三年级下册 小数的初步认识（口算）
姓名：_______________
学号：_______________
用时：_______________
| 3.1 - 0.6 = | 1.4 + 4.4 = | 6.1 + 1.7 = | 3.9 - 3.4 = |
| 9.5 + 0.1 = | 2.9 - 2.9 = | 6.8 + 1.7 = | 7.7 - 5.3 = |
| 2.2 + 7.6 = | 8.8 + 0.3 = | 9.4 + 0.4 = | 6.0 + 1.7 = |
| 6.3 + 2.5 = | 4.8 - 2.3 = | 9.4 - 2.9 = | 5.6 - 0.9 = |
| 7.5 + 0.4 = | 0.3 - 0.1 = | 2.3 + 5.9 = | 0.2 - 0.1 = |
| 1.4 - 0.2 = | 4.3 + 3.5 = | 5.9 + 3.5 = | 5.1 - 3.3 = |
| 7.0 + 0.2 = | 5.8 - 2.7 = | 3.4 - 3.0 = | 2.2 - 2.1 = |
| 8.1 - 5.7 = | 1.2 - 0.6 = | 4.8 - 4.6 = | 1.1 - 1.1 = |
| 2.5 + 2.7 = | 1.0 - 0.6 = | 10.0 - 5.5 = | 1.7 + 7.5 = |
| 3.0 + 3.0 = | 8.7 + 0.9 = | 2.5 + 3.6 = | 8.7 + 0.4 = |
| 3.0 + 1.5 = | 3.3 - 1.2 = | 2.5 - 1.9 = | 2.7 + 2.5 = |
| 0.4 + 1.3 = | 5.7 - 0.3 = | 2.9 - 1.2 = | 6.3 - 1.4 = |
| 7.0 + 0.5 = | 0.2 + 8.7 = | 5.1 + 0.9 = | 3.4 - 1.8 = |
| 8.5 - 4.7 = | 1.0 + 6.7 = | 7.5 + 2.4 = | 6.5 + 2.1 = |
| 9.2 - 5.4 = | 7.3 - 2.0 = | 6.0 - 3.9 = | 0.2 + 3.1 = |
| 7.7 - 1.0 = | 5.2 + 4.8 = | 4.7 - 1.0 = | 4.7 - 0.7 = |
| 8.9 + 0.3 = | 9.1 + 0.1 = | 10.0 - 2.5 = | 6.9 - 6.8 = |
| 9.6 - 2.5 = | 5.9 + 1.3 = | 4.4 + 1.2 = | 3.6 - 2.2 = |
| 1.7 + 6.7 = | 3.2 - 2.6 = | 9.9 - 6.2 = | 7.0 - 0.3 = |
| 6.5 - 3.8 = | 9.8 + 0.1 = | 8.4 - 7.9 = | 3.9 - 1.2 = |
| 4.7 + 1.5 = | 5.9 + 0.6 = | 8.4 + 0.7 = | 6.7 + 0.6 = |
| 2.8 - 0.6 = | 1.5 - 0.7 = | 5.7 - 0.2 = | 1.7 - 1.3 = |
| 3.6 + 1.7 = | 8.7 + 0.8 = | 7.5 + 2.0 = | 1.5 + 7.2 = |
| 6.1 - 3.4 = | 0.3 - 0.1 = | 2.3 - 2.0 = | 3.6 - 1.1 = |
| 5.8 + 0.9 = | 8.6 - 7.0 = | 8.8 - 6.8 = | 3.3 + 0.4 = |
三年级下册 小数的初步认识（口算）（答案）
姓名：_______________
学号：_______________
用时：_______________
| 3.1 - 0.6 = 2.5 | 1.4 + 4.4 = 5.8 | 6.1 + 1.7 = 7.8 | 3.9 - 3.4 = 0.5 |
| 9.5 + 0.1 = 9.6 | 2.9 - 2.9 = 0 | 6.8 + 1.7 = 8.5 | 7.7 - 5.3 = 2.4 |
| 2.2 + 7.6 = 9.8 | 8.8 + 0.3 = 9.1 | 9.4 + 0.4 = 9.8 | 6.0 + 1.7 = 7.7 |
| 6.3 + 2.5 = 8.8 | 4.8 - 2.3 = 2.5 | 9.4 - 2.9 = 6.5 | 5.6 - 0.9 = 4.7 |
| 7.5 + 0.4 = 7.9 | 0.3 - 0.1 = 0.2 | 2.3 + 5.9 = 8.2 | 0.2 - 0.1 = 0.1 |
| 1.4 - 0.2 = 1.2 | 4.3 + 3.5 = 7.8 | 5.9 + 3.5 = 9.4 | 5.1 - 3.3 = 1.8 |
| 7.0 + 0.2 = 7.2 | 5.8 - 2.7 = 3.1 | 3.4 - 3.0 = 0.4 | 2.2 - 2.1 = 0.1 |
| 8.1 - 5.7 = 2.4 | 1.2 - 0.6 = 0.6 | 4.8 - 4.6 = 0.2 | 1.1 - 1.1 = 0 |
| 2.5 + 2.7 = 5.2 | 1.0 - 0.6 = 0.4 | 10.0 - 5.5 = 4.5 | 1.7 + 7.5 = 9.2 |
| 3.0 + 3.0 = 6 | 8.7 + 0.9 = 9.6 | 2.5 + 3.6 = 6.1 | 8.7 + 0.4 = 9.1 |
| 3.0 + 1.5 = 4.5 | 3.3 - 1.2 = 2.1 | 2.5 - 1.9 = 0.6 | 2.7 + 2.5 = 5.2 |
| 0.4 + 1.3 = 1.7 | 5.7 - 0.3 = 5.4 | 2.9 - 1.2 = 1.7 | 6.3 - 1.4 = 4.9 |
| 7.0 + 0.5 = 7.5 | 0.2 + 8.7 = 8.9 | 5.1 + 0.9 = 6 | 3.4 - 1.8 = 1.6 |
| 8.5 - 4.7 = 3.8 | 1.0 + 6.7 = 7.7 | 7.5 + 2.4 = 9.9 | 6.5 + 2.1 = 8.6 |
| 9.2 - 5.4 = 3.8 | 7.3 - 2.0 = 5.3 | 6.0 - 3.9 = 2.1 | 0.2 + 3.1 = 3.3 |
| 7.7 - 1.0 = 6.7 | 5.2 + 4.8 = 10 | 4.7 - 1.0 = 3.7 | 4.7 - 0.7 = 4 |
| 8.9 + 0.3 = 9.2 | 9.1 + 0.1 = 9.2 | 10.0 - 2.5 = 7.5 | 6.9 - 6.8 = 0.1 |
| 9.6 - 2.5 = 7.1 | 5.9 + 1.3 = 7.2 | 4.4 + 1.2 = 5.6 | 3.6 - 2.2 = 1.4 |
| 1.7 + 6.7 = 8.4 | 3.2 - 2.6 = 0.6 | 9.9 - 6.2 = 3.7 | 7.0 - 0.3 = 6.7 |
| 6.5 - 3.8 = 2.7 | 9.8 + 0.1 = 9.9 | 8.4 - 7.9 = 0.5 | 3.9 - 1.2 = 2.7 |
| 4.7 + 1.5 = 6.2 | 5.9 + 0.6 = 6.5 | 8.4 + 0.7 = 9.1 | 6.7 + 0.6 = 7.3 |
| 2.8 - 0.6 = 2.2 | 1.5 - 0.7 = 0.8 | 5.7 - 0.2 = 5.5 | 1.7 - 1.3 = 0.4 |
| 3.6 + 1.7 = 5.3 | 8.7 + 0.8 = 9.5 | 7.5 + 2.0 = 9.5 | 1.5 + 7.2 = 8.7 |
| 6.1 - 3.4 = 2.7 | 0.3 - 0.1 = 0.2 | 2.3 - 2.0 = 0.3 | 3.6 - 1.1 = 2.5 |
| 5.8 + 0.9 = 6.7 | 8.6 - 7.0 = 1.6 | 8.8 - 6.8 = 2 | 3.3 + 0.4 = 3.7 |