五年级上册 小数乘法(笔算)
姓名:_______________
学号:_______________
用时:_______________
| 3.7 × 2.0 ≈ (保留两位小数) | 1.75 × 7.19 ≈ (保留两位小数) | (4.3 + 0.5) × 0.5 = |
| 2 × 0.5 × 4.6 = | 9.1 × 1.9 = | 9.4 × 6.8 = |
| 9.05 × 5.03 ≈ (保留两位小数) | (0.7 + 4.8) × 2.1 = | 0.56 × 1.6 ≈ (保留两位小数) |
| 5.5 × 26 = | (4.2 + 4.1) × 2.3 = | (3.1 + 1.2) × 3.0 = |
| 9.9 × 39 = | 6.2 × 47 = | (0.3 + 2.2) × 3.5 = |
| 5.0 × 28 = | 4.7 × 2 = | 5.9 × 2.7 = |
| 7.4 × 46 = | 9.7 × 3.2 = | 2.1 × 8.1 = |
| 7.92 × 9.37 ≈ (保留两位小数) | 4 × 2.5 × 3.6 = | 3.31 × 4.92 ≈ (保留两位小数) |
| (1.4 + 3.0) × 2.2 = | 9.91 × 4.77 ≈ (保留两位小数) | (2.0 + 1.1) × 1.9 = |
| 3.6 × 0.5 × 2 = | 2.2 × 3.91 ≈ (保留两位小数) | 7.51 × 3.06 ≈ (保留两位小数) |
| 3.2 × 5.0 = | (4.0 + 4.6) × 3.9 = | 9.8 × 4 = |
| 2.9 × 9.91 ≈ (保留两位小数) | 7.8 × 48 = | 8.0 × 39 = |
| 3.6 × 27 = | (0.3 + 2.4) × 4.1 = | 7.64 × 4.42 ≈ (保留两位小数) |
| (4.0 + 0.9) × 0.7 = | 0.5 × 3.6 × 2 = | 8.4 × 0.25 × 4 = |
| 6.4 × 1.25 × 8 = | 1.55 × 5.82 ≈ (保留两位小数) | 7.0 × 50 = |
| 0.2 × 3.5 × 5 = | (0.3 + 0.8) × 3.6 = | 8.36 × 5.81 ≈ (保留两位小数) |
| 5.5 × 9.2 = | 3.5 × 28 = |
五年级上册 小数乘法(笔算)(答案)
姓名:_______________
学号:_______________
用时:_______________
| 3.7 × 2.0 ≈ (保留两位小数) 7.40 | 1.75 × 7.19 ≈ (保留两位小数) 12.58 | (4.3 + 0.5) × 0.5 = 2.4 |
| 2 × 0.5 × 4.6 = 4.6 | 9.1 × 1.9 = 17.29 | 9.4 × 6.8 = 63.92 |
| 9.05 × 5.03 ≈ (保留两位小数) 45.52 | (0.7 + 4.8) × 2.1 = 11.55 | 0.56 × 1.6 ≈ (保留两位小数) 0.90 |
| 5.5 × 26 = 143 | (4.2 + 4.1) × 2.3 = 19.09 | (3.1 + 1.2) × 3.0 = 12.9 |
| 9.9 × 39 = 386.1 | 6.2 × 47 = 291.4 | (0.3 + 2.2) × 3.5 = 8.75 |
| 5.0 × 28 = 140 | 4.7 × 2 = 9.4 | 5.9 × 2.7 = 15.93 |
| 7.4 × 46 = 340.4 | 9.7 × 3.2 = 31.04 | 2.1 × 8.1 = 17.01 |
| 7.92 × 9.37 ≈ (保留两位小数) 74.21 | 4 × 2.5 × 3.6 = 36 | 3.31 × 4.92 ≈ (保留两位小数) 16.29 |
| (1.4 + 3.0) × 2.2 = 9.68 | 9.91 × 4.77 ≈ (保留两位小数) 47.27 | (2.0 + 1.1) × 1.9 = 5.89 |
| 3.6 × 0.5 × 2 = 3.6 | 2.2 × 3.91 ≈ (保留两位小数) 8.60 | 7.51 × 3.06 ≈ (保留两位小数) 22.98 |
| 3.2 × 5.0 = 16 | (4.0 + 4.6) × 3.9 = 33.54 | 9.8 × 4 = 39.2 |
| 2.9 × 9.91 ≈ (保留两位小数) 28.74 | 7.8 × 48 = 374.4 | 8.0 × 39 = 312 |
| 3.6 × 27 = 97.2 | (0.3 + 2.4) × 4.1 = 11.07 | 7.64 × 4.42 ≈ (保留两位小数) 33.77 |
| (4.0 + 0.9) × 0.7 = 3.43 | 0.5 × 3.6 × 2 = 3.6 | 8.4 × 0.25 × 4 = 8.4 |
| 6.4 × 1.25 × 8 = 64 | 1.55 × 5.82 ≈ (保留两位小数) 9.02 | 7.0 × 50 = 350 |
| 0.2 × 3.5 × 5 = 3.5 | (0.3 + 0.8) × 3.6 = 3.96 | 8.36 × 5.81 ≈ (保留两位小数) 48.57 |
| 5.5 × 9.2 = 50.6 | 3.5 × 28 = 98 |