五年级上册 小数乘法（笔算）
姓名：_______________
学号：_______________
用时：_______________
| 4 × 2.5 × 1.6 = | (4.8 + 4.9) × 0.3 = | (1.6 + 3.4) × 1.4 = |
| 3.8 × 45 = | 5.91 × 4.77 ≈ （保留两位小数） | 7.2 × 1.25 × 8 = |
| 6.34 × 5.4 ≈ （保留两位小数） | (4.4 + 4.4) × 2.2 = | (1.1 + 3.2) × 2.5 = |
| 2.3 × 3.7 = | 1.04 × 2.24 ≈ （保留两位小数） | 0.5 × 4.6 × 2 = |
| (0.8 + 4.0) × 2.7 = | 7.1 × 9.7 = | 7.9 × 21 = |
| (4.5 + 1.3) × 0.7 = | 7.8 × 31 = | (0.7 + 0.1) × 2.5 = |
| (2.6 + 4.9) × 0.4 = | 9.39 × 2.86 ≈ （保留两位小数） | 9.96 × 9.45 ≈ （保留两位小数） |
| 4 × 1.6 × 2.5 = | 9.87 × 10.0 ≈ （保留两位小数） | 3.32 × 5.25 ≈ （保留两位小数） |
| 4 × 1.6 × 2.5 = | 9.4 × 3.5 = | 1.9 × 3.0 = |
| (3.3 + 3.4) × 3.6 = | 5.0 × 8.3 = | 5 × 3.5 × 0.2 = |
| 6.4 × 5 = | 9.7 × 21 = | 0.9 × 4.0 = |
| 8.3 × 11 = | 2.09 × 0.24 ≈ （保留两位小数） | 5.23 × 8.92 ≈ （保留两位小数） |
| 1.4 × 7.1 = | (1.6 + 0.8) × 1.9 = | 3.92 × 2.04 ≈ （保留两位小数） |
| 4 × 1.6 × 2.5 = | 3.23 × 4.66 ≈ （保留两位小数） | 2.8 × 7.4 = |
| 1.1 × 21 = | (1.4 + 2.9) × 3.1 = | 2.5 × 3.6 × 4 = |
| 0.5 × 4.6 × 2 = | 9.5 × 2.1 = | 5.7 × 48 = |
| (2.0 + 2.0) × 0.2 = | 0.92 × 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：_______________
| 4 × 2.5 × 1.6 = 16 | (4.8 + 4.9) × 0.3 = 2.91 | (1.6 + 3.4) × 1.4 = 7 |
| 3.8 × 45 = 171 | 5.91 × 4.77 ≈ （保留两位小数） 28.19 | 7.2 × 1.25 × 8 = 72 |
| 6.34 × 5.4 ≈ （保留两位小数） 34.24 | (4.4 + 4.4) × 2.2 = 19.36 | (1.1 + 3.2) × 2.5 = 10.75 |
| 2.3 × 3.7 = 8.51 | 1.04 × 2.24 ≈ （保留两位小数） 2.33 | 0.5 × 4.6 × 2 = 4.6 |
| (0.8 + 4.0) × 2.7 = 12.96 | 7.1 × 9.7 = 68.87 | 7.9 × 21 = 165.9 |
| (4.5 + 1.3) × 0.7 = 4.06 | 7.8 × 31 = 241.8 | (0.7 + 0.1) × 2.5 = 2 |
| (2.6 + 4.9) × 0.4 = 3 | 9.39 × 2.86 ≈ （保留两位小数） 26.86 | 9.96 × 9.45 ≈ （保留两位小数） 94.12 |
| 4 × 1.6 × 2.5 = 16 | 9.87 × 10.0 ≈ （保留两位小数） 98.70 | 3.32 × 5.25 ≈ （保留两位小数） 17.43 |
| 4 × 1.6 × 2.5 = 16 | 9.4 × 3.5 = 32.9 | 1.9 × 3.0 = 5.7 |
| (3.3 + 3.4) × 3.6 = 24.12 | 5.0 × 8.3 = 41.5 | 5 × 3.5 × 0.2 = 3.5 |
| 6.4 × 5 = 32 | 9.7 × 21 = 203.7 | 0.9 × 4.0 = 3.6 |
| 8.3 × 11 = 91.3 | 2.09 × 0.24 ≈ （保留两位小数） 0.50 | 5.23 × 8.92 ≈ （保留两位小数） 46.65 |
| 1.4 × 7.1 = 9.94 | (1.6 + 0.8) × 1.9 = 4.56 | 3.92 × 2.04 ≈ （保留两位小数） 8.00 |
| 4 × 1.6 × 2.5 = 16 | 3.23 × 4.66 ≈ （保留两位小数） 15.05 | 2.8 × 7.4 = 20.72 |
| 1.1 × 21 = 23.1 | (1.4 + 2.9) × 3.1 = 13.33 | 2.5 × 3.6 × 4 = 36 |
| 0.5 × 4.6 × 2 = 4.6 | 9.5 × 2.1 = 19.95 | 5.7 × 48 = 273.6 |
| (2.0 + 2.0) × 0.2 = 0.8 | 0.92 × 4.28 ≈ （保留两位小数） 3.94 |