第二单元 千米和吨-【优佳好】2023-2024学年三年级下册数学口算计算能力提升（苏教版）

单元二 　 第 1 课时　 认识千米 3 年级 下 S 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　40 × 30 = 80 ÷ 4 = 15 × 70 = 26 × 30 = 15 × 20 = 23 × 30 = 25 × 40 = 27 × 40 = 17 × 20 = 11 × 40 = 20 × 21 = 13 × 60 = 120 × 4 = 43 × 20 = 12 × 60 = 46 × 30 = 360 × 2 = 126 ÷ 6 = 37 × 21 = 15 × 60 = 40 × 40 = 50 × 40 = 45 × 6 = 390 ÷ 3 = 42 × 80 = 18 × 80 = 70 × 10 = 25 × 8 = 200 ÷ 4 = 30 × 32 = 110 × 2 = 42 × 30 = 125 × 8 = 404 ÷ 4 = 43 × 6 = 16 × 20 = 18 × 50 = 268 ÷ 2 = 50 × 80 = 30 × 70 = 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　69 × 23 = 45 × 33 = 31 × 22 = 16 × 4 × 4 17 × 4 × 6 15 × 26 - 15 41 单元二 　 第 2 课时　 认识吨 3 年级 下 S 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　30 × 80 = 600 × 4 = 15 × 50 = 19 × 40 = 24 × 50 = 12 × 48 = 80 × 70 = 18 × 25 = 18 × 40 = 80 × 50 = 22 × 12 = 13 × 60 = 150 ÷ 5 = 12 × 20 = 230 × 4 = 300 ÷ 3 = 43 × 30 = 33 × 40 = 21 × 60 = 88 × 10 = 50 × 50 = 7 × 400 = 32 × 70 = 60 × 70 = 140 × 3 = 17 × 20 = 15 × 20 = 27 × 40 = 22 × 33 = 11 × 80 = 40 × 13 = 16 × 70 = 48 × 20 = 880 ÷ 4 = 10 × 35 = 804 ÷ 2 = 60 × 90 = 230 × 3 = 44 × 8 = 300 × 3 = 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　27 × 54 = 18 × 76 = 36 × 34 = 28 × 6 × 8 45 × 20 - 45 53 × 5 × 4 51 单元二 　 第 3 课时　 练习三 3 年级 下 S 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　95 × 40 = 90 × 36 = 70 × 55 = 63 × 50 = 70 × 37 = 33 × 40 = 59 × 20 = 72 × 70 = 37 × 40 = 77 × 11 = 60 × 80 = 42 × 90 = 70 × 35 = 820 ÷ 2 = 600 × 9 = 35 × 33 = 56 × 20 = 25 × 90 = 39 × 40 = 714 ÷ 7 = 7 × 900 = 160 × 9 = 75 × 60 = 31 × 52 = 30 × 40 = 64 × 40 = 30 × 80 = 14 × 20 = 600 ÷ 2 = 123 × 4 = 22 × 90 = 230 × 4 = 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　40 × 94 = 38 × 30 = 43 × 18 = 23 × 35 = 32 × 26 = 90 × 77 = 35 × 2 × 5 17 × 3 × 6 14 × 50 + 14 61 单元二 　 第二单元计算易错专练 3 年级 下 S 1. 直接写出得数。 40 × 21 = 22 × 50 = 101 × 7 = 90 × 27 = 60 × 93 = 55 × 35 = 42 × 50 = 77 × 15 = 40 × 75 = 720 ÷ 8 = 636 ÷ 3 = 320 × 4 = 45 × 80 = 90 × 23 = 40 × 80 = 160 ÷ 8 = 44 × 72 = 71 × 50 = 80 × 70 = 600 × 6 = 64 × 25 = 40 × 22 = 505