五年级上册 小数乘法（笔算）
姓名：_______________
学号：_______________
用时：_______________
| 8.4 × 5.8 = | 9.2 × 9.4 = | 1.2 × 5.9 = |
| 5.3 × 23 = | 1.06 × 9.54 ≈ （保留两位小数） | 5.12 × 8.55 ≈ （保留两位小数） |
| 2.12 × 5.3 ≈ （保留两位小数） | 3.0 × 9.9 = | 3.6 × 2 × 0.5 = |
| 8.85 × 8.82 ≈ （保留两位小数） | (2.1 + 2.2) × 3.9 = | 4.5 × 2.6 = |
| 3.7 × 4.8 = | (1.0 + 1.4) × 0.9 = | 4.44 × 3.87 ≈ （保留两位小数） |
| 2.1 × 39 = | (0.8 + 1.6) × 3.2 = | (4.9 + 3.0) × 4.2 = |
| 9.01 × 7.09 ≈ （保留两位小数） | 8.1 × 29 = | 2.5 × 4 × 3.6 = |
| 4.5 × 12 = | 1.0 × 2.3 = | 0.7 × 2.3 = |
| 10.0 × 0.3 = | 4.1 × 36 = | 3.24 × 4.43 ≈ （保留两位小数） |
| 3.6 × 0.5 × 2 = | 6.0 × 1.5 = | 8.98 × 2.66 ≈ （保留两位小数） |
| 2.1 × 0.9 = | (2.2 + 0.6) × 0.4 = | (2.8 + 4.0) × 2.1 = |
| (4.5 + 4.9) × 3.2 = | 7.5 × 6.0 = | 7.8 × 4 = |
| 5.5 × 3 = | 2.3 × 20 = | 4.6 × 2 × 0.5 = |
| (1.1 + 3.4) × 1.4 = | (5.0 + 4.7) × 0.6 = | (2.3 + 4.6) × 0.3 = |
| 2.3 × 30 = | 4.3 × 34 = | 6.4 × 6.6 = |
| 9.54 × 6.7 ≈ （保留两位小数） | 1.87 × 8.49 ≈ （保留两位小数） | 2.87 × 3.53 ≈ （保留两位小数） |
| 8.8 × 5.9 = | 1.1 × 8.9 = |
五年级上册 小数乘法（笔算）（答案）
姓名：_______________
学号：_______________
用时：_______________
| 8.4 × 5.8 = 48.72 | 9.2 × 9.4 = 86.48 | 1.2 × 5.9 = 7.08 |
| 5.3 × 23 = 121.9 | 1.06 × 9.54 ≈ （保留两位小数） 10.11 | 5.12 × 8.55 ≈ （保留两位小数） 43.78 |
| 2.12 × 5.3 ≈ （保留两位小数） 11.24 | 3.0 × 9.9 = 29.7 | 3.6 × 2 × 0.5 = 3.6 |
| 8.85 × 8.82 ≈ （保留两位小数） 78.06 | (2.1 + 2.2) × 3.9 = 16.77 | 4.5 × 2.6 = 11.7 |
| 3.7 × 4.8 = 17.76 | (1.0 + 1.4) × 0.9 = 2.16 | 4.44 × 3.87 ≈ （保留两位小数） 17.18 |
| 2.1 × 39 = 81.9 | (0.8 + 1.6) × 3.2 = 7.68 | (4.9 + 3.0) × 4.2 = 33.18 |
| 9.01 × 7.09 ≈ （保留两位小数） 63.88 | 8.1 × 29 = 234.9 | 2.5 × 4 × 3.6 = 36 |
| 4.5 × 12 = 54 | 1.0 × 2.3 = 2.3 | 0.7 × 2.3 = 1.61 |
| 10.0 × 0.3 = 3 | 4.1 × 36 = 147.6 | 3.24 × 4.43 ≈ （保留两位小数） 14.35 |
| 3.6 × 0.5 × 2 = 3.6 | 6.0 × 1.5 = 9 | 8.98 × 2.66 ≈ （保留两位小数） 23.89 |
| 2.1 × 0.9 = 1.89 | (2.2 + 0.6) × 0.4 = 1.12 | (2.8 + 4.0) × 2.1 = 14.28 |
| (4.5 + 4.9) × 3.2 = 30.08 | 7.5 × 6.0 = 45 | 7.8 × 4 = 31.2 |
| 5.5 × 3 = 16.5 | 2.3 × 20 = 46 | 4.6 × 2 × 0.5 = 4.6 |
| (1.1 + 3.4) × 1.4 = 6.3 | (5.0 + 4.7) × 0.6 = 5.82 | (2.3 + 4.6) × 0.3 = 2.07 |
| 2.3 × 30 = 69 | 4.3 × 34 = 146.2 | 6.4 × 6.6 = 42.24 |
| 9.54 × 6.7 ≈ （保留两位小数） 63.92 | 1.87 × 8.49 ≈ （保留两位小数） 15.88 | 2.87 × 3.53 ≈ （保留两位小数） 10.13 |
| 8.8 × 5.9 = 51.92 | 1.1 × 8.9 = 9.79 |