五年级上册 小数乘法（笔算）
姓名：_______________
学号：_______________
用时：_______________
| 4.2 × 50 = | 1.2 × 17 = | (1.8 + 1.7) × 4.9 = |
| 5.9 × 16 = | (4.4 + 1.1) × 2.0 = | 8.86 × 1.56 ≈ （保留两位小数） |
| 4.22 × 3.5 ≈ （保留两位小数） | 4.3 × 3 = | (1.6 + 3.4) × 2.2 = |
| 7.7 × 7.1 = | (1.0 + 3.7) × 0.3 = | 1.8 × 1.0 = |
| (3.5 + 2.5) × 3.0 = | 1.15 × 1.12 ≈ （保留两位小数） | 9.2 × 8.7 = |
| 8.03 × 2.55 ≈ （保留两位小数） | (1.3 + 3.7) × 4.2 = | 3.1 × 2.7 = |
| 6.2 × 9.3 = | 1.99 × 3.85 ≈ （保留两位小数） | (0.2 + 0.6) × 0.6 = |
| 5.9 × 8.4 = | (0.4 + 2.8) × 0.3 = | (4.2 + 1.6) × 4.6 = |
| 6.7 × 2.4 = | 1.7 × 35 = | 0.125 × 8 × 6.4 = |
| (0.4 + 4.7) × 2.1 = | 7.81 × 6.34 ≈ （保留两位小数） | 0.6 × 11 = |
| 3.7 × 2.8 = | (4.7 + 4.9) × 3.3 = | (2.5 + 3.4) × 2.0 = |
| (0.8 + 2.1) × 1.8 = | (1.5 + 2.9) × 2.1 = | (4.0 + 0.9) × 4.1 = |
| 8.1 × 14 = | 1.6 × 4 × 2.5 = | 1.8 × 2.7 = |
| 4.78 × 4 × 0.25 = | 1.1 × 6.3 = | 0.25 × 4.78 × 4 = |
| (1.4 + 4.9) × 0.1 = | 3.5 × 2 = | 6.13 × 9.84 ≈ （保留两位小数） |
| 8.08 × 3.34 ≈ （保留两位小数） | 5 × 0.2 × 3.5 = | (0.2 + 0.5) × 4.4 = |
| 2 × 4.6 × 0.5 = | 8.3 × 0.9 = |
五年级上册 小数乘法（笔算）（答案）
姓名：_______________
学号：_______________
用时：_______________
| 4.2 × 50 = 210 | 1.2 × 17 = 20.4 | (1.8 + 1.7) × 4.9 = 17.15 |
| 5.9 × 16 = 94.4 | (4.4 + 1.1) × 2.0 = 11 | 8.86 × 1.56 ≈ （保留两位小数） 13.82 |
| 4.22 × 3.5 ≈ （保留两位小数） 14.77 | 4.3 × 3 = 12.9 | (1.6 + 3.4) × 2.2 = 11 |
| 7.7 × 7.1 = 54.67 | (1.0 + 3.7) × 0.3 = 1.41 | 1.8 × 1.0 = 1.8 |
| (3.5 + 2.5) × 3.0 = 18 | 1.15 × 1.12 ≈ （保留两位小数） 1.29 | 9.2 × 8.7 = 80.04 |
| 8.03 × 2.55 ≈ （保留两位小数） 20.48 | (1.3 + 3.7) × 4.2 = 21 | 3.1 × 2.7 = 8.37 |
| 6.2 × 9.3 = 57.66 | 1.99 × 3.85 ≈ （保留两位小数） 7.66 | (0.2 + 0.6) × 0.6 = 0.48 |
| 5.9 × 8.4 = 49.56 | (0.4 + 2.8) × 0.3 = 0.96 | (4.2 + 1.6) × 4.6 = 26.68 |
| 6.7 × 2.4 = 16.08 | 1.7 × 35 = 59.5 | 0.125 × 8 × 6.4 = 6.4 |
| (0.4 + 4.7) × 2.1 = 10.71 | 7.81 × 6.34 ≈ （保留两位小数） 49.52 | 0.6 × 11 = 6.6 |
| 3.7 × 2.8 = 10.36 | (4.7 + 4.9) × 3.3 = 31.68 | (2.5 + 3.4) × 2.0 = 11.8 |
| (0.8 + 2.1) × 1.8 = 5.22 | (1.5 + 2.9) × 2.1 = 9.24 | (4.0 + 0.9) × 4.1 = 20.09 |
| 8.1 × 14 = 113.4 | 1.6 × 4 × 2.5 = 16 | 1.8 × 2.7 = 4.86 |
| 4.78 × 4 × 0.25 = 4.78 | 1.1 × 6.3 = 6.93 | 0.25 × 4.78 × 4 = 4.78 |
| (1.4 + 4.9) × 0.1 = 0.63 | 3.5 × 2 = 7 | 6.13 × 9.84 ≈ （保留两位小数） 60.32 |
| 8.08 × 3.34 ≈ （保留两位小数） 26.99 | 5 × 0.2 × 3.5 = 3.5 | (0.2 + 0.5) × 4.4 = 3.08 |
| 2 × 4.6 × 0.5 = 4.6 | 8.3 × 0.9 = 7.47 |