五年级上册 小数乘法(笔算)
姓名:_______________
学号:_______________
用时:_______________
| 4.53 × 0.46 ≈ (保留两位小数) | (3.0 + 0.3) × 3.9 = | 9.5 × 44 = |
| 3.0 × 5.2 = | (1.7 + 3.4) × 4.9 = | 4 × 0.25 × 4.78 = |
| 1.63 × 9.17 ≈ (保留两位小数) | 1.6 × 2.5 × 4 = | 3.6 × 2 × 0.5 = |
| 8.1 × 8.4 = | (3.2 + 4.9) × 2.5 = | 5.7 × 8.0 = |
| (1.0 + 2.3) × 2.2 = | 2.7 × 9.3 = | 7.53 × 0.47 ≈ (保留两位小数) |
| (3.9 + 4.8) × 4.5 = | 9.6 × 8.6 = | 4.6 × 2 × 0.5 = |
| 9.19 × 2.82 ≈ (保留两位小数) | (2.4 + 1.2) × 3.3 = | 8.0 × 8.0 = |
| 6.6 × 35 = | 8.2 × 5.8 = | 0.15 × 1.25 ≈ (保留两位小数) |
| 7.1 × 9.7 = | 7.52 × 1.94 ≈ (保留两位小数) | 2.9 × 49 = |
| 4.5 × 5 × 0.2 = | 3.6 × 0.5 × 2 = | 4.8 × 0.125 × 8 = |
| 9.7 × 7.3 = | 6.1 × 33 = | 7.2 × 8 × 1.25 = |
| (2.3 + 3.8) × 3.8 = | 3.88 × 4.32 ≈ (保留两位小数) | 9.2 × 43 = |
| 2.5 × 40 = | 2.5 × 26 = | 6.5 × 1.2 = |
| (4.1 + 3.1) × 0.9 = | 2.3 × 13 = | 5.2 × 9.0 = |
| 9.68 × 5.91 ≈ (保留两位小数) | 1.5 × 1.5 = | (3.1 + 2.1) × 1.4 = |
| 1.04 × 1.12 ≈ (保留两位小数) | 6.1 × 26 = | 5.6 × 14 = |
| 4.5 × 49 = | 6.98 × 8.57 ≈ (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:_______________
| 4.53 × 0.46 ≈ (保留两位小数) 2.08 | (3.0 + 0.3) × 3.9 = 12.87 | 9.5 × 44 = 418 |
| 3.0 × 5.2 = 15.6 | (1.7 + 3.4) × 4.9 = 24.99 | 4 × 0.25 × 4.78 = 4.78 |
| 1.63 × 9.17 ≈ (保留两位小数) 14.95 | 1.6 × 2.5 × 4 = 16 | 3.6 × 2 × 0.5 = 3.6 |
| 8.1 × 8.4 = 68.04 | (3.2 + 4.9) × 2.5 = 20.25 | 5.7 × 8.0 = 45.6 |
| (1.0 + 2.3) × 2.2 = 7.26 | 2.7 × 9.3 = 25.11 | 7.53 × 0.47 ≈ (保留两位小数) 3.54 |
| (3.9 + 4.8) × 4.5 = 39.15 | 9.6 × 8.6 = 82.56 | 4.6 × 2 × 0.5 = 4.6 |
| 9.19 × 2.82 ≈ (保留两位小数) 25.92 | (2.4 + 1.2) × 3.3 = 11.88 | 8.0 × 8.0 = 64 |
| 6.6 × 35 = 231 | 8.2 × 5.8 = 47.56 | 0.15 × 1.25 ≈ (保留两位小数) 0.19 |
| 7.1 × 9.7 = 68.87 | 7.52 × 1.94 ≈ (保留两位小数) 14.59 | 2.9 × 49 = 142.1 |
| 4.5 × 5 × 0.2 = 4.5 | 3.6 × 0.5 × 2 = 3.6 | 4.8 × 0.125 × 8 = 4.8 |
| 9.7 × 7.3 = 70.81 | 6.1 × 33 = 201.3 | 7.2 × 8 × 1.25 = 72 |
| (2.3 + 3.8) × 3.8 = 23.18 | 3.88 × 4.32 ≈ (保留两位小数) 16.76 | 9.2 × 43 = 395.6 |
| 2.5 × 40 = 100 | 2.5 × 26 = 65 | 6.5 × 1.2 = 7.8 |
| (4.1 + 3.1) × 0.9 = 6.48 | 2.3 × 13 = 29.9 | 5.2 × 9.0 = 46.8 |
| 9.68 × 5.91 ≈ (保留两位小数) 57.21 | 1.5 × 1.5 = 2.25 | (3.1 + 2.1) × 1.4 = 7.28 |
| 1.04 × 1.12 ≈ (保留两位小数) 1.16 | 6.1 × 26 = 158.6 | 5.6 × 14 = 78.4 |
| 4.5 × 49 = 220.5 | 6.98 × 8.57 ≈ (保留两位小数) 59.82 |