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五年级上册 小数乘法(笔算)

姓名:_______________ 学号:_______________ 用时:_______________
2.2 × 48 = 6.1 × 37 = 2.4 × 44 =
(1.0 + 4.0) × 0.8 = 5.16 × 2.65 ≈ (保留两位小数) 0.74 × 2.54 ≈ (保留两位小数)
7.2 × 1.25 × 8 = 7.6 × 23 = 4.5 × 5 × 0.2 =
4.1 × 5.4 = 7.2 × 1.25 × 8 = 0.7 × 7.0 =
0.6 × 41 = (4.7 + 2.3) × 5.0 = (1.7 + 0.2) × 5.0 =
9.6 × 36 = 1.3 × 3.9 = 1.25 × 8 × 7.2 =
8.4 × 0.25 × 4 = (0.9 + 2.0) × 1.1 = (1.1 + 3.1) × 3.5 =
2.7 × 3.0 = 6.9 × 5.8 = (0.7 + 2.2) × 1.4 =
2.5 × 1.6 × 4 = 4.2 × 45 = 1.91 × 0.55 ≈ (保留两位小数)
1.4 × 39 = (0.2 + 0.7) × 4.0 = (0.7 + 4.2) × 2.5 =
7.2 × 7.1 = (4.4 + 2.3) × 1.3 = 4.4 × 3.2 =
2.7 × 23 = 8.4 × 4 × 0.25 = 7.9 × 48 =
(1.8 + 0.2) × 4.5 = 4.3 × 6.1 = 4.7 × 27 =
4.8 × 0.125 × 8 = 5.2 × 50 = (2.9 + 3.1) × 2.6 =
7.5 × 15 = 6.4 × 8 × 1.25 = 6.65 × 4.25 ≈ (保留两位小数)
8.51 × 5.71 ≈ (保留两位小数) 2.1 × 36 = 0.5 × 2 × 4.6 =
3.6 × 8.0 = 6.4 × 1.25 × 8 =
五年级上册 小数乘法(笔算)(答案)
姓名:_______________ 学号:_______________ 用时:_______________
2.2 × 48 = 105.6 6.1 × 37 = 225.7 2.4 × 44 = 105.6
(1.0 + 4.0) × 0.8 = 4 5.16 × 2.65 ≈ (保留两位小数) 13.67 0.74 × 2.54 ≈ (保留两位小数) 1.88
7.2 × 1.25 × 8 = 72 7.6 × 23 = 174.8 4.5 × 5 × 0.2 = 4.5
4.1 × 5.4 = 22.14 7.2 × 1.25 × 8 = 72 0.7 × 7.0 = 4.9
0.6 × 41 = 24.6 (4.7 + 2.3) × 5.0 = 35 (1.7 + 0.2) × 5.0 = 9.5
9.6 × 36 = 345.6 1.3 × 3.9 = 5.07 1.25 × 8 × 7.2 = 72
8.4 × 0.25 × 4 = 8.4 (0.9 + 2.0) × 1.1 = 3.19 (1.1 + 3.1) × 3.5 = 14.7
2.7 × 3.0 = 8.1 6.9 × 5.8 = 40.02 (0.7 + 2.2) × 1.4 = 4.06
2.5 × 1.6 × 4 = 16 4.2 × 45 = 189 1.91 × 0.55 ≈ (保留两位小数) 1.05
1.4 × 39 = 54.6 (0.2 + 0.7) × 4.0 = 3.6 (0.7 + 4.2) × 2.5 = 12.25
7.2 × 7.1 = 51.12 (4.4 + 2.3) × 1.3 = 8.71 4.4 × 3.2 = 14.08
2.7 × 23 = 62.1 8.4 × 4 × 0.25 = 8.4 7.9 × 48 = 379.2
(1.8 + 0.2) × 4.5 = 9 4.3 × 6.1 = 26.23 4.7 × 27 = 126.9
4.8 × 0.125 × 8 = 4.8 5.2 × 50 = 260 (2.9 + 3.1) × 2.6 = 15.6
7.5 × 15 = 112.5 6.4 × 8 × 1.25 = 64 6.65 × 4.25 ≈ (保留两位小数) 28.26
8.51 × 5.71 ≈ (保留两位小数) 48.59 2.1 × 36 = 75.6 0.5 × 2 × 4.6 = 4.6
3.6 × 8.0 = 28.8 6.4 × 1.25 × 8 = 64