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五年级上册 小数乘法(笔算)

姓名:_______________ 学号:_______________ 用时:_______________
8.47 × 3.76 ≈ (保留两位小数) 0.44 × 2.23 ≈ (保留两位小数) 5.08 × 5.33 ≈ (保留两位小数)
1.9 × 43 = (0.9 + 3.3) × 3.9 = (4.7 + 1.1) × 2.3 =
1.28 × 9.29 ≈ (保留两位小数) 4.7 × 14 = 0.3 × 6.3 =
(4.2 + 0.5) × 4.3 = 4.76 × 4.38 ≈ (保留两位小数) 1.25 × 3.2 × 8 =
5.9 × 8.7 = 7.7 × 7.5 = 8.81 × 6.82 ≈ (保留两位小数)
0.6 × 8.7 = (4.6 + 1.8) × 2.1 = 5.8 × 3.5 =
9.3 × 13 = (0.2 + 3.7) × 1.3 = 5.68 × 2.41 ≈ (保留两位小数)
3.9 × 18 = (0.9 + 0.7) × 2.5 = 4.6 × 0.5 × 2 =
(1.5 + 4.1) × 2.7 = 1.8 × 2.7 = 4 × 0.25 × 8.4 =
6.58 × 8.48 ≈ (保留两位小数) 6.4 × 23 = (1.5 + 3.7) × 2.6 =
8 × 7.2 × 1.25 = (3.0 + 0.7) × 0.6 = 5.6 × 9.82 ≈ (保留两位小数)
(1.4 + 3.2) × 2.3 = 0.36 × 5.25 ≈ (保留两位小数) 4.4 × 10 =
0.25 × 4 × 8.4 = 9.5 × 6.7 = 7.1 × 2.9 =
9.01 × 7.45 ≈ (保留两位小数) 2.2 × 33 = 4.0 × 21 =
3.8 × 9.9 = (0.9 + 0.6) × 3.4 = 2.78 × 8.81 ≈ (保留两位小数)
1.4 × 11 = 3.3 × 50 = 3.31 × 9.62 ≈ (保留两位小数)
3.5 × 5 × 0.2 = 5.6 × 12 =
五年级上册 小数乘法(笔算)(答案)
姓名:_______________ 学号:_______________ 用时:_______________
8.47 × 3.76 ≈ (保留两位小数) 31.85 0.44 × 2.23 ≈ (保留两位小数) 0.98 5.08 × 5.33 ≈ (保留两位小数) 27.08
1.9 × 43 = 81.7 (0.9 + 3.3) × 3.9 = 16.38 (4.7 + 1.1) × 2.3 = 13.34
1.28 × 9.29 ≈ (保留两位小数) 11.89 4.7 × 14 = 65.8 0.3 × 6.3 = 1.89
(4.2 + 0.5) × 4.3 = 20.21 4.76 × 4.38 ≈ (保留两位小数) 20.85 1.25 × 3.2 × 8 = 32
5.9 × 8.7 = 51.33 7.7 × 7.5 = 57.75 8.81 × 6.82 ≈ (保留两位小数) 60.08
0.6 × 8.7 = 5.22 (4.6 + 1.8) × 2.1 = 13.44 5.8 × 3.5 = 20.3
9.3 × 13 = 120.9 (0.2 + 3.7) × 1.3 = 5.07 5.68 × 2.41 ≈ (保留两位小数) 13.69
3.9 × 18 = 70.2 (0.9 + 0.7) × 2.5 = 4 4.6 × 0.5 × 2 = 4.6
(1.5 + 4.1) × 2.7 = 15.12 1.8 × 2.7 = 4.86 4 × 0.25 × 8.4 = 8.4
6.58 × 8.48 ≈ (保留两位小数) 55.80 6.4 × 23 = 147.2 (1.5 + 3.7) × 2.6 = 13.52
8 × 7.2 × 1.25 = 72 (3.0 + 0.7) × 0.6 = 2.22 5.6 × 9.82 ≈ (保留两位小数) 54.99
(1.4 + 3.2) × 2.3 = 10.58 0.36 × 5.25 ≈ (保留两位小数) 1.89 4.4 × 10 = 44
0.25 × 4 × 8.4 = 8.4 9.5 × 6.7 = 63.65 7.1 × 2.9 = 20.59
9.01 × 7.45 ≈ (保留两位小数) 67.12 2.2 × 33 = 72.6 4.0 × 21 = 84
3.8 × 9.9 = 37.62 (0.9 + 0.6) × 3.4 = 5.1 2.78 × 8.81 ≈ (保留两位小数) 24.49
1.4 × 11 = 15.4 3.3 × 50 = 165 3.31 × 9.62 ≈ (保留两位小数) 31.84
3.5 × 5 × 0.2 = 3.5 5.6 × 12 = 67.2