五年级上册 小数乘法（笔算）
姓名：_______________
学号：_______________
用时：_______________
| 3.5 × 9.2 = | (2.4 + 0.9) × 2.1 = | 4.1 × 22 = |
| 8.9 × 8 = | 2.2 × 6.9 ≈ （保留两位小数） | 9.14 × 9.73 ≈ （保留两位小数） |
| 2.0 × 26 = | (1.2 + 0.3) × 2.8 = | 5.57 × 4.15 ≈ （保留两位小数） |
| 2.4 × 4.5 = | 4.11 × 6.87 ≈ （保留两位小数） | (2.4 + 0.5) × 3.3 = |
| 1.0 × 3 = | (4.1 + 3.7) × 3.8 = | (2.5 + 3.2) × 4.1 = |
| (1.6 + 2.3) × 2.3 = | 6.1 × 1.9 = | 4 × 0.25 × 6.8 = |
| 4 × 8.4 × 0.25 = | 3.78 × 7.87 ≈ （保留两位小数） | 0.7 × 6.1 = |
| 7.8 × 45 = | (1.3 + 2.3) × 4.4 = | 2.3 × 16 = |
| 1.7 × 42 = | 9.21 × 7.38 ≈ （保留两位小数） | 2 × 5.8 × 0.5 = |
| (3.8 + 0.5) × 0.8 = | 0.6 × 4.5 = | 2.0 × 44 = |
| 10.0 × 23 = | 8.4 × 13 = | 5.0 × 37 = |
| 8.0 × 47 = | 3.2 × 8 × 1.25 = | (4.8 + 3.6) × 0.9 = |
| 0.38 × 0.51 ≈ （保留两位小数） | (1.8 + 0.7) × 1.8 = | 2.96 × 0.79 ≈ （保留两位小数） |
| 1.4 × 11 = | (0.3 + 4.4) × 1.3 = | 1.9 × 4.3 = |
| 4 × 2.5 × 1.6 = | (1.9 + 3.7) × 4.4 = | 8.21 × 7.06 ≈ （保留两位小数） |
| 6.4 × 1.25 × 8 = | 6.7 × 1.0 = | 0.3 × 9.1 = |
| 3.4 × 49 = | (1.1 + 0.8) × 3.3 = |
五年级上册 小数乘法（笔算）（答案）
姓名：_______________
学号：_______________
用时：_______________
| 3.5 × 9.2 = 32.2 | (2.4 + 0.9) × 2.1 = 6.93 | 4.1 × 22 = 90.2 |
| 8.9 × 8 = 71.2 | 2.2 × 6.9 ≈ （保留两位小数） 15.18 | 9.14 × 9.73 ≈ （保留两位小数） 88.93 |
| 2.0 × 26 = 52 | (1.2 + 0.3) × 2.8 = 4.2 | 5.57 × 4.15 ≈ （保留两位小数） 23.12 |
| 2.4 × 4.5 = 10.8 | 4.11 × 6.87 ≈ （保留两位小数） 28.24 | (2.4 + 0.5) × 3.3 = 9.57 |
| 1.0 × 3 = 3 | (4.1 + 3.7) × 3.8 = 29.64 | (2.5 + 3.2) × 4.1 = 23.37 |
| (1.6 + 2.3) × 2.3 = 8.97 | 6.1 × 1.9 = 11.59 | 4 × 0.25 × 6.8 = 6.8 |
| 4 × 8.4 × 0.25 = 8.4 | 3.78 × 7.87 ≈ （保留两位小数） 29.75 | 0.7 × 6.1 = 4.27 |
| 7.8 × 45 = 351 | (1.3 + 2.3) × 4.4 = 15.84 | 2.3 × 16 = 36.8 |
| 1.7 × 42 = 71.4 | 9.21 × 7.38 ≈ （保留两位小数） 67.97 | 2 × 5.8 × 0.5 = 5.8 |
| (3.8 + 0.5) × 0.8 = 3.44 | 0.6 × 4.5 = 2.7 | 2.0 × 44 = 88 |
| 10.0 × 23 = 230 | 8.4 × 13 = 109.2 | 5.0 × 37 = 185 |
| 8.0 × 47 = 376 | 3.2 × 8 × 1.25 = 32 | (4.8 + 3.6) × 0.9 = 7.56 |
| 0.38 × 0.51 ≈ （保留两位小数） 0.19 | (1.8 + 0.7) × 1.8 = 4.5 | 2.96 × 0.79 ≈ （保留两位小数） 2.34 |
| 1.4 × 11 = 15.4 | (0.3 + 4.4) × 1.3 = 6.11 | 1.9 × 4.3 = 8.17 |
| 4 × 2.5 × 1.6 = 16 | (1.9 + 3.7) × 4.4 = 24.64 | 8.21 × 7.06 ≈ （保留两位小数） 57.96 |
| 6.4 × 1.25 × 8 = 64 | 6.7 × 1.0 = 6.7 | 0.3 × 9.1 = 2.73 |
| 3.4 × 49 = 166.6 | (1.1 + 0.8) × 3.3 = 6.27 |