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五年级上册 小数乘法(笔算)

姓名:_______________ 学号:_______________ 用时:_______________
0.25 × 4 × 6.8 = 3.2 × 8 × 1.25 = 1.26 × 6.29 ≈ (保留两位小数)
9.04 × 7.11 ≈ (保留两位小数) 3.6 × 7.5 = 9.56 × 7.89 ≈ (保留两位小数)
3.9 × 5.5 = 6.7 × 1.5 = (0.3 + 3.7) × 2.8 =
1.1 × 7 = (0.9 + 4.3) × 0.8 = 3.5 × 13 =
0.25 × 4.78 × 4 = 8 × 1.25 × 7.2 = 3.34 × 1.83 ≈ (保留两位小数)
5.93 × 4.4 ≈ (保留两位小数) 8.1 × 9 = 6.1 × 39 =
8.5 × 7 = 8.7 × 6.1 = 7.8 × 9.7 =
3.2 × 46 = 1.03 × 9.24 ≈ (保留两位小数) 0.3 × 1.1 =
5.61 × 1.95 ≈ (保留两位小数) 3.28 × 0.22 ≈ (保留两位小数) 8 × 3.2 × 1.25 =
0.3 × 4.6 = 9.77 × 9.13 ≈ (保留两位小数) 8.0 × 1.2 =
6.7 × 3.8 = 3.41 × 4.53 ≈ (保留两位小数) 2.1 × 41 =
(0.9 + 0.5) × 0.1 = 5.39 × 0.61 ≈ (保留两位小数) (3.8 + 2.8) × 0.1 =
7.9 × 9 = 9.8 × 9.2 = (4.9 + 0.4) × 0.6 =
0.125 × 8 × 4.8 = (2.8 + 0.6) × 1.4 = 0.25 × 4 × 8.4 =
5.8 × 41 = 5.3 × 49 = 8.37 × 4.43 ≈ (保留两位小数)
4.78 × 6.25 ≈ (保留两位小数) 6.6 × 1.2 = 3.26 × 0.99 ≈ (保留两位小数)
8.7 × 7.3 = (1.2 + 0.4) × 4.3 =
五年级上册 小数乘法(笔算)(答案)
姓名:_______________ 学号:_______________ 用时:_______________
0.25 × 4 × 6.8 = 6.8 3.2 × 8 × 1.25 = 32 1.26 × 6.29 ≈ (保留两位小数) 7.93
9.04 × 7.11 ≈ (保留两位小数) 64.27 3.6 × 7.5 = 27 9.56 × 7.89 ≈ (保留两位小数) 75.43
3.9 × 5.5 = 21.45 6.7 × 1.5 = 10.05 (0.3 + 3.7) × 2.8 = 11.2
1.1 × 7 = 7.7 (0.9 + 4.3) × 0.8 = 4.16 3.5 × 13 = 45.5
0.25 × 4.78 × 4 = 4.78 8 × 1.25 × 7.2 = 72 3.34 × 1.83 ≈ (保留两位小数) 6.11
5.93 × 4.4 ≈ (保留两位小数) 26.09 8.1 × 9 = 72.9 6.1 × 39 = 237.9
8.5 × 7 = 59.5 8.7 × 6.1 = 53.07 7.8 × 9.7 = 75.66
3.2 × 46 = 147.2 1.03 × 9.24 ≈ (保留两位小数) 9.52 0.3 × 1.1 = 0.33
5.61 × 1.95 ≈ (保留两位小数) 10.94 3.28 × 0.22 ≈ (保留两位小数) 0.72 8 × 3.2 × 1.25 = 32
0.3 × 4.6 = 1.38 9.77 × 9.13 ≈ (保留两位小数) 89.20 8.0 × 1.2 = 9.6
6.7 × 3.8 = 25.46 3.41 × 4.53 ≈ (保留两位小数) 15.45 2.1 × 41 = 86.1
(0.9 + 0.5) × 0.1 = 0.14 5.39 × 0.61 ≈ (保留两位小数) 3.29 (3.8 + 2.8) × 0.1 = 0.66
7.9 × 9 = 71.1 9.8 × 9.2 = 90.16 (4.9 + 0.4) × 0.6 = 3.18
0.125 × 8 × 4.8 = 4.8 (2.8 + 0.6) × 1.4 = 4.76 0.25 × 4 × 8.4 = 8.4
5.8 × 41 = 237.8 5.3 × 49 = 259.7 8.37 × 4.43 ≈ (保留两位小数) 37.08
4.78 × 6.25 ≈ (保留两位小数) 29.88 6.6 × 1.2 = 7.92 3.26 × 0.99 ≈ (保留两位小数) 3.23
8.7 × 7.3 = 63.51 (1.2 + 0.4) × 4.3 = 6.88