五年级上册 小数乘法(笔算)
姓名:_______________
学号:_______________
用时:_______________
| 1.34 × 2.81 ≈ (保留两位小数) | 1.3 × 4 = | 9.2 × 3.5 = |
| 6.39 × 2.45 ≈ (保留两位小数) | 6.1 × 8.65 ≈ (保留两位小数) | 6.31 × 3.1 ≈ (保留两位小数) |
| 7.6 × 48 = | (0.1 + 4.1) × 1.1 = | 7.0 × 24 = |
| 5.9 × 29 = | 8.42 × 1.96 ≈ (保留两位小数) | 5.9 × 47 = |
| 6.0 × 41 = | 8 × 6.4 × 1.25 = | (3.6 + 4.0) × 0.7 = |
| (2.5 + 0.8) × 4.1 = | 5.56 × 9.57 ≈ (保留两位小数) | 4.62 × 0.3 ≈ (保留两位小数) |
| (4.1 + 2.8) × 0.6 = | 3.62 × 0.76 ≈ (保留两位小数) | 6.5 × 0.8 = |
| 9.1 × 48 = | 1.27 × 5.72 ≈ (保留两位小数) | 8.0 × 21 = |
| (0.4 + 1.1) × 0.4 = | (2.1 + 4.2) × 1.6 = | 4.47 × 8.21 ≈ (保留两位小数) |
| 7.4 × 7.73 ≈ (保留两位小数) | 0.7 × 1.9 = | 8.1 × 6.89 ≈ (保留两位小数) |
| 3.7 × 12 = | 3.59 × 2.58 ≈ (保留两位小数) | 6.0 × 3.7 = |
| 8.07 × 5.64 ≈ (保留两位小数) | (4.5 + 2.8) × 3.5 = | 1.9 × 12 = |
| 7.5 × 34 = | 3.3 × 16 = | 4.6 × 2 × 0.5 = |
| (2.2 + 0.4) × 3.8 = | 9.0 × 13 = | 5.11 × 9.04 ≈ (保留两位小数) |
| 2.1 × 2.1 = | 7.78 × 4.16 ≈ (保留两位小数) | 3.9 × 1.3 = |
| 0.25 × 4 × 6.8 = | 9.7 × 2.3 = | 5.1 × 5.5 = |
| (0.5 + 0.6) × 4.8 = | 2.22 × 4.28 ≈ (保留两位小数) |
五年级上册 小数乘法(笔算)(答案)
姓名:_______________
学号:_______________
用时:_______________
| 1.34 × 2.81 ≈ (保留两位小数) 3.77 | 1.3 × 4 = 5.2 | 9.2 × 3.5 = 32.2 |
| 6.39 × 2.45 ≈ (保留两位小数) 15.66 | 6.1 × 8.65 ≈ (保留两位小数) 52.77 | 6.31 × 3.1 ≈ (保留两位小数) 19.56 |
| 7.6 × 48 = 364.8 | (0.1 + 4.1) × 1.1 = 4.62 | 7.0 × 24 = 168 |
| 5.9 × 29 = 171.1 | 8.42 × 1.96 ≈ (保留两位小数) 16.50 | 5.9 × 47 = 277.3 |
| 6.0 × 41 = 246 | 8 × 6.4 × 1.25 = 64 | (3.6 + 4.0) × 0.7 = 5.32 |
| (2.5 + 0.8) × 4.1 = 13.53 | 5.56 × 9.57 ≈ (保留两位小数) 53.21 | 4.62 × 0.3 ≈ (保留两位小数) 1.39 |
| (4.1 + 2.8) × 0.6 = 4.14 | 3.62 × 0.76 ≈ (保留两位小数) 2.75 | 6.5 × 0.8 = 5.2 |
| 9.1 × 48 = 436.8 | 1.27 × 5.72 ≈ (保留两位小数) 7.26 | 8.0 × 21 = 168 |
| (0.4 + 1.1) × 0.4 = 0.6 | (2.1 + 4.2) × 1.6 = 10.08 | 4.47 × 8.21 ≈ (保留两位小数) 36.70 |
| 7.4 × 7.73 ≈ (保留两位小数) 57.20 | 0.7 × 1.9 = 1.33 | 8.1 × 6.89 ≈ (保留两位小数) 55.81 |
| 3.7 × 12 = 44.4 | 3.59 × 2.58 ≈ (保留两位小数) 9.26 | 6.0 × 3.7 = 22.2 |
| 8.07 × 5.64 ≈ (保留两位小数) 45.51 | (4.5 + 2.8) × 3.5 = 25.55 | 1.9 × 12 = 22.8 |
| 7.5 × 34 = 255 | 3.3 × 16 = 52.8 | 4.6 × 2 × 0.5 = 4.6 |
| (2.2 + 0.4) × 3.8 = 9.88 | 9.0 × 13 = 117 | 5.11 × 9.04 ≈ (保留两位小数) 46.19 |
| 2.1 × 2.1 = 4.41 | 7.78 × 4.16 ≈ (保留两位小数) 32.36 | 3.9 × 1.3 = 5.07 |
| 0.25 × 4 × 6.8 = 6.8 | 9.7 × 2.3 = 22.31 | 5.1 × 5.5 = 28.05 |
| (0.5 + 0.6) × 4.8 = 5.28 | 2.22 × 4.28 ≈ (保留两位小数) 9.50 |