五年级上册 小数乘法(笔算)
姓名:_______________
学号:_______________
用时:_______________
| 7.8 × 2 = | 2.9 × 4 = | 1.7 × 30 = |
| 0.5 × 2 × 5.8 = | 5.7 × 4.0 = | 5.7 × 9.93 ≈ (保留两位小数) |
| 5 × 3.5 × 0.2 = | 7.5 × 5 = | 9.29 × 5.88 ≈ (保留两位小数) |
| (1.6 + 4.5) × 3.0 = | 4 × 3.6 × 2.5 = | 4.8 × 0.125 × 8 = |
| 4.78 × 0.25 × 4 = | (2.4 + 4.8) × 1.4 = | (2.5 + 0.3) × 1.1 = |
| (2.7 + 0.6) × 3.6 = | 7.8 × 9.7 = | 6.2 × 20 = |
| (0.7 + 1.3) × 2.1 = | 3.6 × 4.9 = | 9.4 × 3.0 = |
| 9.5 × 4.4 = | (4.6 + 1.8) × 2.1 = | 3.91 × 4.41 ≈ (保留两位小数) |
| 5.9 × 45 = | (1.6 + 0.1) × 5.0 = | 4.93 × 9.97 ≈ (保留两位小数) |
| 7.5 × 7.7 = | 0.1 × 9.6 = | 6.9 × 17 = |
| 2.6 × 32 = | 5.8 × 4.2 = | 9.3 × 35 = |
| 1.25 × 8 × 6.4 = | 9.35 × 2.98 ≈ (保留两位小数) | 7.1 × 28 = |
| 9.8 × 26 = | (2.8 + 4.5) × 2.5 = | 0.25 × 4 × 4.78 = |
| 8.7 × 31 = | 4 × 0.25 × 4.78 = | 1.41 × 1.59 ≈ (保留两位小数) |
| 8.9 × 20 = | 3.6 × 2 × 0.5 = | 0.25 × 4 × 6.8 = |
| (0.4 + 2.2) × 4.1 = | 7.89 × 6.94 ≈ (保留两位小数) | 4.7 × 18 = |
| 3.65 × 3.39 ≈ (保留两位小数) | 7.1 × 0.3 = |
五年级上册 小数乘法(笔算)(答案)
姓名:_______________
学号:_______________
用时:_______________
| 7.8 × 2 = 15.6 | 2.9 × 4 = 11.6 | 1.7 × 30 = 51 |
| 0.5 × 2 × 5.8 = 5.8 | 5.7 × 4.0 = 22.8 | 5.7 × 9.93 ≈ (保留两位小数) 56.60 |
| 5 × 3.5 × 0.2 = 3.5 | 7.5 × 5 = 37.5 | 9.29 × 5.88 ≈ (保留两位小数) 54.63 |
| (1.6 + 4.5) × 3.0 = 18.3 | 4 × 3.6 × 2.5 = 36 | 4.8 × 0.125 × 8 = 4.8 |
| 4.78 × 0.25 × 4 = 4.78 | (2.4 + 4.8) × 1.4 = 10.08 | (2.5 + 0.3) × 1.1 = 3.08 |
| (2.7 + 0.6) × 3.6 = 11.88 | 7.8 × 9.7 = 75.66 | 6.2 × 20 = 124 |
| (0.7 + 1.3) × 2.1 = 4.2 | 3.6 × 4.9 = 17.64 | 9.4 × 3.0 = 28.2 |
| 9.5 × 4.4 = 41.8 | (4.6 + 1.8) × 2.1 = 13.44 | 3.91 × 4.41 ≈ (保留两位小数) 17.24 |
| 5.9 × 45 = 265.5 | (1.6 + 0.1) × 5.0 = 8.5 | 4.93 × 9.97 ≈ (保留两位小数) 49.15 |
| 7.5 × 7.7 = 57.75 | 0.1 × 9.6 = 0.96 | 6.9 × 17 = 117.3 |
| 2.6 × 32 = 83.2 | 5.8 × 4.2 = 24.36 | 9.3 × 35 = 325.5 |
| 1.25 × 8 × 6.4 = 64 | 9.35 × 2.98 ≈ (保留两位小数) 27.86 | 7.1 × 28 = 198.8 |
| 9.8 × 26 = 254.8 | (2.8 + 4.5) × 2.5 = 18.25 | 0.25 × 4 × 4.78 = 4.78 |
| 8.7 × 31 = 269.7 | 4 × 0.25 × 4.78 = 4.78 | 1.41 × 1.59 ≈ (保留两位小数) 2.24 |
| 8.9 × 20 = 178 | 3.6 × 2 × 0.5 = 3.6 | 0.25 × 4 × 6.8 = 6.8 |
| (0.4 + 2.2) × 4.1 = 10.66 | 7.89 × 6.94 ≈ (保留两位小数) 54.76 | 4.7 × 18 = 84.6 |
| 3.65 × 3.39 ≈ (保留两位小数) 12.37 | 7.1 × 0.3 = 2.13 |