五年级上册 小数乘法(笔算)
姓名:_______________
学号:_______________
用时:_______________
| 7.7 × 8 = | 8.8 × 3.5 = | 8.23 × 0.93 ≈ (保留两位小数) |
| 7.2 × 8 × 1.25 = | 0.4 × 47 = | (3.3 + 1.0) × 3.0 = |
| 6.29 × 0.55 ≈ (保留两位小数) | 7.38 × 8.64 ≈ (保留两位小数) | 0.5 × 2 × 3.6 = |
| 0.5 × 5.8 × 2 = | 4 × 3.6 × 2.5 = | 5.8 × 0.5 × 2 = |
| 5.3 × 12 = | 2.5 × 1.6 × 4 = | 8.05 × 5.77 ≈ (保留两位小数) |
| 8.6 × 0.61 ≈ (保留两位小数) | (0.4 + 4.7) × 4.7 = | 4.2 × 0.4 = |
| 0.5 × 9.4 = | 0.25 × 4 × 4.78 = | (4.9 + 4.3) × 0.5 = |
| (4.2 + 2.1) × 3.8 = | 4.21 × 2.45 ≈ (保留两位小数) | 6.41 × 2.26 ≈ (保留两位小数) |
| 2.52 × 4.14 ≈ (保留两位小数) | 8 × 4.8 × 0.125 = | 9.72 × 1.32 ≈ (保留两位小数) |
| 2.7 × 17 = | 7.91 × 1.13 ≈ (保留两位小数) | 0.8 × 5.38 ≈ (保留两位小数) |
| 9.9 × 8.9 = | (1.3 + 4.1) × 3.0 = | (4.9 + 4.8) × 3.5 = |
| 2.4 × 0.2 = | 2.1 × 32 = | (1.6 + 4.0) × 0.9 = |
| 3.34 × 5.71 ≈ (保留两位小数) | (4.6 + 0.9) × 4.5 = | 6.76 × 1.14 ≈ (保留两位小数) |
| 8.9 × 7.6 = | 4.09 × 1.08 ≈ (保留两位小数) | (1.8 + 3.1) × 4.5 = |
| 8.36 × 1.75 ≈ (保留两位小数) | (2.0 + 4.2) × 0.7 = | (1.3 + 0.8) × 4.3 = |
| 0.6 × 35 = | 9.4 × 7 = | (1.5 + 1.6) × 4.8 = |
| 9.62 × 0.82 ≈ (保留两位小数) | 6.4 × 45 = |
五年级上册 小数乘法(笔算)(答案)
姓名:_______________
学号:_______________
用时:_______________
| 7.7 × 8 = 61.6 | 8.8 × 3.5 = 30.8 | 8.23 × 0.93 ≈ (保留两位小数) 7.65 |
| 7.2 × 8 × 1.25 = 72 | 0.4 × 47 = 18.8 | (3.3 + 1.0) × 3.0 = 12.9 |
| 6.29 × 0.55 ≈ (保留两位小数) 3.46 | 7.38 × 8.64 ≈ (保留两位小数) 63.76 | 0.5 × 2 × 3.6 = 3.6 |
| 0.5 × 5.8 × 2 = 5.8 | 4 × 3.6 × 2.5 = 36 | 5.8 × 0.5 × 2 = 5.8 |
| 5.3 × 12 = 63.6 | 2.5 × 1.6 × 4 = 16 | 8.05 × 5.77 ≈ (保留两位小数) 46.45 |
| 8.6 × 0.61 ≈ (保留两位小数) 5.25 | (0.4 + 4.7) × 4.7 = 23.97 | 4.2 × 0.4 = 1.68 |
| 0.5 × 9.4 = 4.7 | 0.25 × 4 × 4.78 = 4.78 | (4.9 + 4.3) × 0.5 = 4.6 |
| (4.2 + 2.1) × 3.8 = 23.94 | 4.21 × 2.45 ≈ (保留两位小数) 10.31 | 6.41 × 2.26 ≈ (保留两位小数) 14.49 |
| 2.52 × 4.14 ≈ (保留两位小数) 10.43 | 8 × 4.8 × 0.125 = 4.8 | 9.72 × 1.32 ≈ (保留两位小数) 12.83 |
| 2.7 × 17 = 45.9 | 7.91 × 1.13 ≈ (保留两位小数) 8.94 | 0.8 × 5.38 ≈ (保留两位小数) 4.30 |
| 9.9 × 8.9 = 88.11 | (1.3 + 4.1) × 3.0 = 16.2 | (4.9 + 4.8) × 3.5 = 33.95 |
| 2.4 × 0.2 = 0.48 | 2.1 × 32 = 67.2 | (1.6 + 4.0) × 0.9 = 5.04 |
| 3.34 × 5.71 ≈ (保留两位小数) 19.07 | (4.6 + 0.9) × 4.5 = 24.75 | 6.76 × 1.14 ≈ (保留两位小数) 7.71 |
| 8.9 × 7.6 = 67.64 | 4.09 × 1.08 ≈ (保留两位小数) 4.42 | (1.8 + 3.1) × 4.5 = 22.05 |
| 8.36 × 1.75 ≈ (保留两位小数) 14.63 | (2.0 + 4.2) × 0.7 = 4.34 | (1.3 + 0.8) × 4.3 = 9.03 |
| 0.6 × 35 = 21 | 9.4 × 7 = 65.8 | (1.5 + 1.6) × 4.8 = 14.88 |
| 9.62 × 0.82 ≈ (保留两位小数) 7.89 | 6.4 × 45 = 288 |