三年级下册 小数的初步认识（口算）
姓名：_______________
学号：_______________
用时：_______________
| 8.8 + 0.5 = | 0.4 - 0.2 = | 1.7 - 0.7 = | 7.4 - 1.4 = |
| 3.3 - 3.1 = | 8.2 + 1.0 = | 3.9 + 1.2 = | 6.6 - 5.9 = |
| 8.0 - 3.1 = | 6.6 - 3.3 = | 4.0 + 4.2 = | 9.6 - 3.3 = |
| 6.7 - 3.2 = | 4.8 - 1.2 = | 0.5 + 1.3 = | 6.4 - 1.9 = |
| 4.3 + 0.5 = | 3.1 + 2.8 = | 8.7 + 1.1 = | 8.8 - 2.8 = |
| 1.6 + 6.5 = | 2.1 + 2.5 = | 3.4 + 6.4 = | 6.0 - 4.3 = |
| 9.5 + 0.5 = | 2.3 + 0.8 = | 2.4 - 2.1 = | 4.7 + 1.3 = |
| 1.3 - 0.9 = | 6.2 - 2.2 = | 8.6 - 8.4 = | 1.9 + 7.9 = |
| 5.4 - 1.2 = | 0.5 + 0.2 = | 4.5 + 2.6 = | 2.8 + 5.9 = |
| 7.0 - 2.5 = | 5.5 + 2.9 = | 0.8 - 0.3 = | 6.1 + 2.3 = |
| 4.3 + 3.3 = | 5.4 - 2.4 = | 5.0 - 2.2 = | 8.3 + 1.5 = |
| 0.3 - 0.2 = | 9.5 + 0.2 = | 0.9 + 4.1 = | 3.6 + 1.6 = |
| 7.0 + 2.1 = | 3.2 + 1.4 = | 5.0 + 4.2 = | 1.6 + 4.4 = |
| 7.7 + 2.0 = | 9.8 - 3.9 = | 5.0 + 0.4 = | 1.6 + 4.1 = |
| 3.8 - 3.6 = | 1.8 + 4.5 = | 2.4 - 2.0 = | 0.9 - 0.6 = |
| 5.0 + 1.0 = | 9.7 + 0.2 = | 7.4 + 2.4 = | 9.9 - 7.1 = |
| 7.4 + 1.1 = | 3.7 + 2.3 = | 9.4 + 0.3 = | 1.9 - 0.1 = |
| 3.3 - 1.5 = | 5.7 + 0.3 = | 3.2 + 6.5 = | 0.1 + 4.9 = |
| 6.8 + 1.3 = | 6.2 + 2.2 = | 1.4 + 7.4 = | 1.6 + 3.8 = |
| 5.2 + 1.5 = | 8.8 + 0.2 = | 9.5 + 0.2 = | 8.3 - 3.3 = |
| 6.7 + 3.1 = | 6.7 - 2.0 = | 6.5 - 2.0 = | 8.9 - 4.6 = |
| 5.9 - 0.8 = | 5.7 - 0.6 = | 0.5 - 0.5 = | 0.9 - 0.4 = |
| 7.3 + 0.4 = | 6.8 + 1.1 = | 3.6 - 0.9 = | 3.0 - 0.7 = |
| 8.9 - 4.9 = | 2.4 + 6.0 = | 2.4 - 0.4 = | 7.0 - 1.5 = |
| 6.6 + 1.7 = | 1.4 - 0.9 = | 0.5 - 0.2 = | 0.4 + 7.7 = |
三年级下册 小数的初步认识（口算）（答案）
姓名：_______________
学号：_______________
用时：_______________
| 8.8 + 0.5 = 9.3 | 0.4 - 0.2 = 0.2 | 1.7 - 0.7 = 1 | 7.4 - 1.4 = 6 |
| 3.3 - 3.1 = 0.2 | 8.2 + 1.0 = 9.2 | 3.9 + 1.2 = 5.1 | 6.6 - 5.9 = 0.7 |
| 8.0 - 3.1 = 4.9 | 6.6 - 3.3 = 3.3 | 4.0 + 4.2 = 8.2 | 9.6 - 3.3 = 6.3 |
| 6.7 - 3.2 = 3.5 | 4.8 - 1.2 = 3.6 | 0.5 + 1.3 = 1.8 | 6.4 - 1.9 = 4.5 |
| 4.3 + 0.5 = 4.8 | 3.1 + 2.8 = 5.9 | 8.7 + 1.1 = 9.8 | 8.8 - 2.8 = 6 |
| 1.6 + 6.5 = 8.1 | 2.1 + 2.5 = 4.6 | 3.4 + 6.4 = 9.8 | 6.0 - 4.3 = 1.7 |
| 9.5 + 0.5 = 10 | 2.3 + 0.8 = 3.1 | 2.4 - 2.1 = 0.3 | 4.7 + 1.3 = 6 |
| 1.3 - 0.9 = 0.4 | 6.2 - 2.2 = 4 | 8.6 - 8.4 = 0.2 | 1.9 + 7.9 = 9.8 |
| 5.4 - 1.2 = 4.2 | 0.5 + 0.2 = 0.7 | 4.5 + 2.6 = 7.1 | 2.8 + 5.9 = 8.7 |
| 7.0 - 2.5 = 4.5 | 5.5 + 2.9 = 8.4 | 0.8 - 0.3 = 0.5 | 6.1 + 2.3 = 8.4 |
| 4.3 + 3.3 = 7.6 | 5.4 - 2.4 = 3 | 5.0 - 2.2 = 2.8 | 8.3 + 1.5 = 9.8 |
| 0.3 - 0.2 = 0.1 | 9.5 + 0.2 = 9.7 | 0.9 + 4.1 = 5 | 3.6 + 1.6 = 5.2 |
| 7.0 + 2.1 = 9.1 | 3.2 + 1.4 = 4.6 | 5.0 + 4.2 = 9.2 | 1.6 + 4.4 = 6 |
| 7.7 + 2.0 = 9.7 | 9.8 - 3.9 = 5.9 | 5.0 + 0.4 = 5.4 | 1.6 + 4.1 = 5.7 |
| 3.8 - 3.6 = 0.2 | 1.8 + 4.5 = 6.3 | 2.4 - 2.0 = 0.4 | 0.9 - 0.6 = 0.3 |
| 5.0 + 1.0 = 6 | 9.7 + 0.2 = 9.9 | 7.4 + 2.4 = 9.8 | 9.9 - 7.1 = 2.8 |
| 7.4 + 1.1 = 8.5 | 3.7 + 2.3 = 6 | 9.4 + 0.3 = 9.7 | 1.9 - 0.1 = 1.8 |
| 3.3 - 1.5 = 1.8 | 5.7 + 0.3 = 6 | 3.2 + 6.5 = 9.7 | 0.1 + 4.9 = 5 |
| 6.8 + 1.3 = 8.1 | 6.2 + 2.2 = 8.4 | 1.4 + 7.4 = 8.8 | 1.6 + 3.8 = 5.4 |
| 5.2 + 1.5 = 6.7 | 8.8 + 0.2 = 9 | 9.5 + 0.2 = 9.7 | 8.3 - 3.3 = 5 |
| 6.7 + 3.1 = 9.8 | 6.7 - 2.0 = 4.7 | 6.5 - 2.0 = 4.5 | 8.9 - 4.6 = 4.3 |
| 5.9 - 0.8 = 5.1 | 5.7 - 0.6 = 5.1 | 0.5 - 0.5 = 0 | 0.9 - 0.4 = 0.5 |
| 7.3 + 0.4 = 7.7 | 6.8 + 1.1 = 7.9 | 3.6 - 0.9 = 2.7 | 3.0 - 0.7 = 2.3 |
| 8.9 - 4.9 = 4 | 2.4 + 6.0 = 8.4 | 2.4 - 0.4 = 2 | 7.0 - 1.5 = 5.5 |
| 6.6 + 1.7 = 8.3 | 1.4 - 0.9 = 0.5 | 0.5 - 0.2 = 0.3 | 0.4 + 7.7 = 8.1 |