五年级上册 小数乘法(笔算)
姓名:_______________
学号:_______________
用时:_______________
| 7.5 × 2.8 = | 6.5 × 1.1 = | 7.9 × 7 = |
| 9.77 × 9.77 ≈ (保留两位小数) | (3.8 + 0.4) × 4.8 = | 2.8 × 5 = |
| 8.9 × 40 = | (2.1 + 3.1) × 0.5 = | (3.3 + 4.8) × 0.9 = |
| 0.5 × 45 = | 9.86 × 2.8 ≈ (保留两位小数) | (0.5 + 3.5) × 4.7 = |
| (0.2 + 0.5) × 4.3 = | 3.9 × 6.7 = | 4.0 × 39 = |
| 5.9 × 2.9 = | 1.56 × 8.69 ≈ (保留两位小数) | (2.3 + 3.4) × 4.9 = |
| 6.1 × 4.0 = | 4.2 × 21 = | 2.7 × 20 = |
| 0.5 × 3.6 × 2 = | 1.0 × 15 = | 0.7 × 48 = |
| 7.4 × 9.9 = | 2.7 × 8.59 ≈ (保留两位小数) | 6.16 × 1.95 ≈ (保留两位小数) |
| 1.7 × 6 = | 6.7 × 21 = | 0.5 × 3.6 × 2 = |
| 2.4 × 5.4 = | 7.51 × 4.36 ≈ (保留两位小数) | 8.48 × 9.77 ≈ (保留两位小数) |
| 1.18 × 9.77 ≈ (保留两位小数) | 7.2 × 8 × 1.25 = | (3.8 + 4.3) × 4.2 = |
| 6.4 × 1.25 × 8 = | 8.87 × 4.62 ≈ (保留两位小数) | 4.47 × 8.54 ≈ (保留两位小数) |
| (1.6 + 3.1) × 1.3 = | 9.07 × 3.81 ≈ (保留两位小数) | (2.8 + 1.8) × 4.0 = |
| 3.64 × 9.01 ≈ (保留两位小数) | 1.25 × 8 × 3.2 = | 2.6 × 35 = |
| 1.9 × 24 = | 2.5 × 3.6 × 4 = | 1.42 × 0.2 ≈ (保留两位小数) |
| 3.4 × 5.0 = | 4 × 2.5 × 1.6 = |
五年级上册 小数乘法(笔算)(答案)
姓名:_______________
学号:_______________
用时:_______________
| 7.5 × 2.8 = 21 | 6.5 × 1.1 = 7.15 | 7.9 × 7 = 55.3 |
| 9.77 × 9.77 ≈ (保留两位小数) 95.45 | (3.8 + 0.4) × 4.8 = 20.16 | 2.8 × 5 = 14 |
| 8.9 × 40 = 356 | (2.1 + 3.1) × 0.5 = 2.6 | (3.3 + 4.8) × 0.9 = 7.29 |
| 0.5 × 45 = 22.5 | 9.86 × 2.8 ≈ (保留两位小数) 27.61 | (0.5 + 3.5) × 4.7 = 18.8 |
| (0.2 + 0.5) × 4.3 = 3.01 | 3.9 × 6.7 = 26.13 | 4.0 × 39 = 156 |
| 5.9 × 2.9 = 17.11 | 1.56 × 8.69 ≈ (保留两位小数) 13.56 | (2.3 + 3.4) × 4.9 = 27.93 |
| 6.1 × 4.0 = 24.4 | 4.2 × 21 = 88.2 | 2.7 × 20 = 54 |
| 0.5 × 3.6 × 2 = 3.6 | 1.0 × 15 = 15 | 0.7 × 48 = 33.6 |
| 7.4 × 9.9 = 73.26 | 2.7 × 8.59 ≈ (保留两位小数) 23.19 | 6.16 × 1.95 ≈ (保留两位小数) 12.01 |
| 1.7 × 6 = 10.2 | 6.7 × 21 = 140.7 | 0.5 × 3.6 × 2 = 3.6 |
| 2.4 × 5.4 = 12.96 | 7.51 × 4.36 ≈ (保留两位小数) 32.74 | 8.48 × 9.77 ≈ (保留两位小数) 82.85 |
| 1.18 × 9.77 ≈ (保留两位小数) 11.53 | 7.2 × 8 × 1.25 = 72 | (3.8 + 4.3) × 4.2 = 34.02 |
| 6.4 × 1.25 × 8 = 64 | 8.87 × 4.62 ≈ (保留两位小数) 40.98 | 4.47 × 8.54 ≈ (保留两位小数) 38.17 |
| (1.6 + 3.1) × 1.3 = 6.11 | 9.07 × 3.81 ≈ (保留两位小数) 34.56 | (2.8 + 1.8) × 4.0 = 18.4 |
| 3.64 × 9.01 ≈ (保留两位小数) 32.80 | 1.25 × 8 × 3.2 = 32 | 2.6 × 35 = 91 |
| 1.9 × 24 = 45.6 | 2.5 × 3.6 × 4 = 36 | 1.42 × 0.2 ≈ (保留两位小数) 0.28 |
| 3.4 × 5.0 = 17 | 4 × 2.5 × 1.6 = 16 |