五年级上册 小数乘法（笔算）
姓名：_______________
学号：_______________
用时：_______________
| 1.0 × 20 = | (0.9 + 4.5) × 3.0 = | (1.7 + 2.4) × 3.9 = |
| (0.9 + 0.4) × 4.2 = | 1.4 × 2.2 = | 5.0 × 5.9 = |
| 8.2 × 5.6 = | 6.1 × 1.4 = | 7.2 × 8 × 1.25 = |
| 7.8 × 3.4 = | 4 × 2.5 × 1.6 = | 4.6 × 0.5 × 2 = |
| (4.5 + 2.4) × 1.8 = | 3.6 × 2.5 × 4 = | (4.1 + 4.3) × 1.5 = |
| 8.8 × 41 = | 5.1 × 0.4 = | 1.98 × 2.98 ≈ （保留两位小数） |
| 9.46 × 9.15 ≈ （保留两位小数） | 4.1 × 40 = | 8.6 × 6.7 = |
| 2 × 0.5 × 3.6 = | 2.81 × 0.97 ≈ （保留两位小数） | 7.2 × 1.25 × 8 = |
| 8.5 × 48 = | 2.1 × 3.97 ≈ （保留两位小数） | 7.8 × 48 = |
| 0.4 × 7.4 = | 8 × 6.4 × 1.25 = | 4.3 × 8.1 = |
| (4.7 + 4.1) × 4.9 = | 2.11 × 9.7 ≈ （保留两位小数） | 6.8 × 0.25 × 4 = |
| 0.125 × 6.4 × 8 = | 4.6 × 3.6 = | 5 × 0.2 × 3.5 = |
| 2.4 × 7.4 = | (4.5 + 2.7) × 2.4 = | 9.2 × 29 = |
| 5.31 × 6.24 ≈ （保留两位小数） | 2.5 × 4 × 3.6 = | 6.61 × 5.83 ≈ （保留两位小数） |
| (2.4 + 2.2) × 0.9 = | 8.1 × 23 = | (0.3 + 0.5) × 3.5 = |
| (0.2 + 3.2) × 2.1 = | 8.4 × 4 × 0.25 = | 5.6 × 42 = |
| (4.4 + 4.3) × 1.8 = | 2.62 × 4.6 ≈ （保留两位小数） |
五年级上册 小数乘法（笔算）（答案）
姓名：_______________
学号：_______________
用时：_______________
| 1.0 × 20 = 20 | (0.9 + 4.5) × 3.0 = 16.2 | (1.7 + 2.4) × 3.9 = 15.99 |
| (0.9 + 0.4) × 4.2 = 5.46 | 1.4 × 2.2 = 3.08 | 5.0 × 5.9 = 29.5 |
| 8.2 × 5.6 = 45.92 | 6.1 × 1.4 = 8.54 | 7.2 × 8 × 1.25 = 72 |
| 7.8 × 3.4 = 26.52 | 4 × 2.5 × 1.6 = 16 | 4.6 × 0.5 × 2 = 4.6 |
| (4.5 + 2.4) × 1.8 = 12.42 | 3.6 × 2.5 × 4 = 36 | (4.1 + 4.3) × 1.5 = 12.6 |
| 8.8 × 41 = 360.8 | 5.1 × 0.4 = 2.04 | 1.98 × 2.98 ≈ （保留两位小数） 5.90 |
| 9.46 × 9.15 ≈ （保留两位小数） 86.56 | 4.1 × 40 = 164 | 8.6 × 6.7 = 57.62 |
| 2 × 0.5 × 3.6 = 3.6 | 2.81 × 0.97 ≈ （保留两位小数） 2.73 | 7.2 × 1.25 × 8 = 72 |
| 8.5 × 48 = 408 | 2.1 × 3.97 ≈ （保留两位小数） 8.34 | 7.8 × 48 = 374.4 |
| 0.4 × 7.4 = 2.96 | 8 × 6.4 × 1.25 = 64 | 4.3 × 8.1 = 34.83 |
| (4.7 + 4.1) × 4.9 = 43.12 | 2.11 × 9.7 ≈ （保留两位小数） 20.47 | 6.8 × 0.25 × 4 = 6.8 |
| 0.125 × 6.4 × 8 = 6.4 | 4.6 × 3.6 = 16.56 | 5 × 0.2 × 3.5 = 3.5 |
| 2.4 × 7.4 = 17.76 | (4.5 + 2.7) × 2.4 = 17.28 | 9.2 × 29 = 266.8 |
| 5.31 × 6.24 ≈ （保留两位小数） 33.13 | 2.5 × 4 × 3.6 = 36 | 6.61 × 5.83 ≈ （保留两位小数） 38.54 |
| (2.4 + 2.2) × 0.9 = 4.14 | 8.1 × 23 = 186.3 | (0.3 + 0.5) × 3.5 = 2.8 |
| (0.2 + 3.2) × 2.1 = 7.14 | 8.4 × 4 × 0.25 = 8.4 | 5.6 × 42 = 235.2 |
| (4.4 + 4.3) × 1.8 = 15.66 | 2.62 × 4.6 ≈ （保留两位小数） 12.05 |