五年级上册 小数乘法(笔算)
姓名:_______________
学号:_______________
用时:_______________
| 6.7 × 6.9 = | 9.79 × 1.66 ≈ (保留两位小数) | 3.77 × 9.2 ≈ (保留两位小数) |
| (3.0 + 4.4) × 2.8 = | 6.5 × 6 = | 8.5 × 7.0 = |
| 0.25 × 8.4 × 4 = | 0.25 × 8.4 × 4 = | (2.6 + 2.0) × 3.8 = |
| 0.23 × 9.49 ≈ (保留两位小数) | 7.6 × 3.6 = | 1.25 × 3.2 × 8 = |
| 9.22 × 1.21 ≈ (保留两位小数) | 6.57 × 7.25 ≈ (保留两位小数) | 5.6 × 37 = |
| (0.9 + 1.8) × 3.4 = | 3.5 × 5 × 0.2 = | 7.8 × 5 = |
| 4.0 × 5.49 ≈ (保留两位小数) | 0.2 × 7.76 ≈ (保留两位小数) | 3.2 × 8 × 1.25 = |
| 9.7 × 39 = | (0.4 + 1.6) × 0.6 = | (0.8 + 0.3) × 4.6 = |
| 6.4 × 11 = | 7.4 × 11 = | 2.3 × 7.2 = |
| 0.5 × 11 = | 7.87 × 9.71 ≈ (保留两位小数) | 8.79 × 3.2 ≈ (保留两位小数) |
| 6.7 × 9.4 = | 5 × 0.2 × 3.5 = | 0.5 × 3.6 × 2 = |
| 3.08 × 0.83 ≈ (保留两位小数) | (2.2 + 4.3) × 0.9 = | (1.1 + 1.2) × 0.9 = |
| 6.54 × 1.79 ≈ (保留两位小数) | 6.4 × 8 × 1.25 = | 8 × 7.2 × 1.25 = |
| 3.7 × 5.5 = | 7.97 × 8.18 ≈ (保留两位小数) | (2.9 + 2.0) × 1.5 = |
| 6.4 × 0.125 × 8 = | 5.9 × 49 = | 8.8 × 2.9 = |
| 4.8 × 8 × 0.125 = | 0.5 × 3.6 × 2 = | 4.99 × 3.61 ≈ (保留两位小数) |
| 0.25 × 8.4 × 4 = | 6.0 × 4.1 = |
五年级上册 小数乘法(笔算)(答案)
姓名:_______________
学号:_______________
用时:_______________
| 6.7 × 6.9 = 46.23 | 9.79 × 1.66 ≈ (保留两位小数) 16.25 | 3.77 × 9.2 ≈ (保留两位小数) 34.68 |
| (3.0 + 4.4) × 2.8 = 20.72 | 6.5 × 6 = 39 | 8.5 × 7.0 = 59.5 |
| 0.25 × 8.4 × 4 = 8.4 | 0.25 × 8.4 × 4 = 8.4 | (2.6 + 2.0) × 3.8 = 17.48 |
| 0.23 × 9.49 ≈ (保留两位小数) 2.18 | 7.6 × 3.6 = 27.36 | 1.25 × 3.2 × 8 = 32 |
| 9.22 × 1.21 ≈ (保留两位小数) 11.16 | 6.57 × 7.25 ≈ (保留两位小数) 47.63 | 5.6 × 37 = 207.2 |
| (0.9 + 1.8) × 3.4 = 9.18 | 3.5 × 5 × 0.2 = 3.5 | 7.8 × 5 = 39 |
| 4.0 × 5.49 ≈ (保留两位小数) 21.96 | 0.2 × 7.76 ≈ (保留两位小数) 1.55 | 3.2 × 8 × 1.25 = 32 |
| 9.7 × 39 = 378.3 | (0.4 + 1.6) × 0.6 = 1.2 | (0.8 + 0.3) × 4.6 = 5.06 |
| 6.4 × 11 = 70.4 | 7.4 × 11 = 81.4 | 2.3 × 7.2 = 16.56 |
| 0.5 × 11 = 5.5 | 7.87 × 9.71 ≈ (保留两位小数) 76.42 | 8.79 × 3.2 ≈ (保留两位小数) 28.13 |
| 6.7 × 9.4 = 62.98 | 5 × 0.2 × 3.5 = 3.5 | 0.5 × 3.6 × 2 = 3.6 |
| 3.08 × 0.83 ≈ (保留两位小数) 2.56 | (2.2 + 4.3) × 0.9 = 5.85 | (1.1 + 1.2) × 0.9 = 2.07 |
| 6.54 × 1.79 ≈ (保留两位小数) 11.71 | 6.4 × 8 × 1.25 = 64 | 8 × 7.2 × 1.25 = 72 |
| 3.7 × 5.5 = 20.35 | 7.97 × 8.18 ≈ (保留两位小数) 65.19 | (2.9 + 2.0) × 1.5 = 7.35 |
| 6.4 × 0.125 × 8 = 6.4 | 5.9 × 49 = 289.1 | 8.8 × 2.9 = 25.52 |
| 4.8 × 8 × 0.125 = 4.8 | 0.5 × 3.6 × 2 = 3.6 | 4.99 × 3.61 ≈ (保留两位小数) 18.01 |
| 0.25 × 8.4 × 4 = 8.4 | 6.0 × 4.1 = 24.6 |