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五年级上册 小数乘法(笔算)

姓名:_______________ 学号:_______________ 用时:_______________
3.6 × 0.5 × 2 = 7.87 × 8.51 ≈ (保留两位小数) 5 × 0.2 × 3.5 =
(4.7 + 3.0) × 0.7 = 4.6 × 0.5 = 1.3 × 34 =
6.4 × 8 × 0.125 = (4.7 + 1.6) × 2.5 = 9.1 × 16 =
0.96 × 2.66 ≈ (保留两位小数) 4.1 × 8.63 ≈ (保留两位小数) 1.4 × 35 =
9.1 × 19 = 5.2 × 41 = (4.8 + 4.3) × 2.2 =
8.1 × 43 = 8.9 × 6.7 = 6.1 × 7.96 ≈ (保留两位小数)
(1.4 + 0.5) × 0.3 = 3.6 × 2 × 0.5 = 0.35 × 6.65 ≈ (保留两位小数)
2.3 × 16 = 2 × 0.5 × 5.8 = (4.8 + 0.7) × 4.8 =
5.4 × 8 = (4.5 + 2.8) × 3.2 = 5 × 0.2 × 4.5 =
2.3 × 6.9 = 1.69 × 9.37 ≈ (保留两位小数) 8.3 × 41 =
9.6 × 4.5 = 3.5 × 9 = 2.4 × 2.5 =
3.4 × 4.0 = 6.1 × 3.1 = 4.3 × 9.6 =
3.9 × 7.59 ≈ (保留两位小数) (2.7 + 2.1) × 3.6 = (3.9 + 2.9) × 4.3 =
3.65 × 8.76 ≈ (保留两位小数) 5.66 × 4.46 ≈ (保留两位小数) 2.03 × 6.64 ≈ (保留两位小数)
3.22 × 4.92 ≈ (保留两位小数) 7.8 × 5.4 = 4 × 4.78 × 0.25 =
3.9 × 2.6 = 3.52 × 3.57 ≈ (保留两位小数) 8 × 3.2 × 1.25 =
2.87 × 8.25 ≈ (保留两位小数) (2.5 + 2.3) × 3.1 =
五年级上册 小数乘法(笔算)(答案)
姓名:_______________ 学号:_______________ 用时:_______________
3.6 × 0.5 × 2 = 3.6 7.87 × 8.51 ≈ (保留两位小数) 66.97 5 × 0.2 × 3.5 = 3.5
(4.7 + 3.0) × 0.7 = 5.39 4.6 × 0.5 = 2.3 1.3 × 34 = 44.2
6.4 × 8 × 0.125 = 6.4 (4.7 + 1.6) × 2.5 = 15.75 9.1 × 16 = 145.6
0.96 × 2.66 ≈ (保留两位小数) 2.55 4.1 × 8.63 ≈ (保留两位小数) 35.38 1.4 × 35 = 49
9.1 × 19 = 172.9 5.2 × 41 = 213.2 (4.8 + 4.3) × 2.2 = 20.02
8.1 × 43 = 348.3 8.9 × 6.7 = 59.63 6.1 × 7.96 ≈ (保留两位小数) 48.56
(1.4 + 0.5) × 0.3 = 0.57 3.6 × 2 × 0.5 = 3.6 0.35 × 6.65 ≈ (保留两位小数) 2.33
2.3 × 16 = 36.8 2 × 0.5 × 5.8 = 5.8 (4.8 + 0.7) × 4.8 = 26.4
5.4 × 8 = 43.2 (4.5 + 2.8) × 3.2 = 23.36 5 × 0.2 × 4.5 = 4.5
2.3 × 6.9 = 15.87 1.69 × 9.37 ≈ (保留两位小数) 15.84 8.3 × 41 = 340.3
9.6 × 4.5 = 43.2 3.5 × 9 = 31.5 2.4 × 2.5 = 6
3.4 × 4.0 = 13.6 6.1 × 3.1 = 18.91 4.3 × 9.6 = 41.28
3.9 × 7.59 ≈ (保留两位小数) 29.60 (2.7 + 2.1) × 3.6 = 17.28 (3.9 + 2.9) × 4.3 = 29.24
3.65 × 8.76 ≈ (保留两位小数) 31.97 5.66 × 4.46 ≈ (保留两位小数) 25.24 2.03 × 6.64 ≈ (保留两位小数) 13.48
3.22 × 4.92 ≈ (保留两位小数) 15.84 7.8 × 5.4 = 42.12 4 × 4.78 × 0.25 = 4.78
3.9 × 2.6 = 10.14 3.52 × 3.57 ≈ (保留两位小数) 12.57 8 × 3.2 × 1.25 = 32
2.87 × 8.25 ≈ (保留两位小数) 23.68 (2.5 + 2.3) × 3.1 = 14.88