五年级上册 小数乘法（笔算）
姓名：_______________
学号：_______________
用时：_______________
| (3.1 + 1.3) × 1.8 = | (2.9 + 2.0) × 0.1 = | 1.7 × 8.4 = |
| 6.6 × 3.8 = | 6.8 × 4.48 ≈ （保留两位小数） | 5.8 × 0.5 × 2 = |
| 4.9 × 1.8 = | (1.7 + 4.3) × 0.8 = | 8.4 × 0.25 × 4 = |
| 8.9 × 5 = | (1.8 + 4.9) × 1.3 = | (3.0 + 4.4) × 3.8 = |
| (3.2 + 4.2) × 3.4 = | 1.4 × 6.5 = | 2.08 × 5.41 ≈ （保留两位小数） |
| (2.0 + 0.2) × 3.6 = | 0.125 × 6.4 × 8 = | 3.6 × 0.5 × 2 = |
| 5 × 4.5 × 0.2 = | 4.1 × 10 = | 2.1 × 9.8 = |
| (1.4 + 2.1) × 0.5 = | (0.5 + 4.8) × 1.1 = | (2.7 + 4.3) × 0.3 = |
| 2.79 × 1.95 ≈ （保留两位小数） | 0.2 × 5 × 3.5 = | 0.25 × 8.4 × 4 = |
| 6.0 × 8.3 = | 7.08 × 7.88 ≈ （保留两位小数） | 1.25 × 8 × 6.4 = |
| (0.7 + 2.2) × 1.6 = | 2 × 3.6 × 0.5 = | (4.2 + 2.6) × 3.3 = |
| 8.2 × 7.0 = | 2.5 × 3.6 × 4 = | 8 × 1.25 × 6.4 = |
| 8.5 × 8.1 = | 4.7 × 4.6 = | 3.9 × 5.7 = |
| 0.7 × 3.6 = | 4.5 × 29 = | 2.4 × 6.7 = |
| 9.06 × 0.75 ≈ （保留两位小数） | 4.56 × 7.52 ≈ （保留两位小数） | 9.64 × 7.92 ≈ （保留两位小数） |
| 2.4 × 6.8 = | 1.78 × 1.42 ≈ （保留两位小数） | (1.4 + 0.8) × 3.9 = |
| 1.4 × 0.8 = | 4 × 1.6 × 2.5 = |
五年级上册 小数乘法（笔算）（答案）
姓名：_______________
学号：_______________
用时：_______________
| (3.1 + 1.3) × 1.8 = 7.92 | (2.9 + 2.0) × 0.1 = 0.49 | 1.7 × 8.4 = 14.28 |
| 6.6 × 3.8 = 25.08 | 6.8 × 4.48 ≈ （保留两位小数） 30.46 | 5.8 × 0.5 × 2 = 5.8 |
| 4.9 × 1.8 = 8.82 | (1.7 + 4.3) × 0.8 = 4.8 | 8.4 × 0.25 × 4 = 8.4 |
| 8.9 × 5 = 44.5 | (1.8 + 4.9) × 1.3 = 8.71 | (3.0 + 4.4) × 3.8 = 28.12 |
| (3.2 + 4.2) × 3.4 = 25.16 | 1.4 × 6.5 = 9.1 | 2.08 × 5.41 ≈ （保留两位小数） 11.25 |
| (2.0 + 0.2) × 3.6 = 7.92 | 0.125 × 6.4 × 8 = 6.4 | 3.6 × 0.5 × 2 = 3.6 |
| 5 × 4.5 × 0.2 = 4.5 | 4.1 × 10 = 41 | 2.1 × 9.8 = 20.58 |
| (1.4 + 2.1) × 0.5 = 1.75 | (0.5 + 4.8) × 1.1 = 5.83 | (2.7 + 4.3) × 0.3 = 2.1 |
| 2.79 × 1.95 ≈ （保留两位小数） 5.44 | 0.2 × 5 × 3.5 = 3.5 | 0.25 × 8.4 × 4 = 8.4 |
| 6.0 × 8.3 = 49.8 | 7.08 × 7.88 ≈ （保留两位小数） 55.79 | 1.25 × 8 × 6.4 = 64 |
| (0.7 + 2.2) × 1.6 = 4.64 | 2 × 3.6 × 0.5 = 3.6 | (4.2 + 2.6) × 3.3 = 22.44 |
| 8.2 × 7.0 = 57.4 | 2.5 × 3.6 × 4 = 36 | 8 × 1.25 × 6.4 = 64 |
| 8.5 × 8.1 = 68.85 | 4.7 × 4.6 = 21.62 | 3.9 × 5.7 = 22.23 |
| 0.7 × 3.6 = 2.52 | 4.5 × 29 = 130.5 | 2.4 × 6.7 = 16.08 |
| 9.06 × 0.75 ≈ （保留两位小数） 6.79 | 4.56 × 7.52 ≈ （保留两位小数） 34.29 | 9.64 × 7.92 ≈ （保留两位小数） 76.35 |
| 2.4 × 6.8 = 16.32 | 1.78 × 1.42 ≈ （保留两位小数） 2.53 | (1.4 + 0.8) × 3.9 = 8.58 |
| 1.4 × 0.8 = 1.12 | 4 × 1.6 × 2.5 = 16 |