五年级上册 小数乘法(笔算)
姓名:_______________
学号:_______________
用时:_______________
| 5.62 × 1.47 ≈ (保留两位小数) | 5.59 × 6.6 ≈ (保留两位小数) | 9.54 × 8.55 ≈ (保留两位小数) |
| 2.03 × 1.06 ≈ (保留两位小数) | (1.1 + 1.8) × 0.4 = | (4.2 + 0.9) × 1.9 = |
| 8.9 × 1.0 = | 0.2 × 5 × 4.5 = | 4.8 × 8 × 0.125 = |
| 7.1 × 0.6 = | (2.1 + 2.4) × 2.4 = | 5.0 × 0.8 = |
| 8.0 × 2.6 = | 1.2 × 37 = | 3.6 × 4 × 2.5 = |
| 3.6 × 4.0 = | 4.4 × 5.8 = | 6.2 × 11 = |
| 4.7 × 10 = | 6.8 × 0.25 × 4 = | (3.7 + 0.9) × 4.4 = |
| (3.1 + 4.7) × 0.8 = | 5.9 × 21 = | 5.8 × 0.7 = |
| (0.1 + 0.2) × 3.2 = | 2.0 × 7.1 ≈ (保留两位小数) | 4.8 × 0.125 × 8 = |
| 1.25 × 8 × 7.2 = | (2.3 + 3.0) × 2.5 = | 5.36 × 8.92 ≈ (保留两位小数) |
| (4.6 + 1.4) × 3.1 = | 2.2 × 10.0 = | 5.5 × 6.8 = |
| 8.2 × 9 = | 6.4 × 0.125 × 8 = | (1.6 + 2.1) × 4.4 = |
| 4.5 × 0.2 × 5 = | 3.2 × 8 × 1.25 = | (4.3 + 0.8) × 2.9 = |
| 3.0 × 0.4 = | 1.25 × 6.4 × 8 = | 7.2 × 8 × 1.25 = |
| 5.8 × 2 × 0.5 = | 8 × 1.25 × 7.2 = | 3.6 × 2 × 0.5 = |
| 3.18 × 8.14 ≈ (保留两位小数) | (1.9 + 0.1) × 3.1 = | 6.31 × 1.39 ≈ (保留两位小数) |
| 0.99 × 2.99 ≈ (保留两位小数) | 5.5 × 34 = |
五年级上册 小数乘法(笔算)(答案)
姓名:_______________
学号:_______________
用时:_______________
| 5.62 × 1.47 ≈ (保留两位小数) 8.26 | 5.59 × 6.6 ≈ (保留两位小数) 36.89 | 9.54 × 8.55 ≈ (保留两位小数) 81.57 |
| 2.03 × 1.06 ≈ (保留两位小数) 2.15 | (1.1 + 1.8) × 0.4 = 1.16 | (4.2 + 0.9) × 1.9 = 9.69 |
| 8.9 × 1.0 = 8.9 | 0.2 × 5 × 4.5 = 4.5 | 4.8 × 8 × 0.125 = 4.8 |
| 7.1 × 0.6 = 4.26 | (2.1 + 2.4) × 2.4 = 10.8 | 5.0 × 0.8 = 4 |
| 8.0 × 2.6 = 20.8 | 1.2 × 37 = 44.4 | 3.6 × 4 × 2.5 = 36 |
| 3.6 × 4.0 = 14.4 | 4.4 × 5.8 = 25.52 | 6.2 × 11 = 68.2 |
| 4.7 × 10 = 47 | 6.8 × 0.25 × 4 = 6.8 | (3.7 + 0.9) × 4.4 = 20.24 |
| (3.1 + 4.7) × 0.8 = 6.24 | 5.9 × 21 = 123.9 | 5.8 × 0.7 = 4.06 |
| (0.1 + 0.2) × 3.2 = 0.96 | 2.0 × 7.1 ≈ (保留两位小数) 14.20 | 4.8 × 0.125 × 8 = 4.8 |
| 1.25 × 8 × 7.2 = 72 | (2.3 + 3.0) × 2.5 = 13.25 | 5.36 × 8.92 ≈ (保留两位小数) 47.81 |
| (4.6 + 1.4) × 3.1 = 18.6 | 2.2 × 10.0 = 22 | 5.5 × 6.8 = 37.4 |
| 8.2 × 9 = 73.8 | 6.4 × 0.125 × 8 = 6.4 | (1.6 + 2.1) × 4.4 = 16.28 |
| 4.5 × 0.2 × 5 = 4.5 | 3.2 × 8 × 1.25 = 32 | (4.3 + 0.8) × 2.9 = 14.79 |
| 3.0 × 0.4 = 1.2 | 1.25 × 6.4 × 8 = 64 | 7.2 × 8 × 1.25 = 72 |
| 5.8 × 2 × 0.5 = 5.8 | 8 × 1.25 × 7.2 = 72 | 3.6 × 2 × 0.5 = 3.6 |
| 3.18 × 8.14 ≈ (保留两位小数) 25.89 | (1.9 + 0.1) × 3.1 = 6.2 | 6.31 × 1.39 ≈ (保留两位小数) 8.77 |
| 0.99 × 2.99 ≈ (保留两位小数) 2.96 | 5.5 × 34 = 187 |