五年级上册 小数乘法(笔算)
姓名:_______________
学号:_______________
用时:_______________
| 7.39 × 2.69 ≈ (保留两位小数) | 7.5 × 17 = | 5.8 × 7.4 = |
| 3.2 × 1.0 = | 7.2 × 8 × 1.25 = | 3.01 × 9.06 ≈ (保留两位小数) |
| 9.42 × 3.93 ≈ (保留两位小数) | 4.33 × 1.97 ≈ (保留两位小数) | 2.5 × 28 = |
| 0.125 × 4.8 × 8 = | 3.0 × 6.0 = | 9.5 × 6.1 = |
| 3.0 × 3.7 = | 5.6 × 1.1 = | 4.9 × 8 = |
| 3.9 × 16 = | 2.8 × 18 = | (1.4 + 4.4) × 3.3 = |
| 6.96 × 1.3 ≈ (保留两位小数) | 6.4 × 8 × 1.25 = | 9.42 × 8.07 ≈ (保留两位小数) |
| (4.9 + 2.5) × 1.2 = | 5.12 × 7.99 ≈ (保留两位小数) | 0.5 × 5.6 = |
| 1.4 × 16 = | 1.25 × 8 × 6.4 = | 4 × 0.25 × 8.4 = |
| (4.3 + 1.6) × 3.4 = | 9.53 × 8.61 ≈ (保留两位小数) | (4.9 + 2.8) × 3.0 = |
| 5.25 × 3.2 ≈ (保留两位小数) | (0.8 + 4.0) × 2.9 = | 6.56 × 0.92 ≈ (保留两位小数) |
| 8.24 × 3.09 ≈ (保留两位小数) | (3.6 + 2.3) × 1.8 = | 9.7 × 49 = |
| (2.7 + 2.1) × 2.6 = | 3.6 × 49 = | 6.1 × 0.8 = |
| 0.3 × 3.6 = | 0.125 × 6.4 × 8 = | 2 × 3.6 × 0.5 = |
| 8.07 × 2.02 ≈ (保留两位小数) | 5.6 × 25 = | 4.92 × 7.81 ≈ (保留两位小数) |
| (0.2 + 1.4) × 4.9 = | 3.7 × 4.4 = | 0.5 × 2 × 4.6 = |
| 9.26 × 0.65 ≈ (保留两位小数) | 0.9 × 1.1 = |
五年级上册 小数乘法(笔算)(答案)
姓名:_______________
学号:_______________
用时:_______________
| 7.39 × 2.69 ≈ (保留两位小数) 19.88 | 7.5 × 17 = 127.5 | 5.8 × 7.4 = 42.92 |
| 3.2 × 1.0 = 3.2 | 7.2 × 8 × 1.25 = 72 | 3.01 × 9.06 ≈ (保留两位小数) 27.27 |
| 9.42 × 3.93 ≈ (保留两位小数) 37.02 | 4.33 × 1.97 ≈ (保留两位小数) 8.53 | 2.5 × 28 = 70 |
| 0.125 × 4.8 × 8 = 4.8 | 3.0 × 6.0 = 18 | 9.5 × 6.1 = 57.95 |
| 3.0 × 3.7 = 11.1 | 5.6 × 1.1 = 6.16 | 4.9 × 8 = 39.2 |
| 3.9 × 16 = 62.4 | 2.8 × 18 = 50.4 | (1.4 + 4.4) × 3.3 = 19.14 |
| 6.96 × 1.3 ≈ (保留两位小数) 9.05 | 6.4 × 8 × 1.25 = 64 | 9.42 × 8.07 ≈ (保留两位小数) 76.02 |
| (4.9 + 2.5) × 1.2 = 8.88 | 5.12 × 7.99 ≈ (保留两位小数) 40.91 | 0.5 × 5.6 = 2.8 |
| 1.4 × 16 = 22.4 | 1.25 × 8 × 6.4 = 64 | 4 × 0.25 × 8.4 = 8.4 |
| (4.3 + 1.6) × 3.4 = 20.06 | 9.53 × 8.61 ≈ (保留两位小数) 82.05 | (4.9 + 2.8) × 3.0 = 23.1 |
| 5.25 × 3.2 ≈ (保留两位小数) 16.80 | (0.8 + 4.0) × 2.9 = 13.92 | 6.56 × 0.92 ≈ (保留两位小数) 6.04 |
| 8.24 × 3.09 ≈ (保留两位小数) 25.46 | (3.6 + 2.3) × 1.8 = 10.62 | 9.7 × 49 = 475.3 |
| (2.7 + 2.1) × 2.6 = 12.48 | 3.6 × 49 = 176.4 | 6.1 × 0.8 = 4.88 |
| 0.3 × 3.6 = 1.08 | 0.125 × 6.4 × 8 = 6.4 | 2 × 3.6 × 0.5 = 3.6 |
| 8.07 × 2.02 ≈ (保留两位小数) 16.30 | 5.6 × 25 = 140 | 4.92 × 7.81 ≈ (保留两位小数) 38.43 |
| (0.2 + 1.4) × 4.9 = 7.84 | 3.7 × 4.4 = 16.28 | 0.5 × 2 × 4.6 = 4.6 |
| 9.26 × 0.65 ≈ (保留两位小数) 6.02 | 0.9 × 1.1 = 0.99 |