五年级上册 小数乘法（笔算）
姓名：_______________
学号：_______________
用时：_______________
| (1.5 + 3.7) × 4.9 = | (4.3 + 3.8) × 2.5 = | (1.9 + 4.3) × 1.1 = |
| 2.5 × 1.6 × 4 = | 4 × 0.25 × 4.78 = | 0.5 × 6.5 = |
| 6.75 × 7.21 ≈ （保留两位小数） | 3.8 × 25 = | 0.99 × 6.74 ≈ （保留两位小数） |
| (4.2 + 4.6) × 2.7 = | 0.4 × 34 = | 2.97 × 5.95 ≈ （保留两位小数） |
| 3.6 × 8.4 = | 1.25 × 8 × 3.2 = | 9.4 × 8.3 = |
| 2.4 × 8.1 = | 1.4 × 2.9 = | 0.2 × 2.0 = |
| 1.4 × 1.5 = | 1.0 × 45 = | 0.125 × 4.8 × 8 = |
| 7.2 × 1.25 × 8 = | 5.69 × 2.85 ≈ （保留两位小数） | 5.0 × 5.1 = |
| 3.3 × 42 = | (1.7 + 1.7) × 2.3 = | (4.1 + 4.7) × 2.2 = |
| 4.08 × 5.31 ≈ （保留两位小数） | 8.41 × 4.22 ≈ （保留两位小数） | 7.2 × 0.6 = |
| 0.51 × 2.38 ≈ （保留两位小数） | 2.5 × 8.8 = | 3.9 × 2.2 = |
| 0.125 × 6.4 × 8 = | 1.25 × 8 × 7.2 = | 3.4 × 40 = |
| 6.9 × 28 = | 4.3 × 9.1 ≈ （保留两位小数） | (0.6 + 0.3) × 0.9 = |
| (4.8 + 1.8) × 1.3 = | 6.4 × 1.25 × 8 = | 7.5 × 8 = |
| 4 × 4.78 × 0.25 = | 3.54 × 6.34 ≈ （保留两位小数） | 4.1 × 28 = |
| 3.5 × 29 = | 0.125 × 6.4 × 8 = | 4.53 × 1.37 ≈ （保留两位小数） |
| 1.5 × 21 = | 7.0 × 4.9 = |
五年级上册 小数乘法（笔算）（答案）
姓名：_______________
学号：_______________
用时：_______________
| (1.5 + 3.7) × 4.9 = 25.48 | (4.3 + 3.8) × 2.5 = 20.25 | (1.9 + 4.3) × 1.1 = 6.82 |
| 2.5 × 1.6 × 4 = 16 | 4 × 0.25 × 4.78 = 4.78 | 0.5 × 6.5 = 3.25 |
| 6.75 × 7.21 ≈ （保留两位小数） 48.67 | 3.8 × 25 = 95 | 0.99 × 6.74 ≈ （保留两位小数） 6.67 |
| (4.2 + 4.6) × 2.7 = 23.76 | 0.4 × 34 = 13.6 | 2.97 × 5.95 ≈ （保留两位小数） 17.67 |
| 3.6 × 8.4 = 30.24 | 1.25 × 8 × 3.2 = 32 | 9.4 × 8.3 = 78.02 |
| 2.4 × 8.1 = 19.44 | 1.4 × 2.9 = 4.06 | 0.2 × 2.0 = 0.4 |
| 1.4 × 1.5 = 2.1 | 1.0 × 45 = 45 | 0.125 × 4.8 × 8 = 4.8 |
| 7.2 × 1.25 × 8 = 72 | 5.69 × 2.85 ≈ （保留两位小数） 16.22 | 5.0 × 5.1 = 25.5 |
| 3.3 × 42 = 138.6 | (1.7 + 1.7) × 2.3 = 7.82 | (4.1 + 4.7) × 2.2 = 19.36 |
| 4.08 × 5.31 ≈ （保留两位小数） 21.66 | 8.41 × 4.22 ≈ （保留两位小数） 35.49 | 7.2 × 0.6 = 4.32 |
| 0.51 × 2.38 ≈ （保留两位小数） 1.21 | 2.5 × 8.8 = 22 | 3.9 × 2.2 = 8.58 |
| 0.125 × 6.4 × 8 = 6.4 | 1.25 × 8 × 7.2 = 72 | 3.4 × 40 = 136 |
| 6.9 × 28 = 193.2 | 4.3 × 9.1 ≈ （保留两位小数） 39.13 | (0.6 + 0.3) × 0.9 = 0.81 |
| (4.8 + 1.8) × 1.3 = 8.58 | 6.4 × 1.25 × 8 = 64 | 7.5 × 8 = 60 |
| 4 × 4.78 × 0.25 = 4.78 | 3.54 × 6.34 ≈ （保留两位小数） 22.44 | 4.1 × 28 = 114.8 |
| 3.5 × 29 = 101.5 | 0.125 × 6.4 × 8 = 6.4 | 4.53 × 1.37 ≈ （保留两位小数） 6.21 |
| 1.5 × 21 = 31.5 | 7.0 × 4.9 = 34.3 |