五年级上册 小数乘法(笔算)
姓名:_______________
学号:_______________
用时:_______________
| 8.47 × 3.76 ≈ (保留两位小数) | 0.44 × 2.23 ≈ (保留两位小数) | 5.08 × 5.33 ≈ (保留两位小数) |
| 1.9 × 43 = | (0.9 + 3.3) × 3.9 = | (4.7 + 1.1) × 2.3 = |
| 1.28 × 9.29 ≈ (保留两位小数) | 4.7 × 14 = | 0.3 × 6.3 = |
| (4.2 + 0.5) × 4.3 = | 4.76 × 4.38 ≈ (保留两位小数) | 1.25 × 3.2 × 8 = |
| 5.9 × 8.7 = | 7.7 × 7.5 = | 8.81 × 6.82 ≈ (保留两位小数) |
| 0.6 × 8.7 = | (4.6 + 1.8) × 2.1 = | 5.8 × 3.5 = |
| 9.3 × 13 = | (0.2 + 3.7) × 1.3 = | 5.68 × 2.41 ≈ (保留两位小数) |
| 3.9 × 18 = | (0.9 + 0.7) × 2.5 = | 4.6 × 0.5 × 2 = |
| (1.5 + 4.1) × 2.7 = | 1.8 × 2.7 = | 4 × 0.25 × 8.4 = |
| 6.58 × 8.48 ≈ (保留两位小数) | 6.4 × 23 = | (1.5 + 3.7) × 2.6 = |
| 8 × 7.2 × 1.25 = | (3.0 + 0.7) × 0.6 = | 5.6 × 9.82 ≈ (保留两位小数) |
| (1.4 + 3.2) × 2.3 = | 0.36 × 5.25 ≈ (保留两位小数) | 4.4 × 10 = |
| 0.25 × 4 × 8.4 = | 9.5 × 6.7 = | 7.1 × 2.9 = |
| 9.01 × 7.45 ≈ (保留两位小数) | 2.2 × 33 = | 4.0 × 21 = |
| 3.8 × 9.9 = | (0.9 + 0.6) × 3.4 = | 2.78 × 8.81 ≈ (保留两位小数) |
| 1.4 × 11 = | 3.3 × 50 = | 3.31 × 9.62 ≈ (保留两位小数) |
| 3.5 × 5 × 0.2 = | 5.6 × 12 = |
五年级上册 小数乘法(笔算)(答案)
姓名:_______________
学号:_______________
用时:_______________
| 8.47 × 3.76 ≈ (保留两位小数) 31.85 | 0.44 × 2.23 ≈ (保留两位小数) 0.98 | 5.08 × 5.33 ≈ (保留两位小数) 27.08 |
| 1.9 × 43 = 81.7 | (0.9 + 3.3) × 3.9 = 16.38 | (4.7 + 1.1) × 2.3 = 13.34 |
| 1.28 × 9.29 ≈ (保留两位小数) 11.89 | 4.7 × 14 = 65.8 | 0.3 × 6.3 = 1.89 |
| (4.2 + 0.5) × 4.3 = 20.21 | 4.76 × 4.38 ≈ (保留两位小数) 20.85 | 1.25 × 3.2 × 8 = 32 |
| 5.9 × 8.7 = 51.33 | 7.7 × 7.5 = 57.75 | 8.81 × 6.82 ≈ (保留两位小数) 60.08 |
| 0.6 × 8.7 = 5.22 | (4.6 + 1.8) × 2.1 = 13.44 | 5.8 × 3.5 = 20.3 |
| 9.3 × 13 = 120.9 | (0.2 + 3.7) × 1.3 = 5.07 | 5.68 × 2.41 ≈ (保留两位小数) 13.69 |
| 3.9 × 18 = 70.2 | (0.9 + 0.7) × 2.5 = 4 | 4.6 × 0.5 × 2 = 4.6 |
| (1.5 + 4.1) × 2.7 = 15.12 | 1.8 × 2.7 = 4.86 | 4 × 0.25 × 8.4 = 8.4 |
| 6.58 × 8.48 ≈ (保留两位小数) 55.80 | 6.4 × 23 = 147.2 | (1.5 + 3.7) × 2.6 = 13.52 |
| 8 × 7.2 × 1.25 = 72 | (3.0 + 0.7) × 0.6 = 2.22 | 5.6 × 9.82 ≈ (保留两位小数) 54.99 |
| (1.4 + 3.2) × 2.3 = 10.58 | 0.36 × 5.25 ≈ (保留两位小数) 1.89 | 4.4 × 10 = 44 |
| 0.25 × 4 × 8.4 = 8.4 | 9.5 × 6.7 = 63.65 | 7.1 × 2.9 = 20.59 |
| 9.01 × 7.45 ≈ (保留两位小数) 67.12 | 2.2 × 33 = 72.6 | 4.0 × 21 = 84 |
| 3.8 × 9.9 = 37.62 | (0.9 + 0.6) × 3.4 = 5.1 | 2.78 × 8.81 ≈ (保留两位小数) 24.49 |
| 1.4 × 11 = 15.4 | 3.3 × 50 = 165 | 3.31 × 9.62 ≈ (保留两位小数) 31.84 |
| 3.5 × 5 × 0.2 = 3.5 | 5.6 × 12 = 67.2 |