【六年级数学口算题100道】为了帮助六年级学生巩固数学基础，提升计算速度和准确性，我们整理了100道适合该年龄段的数学口算题。这些题目涵盖了加减乘除、分数运算、小数运算以及简单的代数问题，内容贴近教材，难度适中，便于学生练习和复习。
以下是这100道题目的答案汇总，以表格形式呈现，方便查阅与核对。
| 题号 | 题目 | 答案 |
| 1 | 23 + 45 = | 68 |
| 2 | 78 - 39 = | 39 |
| 3 | 12 × 5 = | 60 |
| 4 | 81 ÷ 9 = | 9 |
| 5 | 0.5 + 0.7 = | 1.2 |
| 6 | 2.4 × 3 = | 7.2 |
| 7 | 15 + 25 = | 40 |
| 8 | 60 ÷ 12 = | 5 |
| 9 | 3/4 + 1/4 = | 1 |
| 10 | 12 × 7 = | 84 |
| 11 | 90 - 45 = | 45 |
| 12 | 1.5 × 4 = | 6 |
| 13 | 48 ÷ 6 = | 8 |
| 14 | 2/3 + 1/3 = | 1 |
| 15 | 18 + 32 = | 50 |
| 16 | 7 × 9 = | 63 |
| 17 | 100 - 67 = | 33 |
| 18 | 0.8 × 5 = | 4 |
| 19 | 24 ÷ 8 = | 3 |
| 20 | 3/5 + 2/5 = | 1 |
| 21 | 16 × 4 = | 64 |
| 22 | 85 - 25 = | 60 |
| 23 | 1.2 × 5 = | 6 |
| 24 | 36 ÷ 9 = | 4 |
| 25 | 1/2 + 1/2 = | 1 |
| 26 | 20 + 35 = | 55 |
| 27 | 7 × 8 = | 56 |
| 28 | 90 - 50 = | 40 |
| 29 | 0.6 × 4 = | 2.4 |
| 30 | 40 ÷ 5 = | 8 |
| 31 | 2/5 + 3/5 = | 1 |
| 32 | 14 × 5 = | 70 |
| 33 | 75 - 30 = | 45 |
| 34 | 1.5 × 3 = | 4.5 |
| 35 | 27 ÷ 9 = | 3 |
| 36 | 3/4 + 1/4 = | 1 |
| 37 | 19 + 21 = | 40 |
| 38 | 6 × 7 = | 42 |
| 39 | 80 - 40 = | 40 |
| 40 | 0.9 × 2 = | 1.8 |
| 41 | 50 ÷ 10 = | 5 |
| 42 | 1/3 + 2/3 = | 1 |
| 43 | 12 × 6 = | 72 |
| 44 | 65 - 25 = | 40 |
| 45 | 1.8 × 2 = | 3.6 |
| 46 | 30 ÷ 6 = | 5 |
| 47 | 2/3 + 1/3 = | 1 |
| 48 | 25 + 35 = | 60 |
| 49 | 8 × 7 = | 56 |
| 50 | 95 - 55 = | 40 |
| 51 | 0.7 × 3 = | 2.1 |
| 52 | 45 ÷ 9 = | 5 |
| 53 | 1/2 + 1/4 = | 0.75 |
| 54 | 15 × 6 = | 90 |
| 55 | 80 - 35 = | 45 |
| 56 | 2.5 × 2 = | 5 |
| 57 | 60 ÷ 5 = | 12 |
| 58 | 3/4 + 1/2 = | 1.25 |
| 59 | 18 + 22 = | 40 |
| 60 | 9 × 6 = | 54 |
| 61 | 70 - 30 = | 40 |
| 62 | 0.5 × 6 = | 3 |
| 63 | 24 ÷ 6 = | 4 |
| 64 | 1/4 + 3/4 = | 1 |
| 65 | 20 × 4 = | 80 |
| 66 | 60 - 20 = | 40 |
| 67 | 1.2 × 4 = | 4.8 |
| 68 | 35 ÷ 7 = | 5 |
| 69 | 2/3 + 1/6 = | 0.83 |
| 70 | 17 + 23 = | 40 |
| 71 | 7 × 6 = | 42 |
| 72 | 85 - 45 = | 40 |
| 73 | 0.8 × 3 = | 2.4 |
| 74 | 48 ÷ 6 = | 8 |
| 75 | 1/2 + 3/4 = | 1.25 |
| 76 | 13 × 5 = | 65 |
| 77 | 90 - 50 = | 40 |
| 78 | 1.6 × 2 = | 3.2 |
| 79 | 30 ÷ 5 = | 6 |
| 80 | 2/5 + 3/5 = | 1 |
| 81 | 24 + 36 = | 60 |
| 82 | 6 × 8 = | 48 |
| 83 | 75 - 25 = | 50 |
| 84 | 0.9 × 3 = | 2.7 |
| 85 | 60 ÷ 10 = | 6 |
| 86 | 1/3 + 1/3 = | 0.67 |
| 87 | 11 × 7 = | 77 |
| 88 | 80 - 40 = | 40 |
| 89 | 1.5 × 2 = | 3 |
| 90 | 25 ÷ 5 = | 5 |
| 91 | 3/4 + 1/2 = | 1.25 |
| 92 | 19 + 21 = | 40 |
| 93 | 8 × 9 = | 72 |
| 94 | 90 - 60 = | 30 |
| 95 | 0.7 × 4 = | 2.8 |
| 96 | 40 ÷ 8 = | 5 |
| 97 | 1/2 + 1/3 = | 0.83 |
| 98 | 14 × 5 = | 70 |
| 99 | 70 - 30 = | 40 |
| 100 | 2.5 × 4 = | 10 |
通过反复练习这些口算题，学生可以提高心算能力，增强对数字的敏感度，为今后学习更复杂的数学知识打下坚实的基础。建议每天练习10-20题，逐步增加难度，保持持续进步。
