =
3. 63 + 27 =
4. 85 - 36 =
5. 42 + 39 =
6. 71 - 28 =
7. 56 + 34 =
8. 92 - 45 =
9. 27 + 43 =
10. 68 - 29 =
11. 84 + 16 =
12. 73 - 37 =
13. 59 + 21 =
14. 95 - 58 =
15. 38 + 42 =
16. 66 - 29 =
17. 45 + 35 =
18. 87 - 49 =
19. 29 + 51 =
20. 74 - 38 =
二、整数乘除法（20题）
21. 7 × 8 =
22. 9 × 6 =
23. 12 × 5 =
24. 15 ÷ 3 =
25. 24 ÷ 4 =
26. 8 × 9 =
27. 10 × 7 =
28. 36 ÷ 6 =
29. 18 ÷ 2 =
30. 11 × 4 =
31. 14 × 3 =
32. 48 ÷ 8 =
33. 25 ÷ 5 =
34. 13 × 2 =
35. 21 ÷ 7 =
36. 16 × 5 =
37. 45 ÷ 9 =
38. 19 × 3 =
39. 60 ÷ 10 =
40. 17 × 4 =
三、小数加减法（20题）
41. 0.5 + 0.3 =
42. 1.2 + 0.8 =
43. 2.7 - 1.5 =
44. 0.9 + 0.6 =
45. 3.4 - 1.2 =
46. 1.8 + 0.7 =
47. 2.5 - 0.9 =
48. 0.4 + 0.6 =
49. 4.3 - 2.1 =
50. 1.5 + 1.5 =
51. 0.7 + 0.3 =
52. 3.6 - 1.8 =
53. 2.2 + 1.8 =
54. 1.9 - 0.5 =
55. 0.5 + 1.5 =
56. 2.4 - 1.1 =
57. 1.7 + 0.3 =
58. 3.1 - 1.9 =
59. 0.6 + 0.4 =
60. 4.5 - 2.3 =
四、分数初步（20题）
61. 1/2 + 1/2 =
62. 1/3 + 1/3 =
63. 2/4 + 1/4 =
64. 3/5 - 1/5 =
65. 1/2 + 1/4 =
66. 2/3 - 1/3 =
67. 1/4 + 1/2 =
68. 3/4 - 1/4 =
69. 1/5 + 2/5 =
70. 2/5 + 2/5 =
71. 4/6 - 1/6 =
72. 1/2 + 1/6 =
73. 3/4 - 1/2 =
74. 2/3 + 1/3 =
75. 1/2 + 1/3 =
76. 5/8 - 3/8 =
77. 1/4 + 1/8 =
78. 3/8 + 1/8 =
79. 2/7 + 3/7 =
80. 5/9 - 2/9 =
五、综合运算（20题）
81. 12 + 8 × 2 =
82. 15 ÷ 3 + 4 =
83. (6 + 4) × 3 =
84. 20 - 5 × 2 =
85. 3 × 4 + 5 =
86. 18 ÷ (3 + 3) =
87. 7 + 6 × 2 =
88. 25 - 10 ÷ 5 =
89. 8 × (2 + 3) =
90. 10 + 12 ÷ 4 =
91. 9 × 2 - 5 =
92. 16 ÷ 4 + 7 =
93. (10 - 4) × 2 =
94. 5 + 3 × 5 =
95. 20 ÷ 5 + 6 =
96. 7 × 3 - 10 =
97. 12 ÷ (4 - 2) =
98. 4 × 5 + 3 =
99. 18 - 6 × 2 =
100. 10 + 8 ÷ 2 =
通过每天坚持练习这些题目，学生可以逐步提升自己的计算速度和准确率，为今后更复杂的数学学习做好准备。建议家长或老师根据孩子的实际情况，适当调整难度，确保练习的有效性和趣味性。
