第7单元 万以内数的认识-【优佳好】2023-2024学年二年级下册数学口算计算能力提升（人教版）

单元 7 　 第 1 课时　 万以内数的认识(教材 P75) 2 年级 下 R 72 - 40 = 37 ÷ 4 = 8 ÷ 2 = 12 ÷ 5 = 6 × 9 = 14 + 85 = 38 + 26 = 61 + 27 = 14 ÷ 3 = 9 × 7 = 17 + 25 = 42 ÷ 6 = 51 + 30 = 21 + 27 = 27 ÷ 9 = 7 × 7 = 56 - 30 = 73 + 16 = 93 - 8 = 13 + 80 = 60 + 30 = 49 ÷ 7 = 47 + 8 = 64 ÷ 8 = 32 ÷ 8 = 83 - 29 = 40 ÷ 8 = 5 × 6 = 35 ÷ 5 = 26 ÷ 4 = 43 - 17 = 27 + 25 = 5 × 9 = 40 + 50 = 45 ÷ 9 = 33 ÷ 8 = 27 ÷ 9 = 32 ÷ 6 = 4 × 9 = 37 ÷ 8 = 37 ÷ 6 = 　 　 　 　 　 　 　 28 ÷ 9 = 　 　 　 　 　 　 　 52 ÷ 8 = 42 ÷ 7 × 8 (48 - 18) ÷ 5 80 - 5 × 7 74 单元 7 　 第 2 课时　 1000 以内数的读写(教材 P76) 2 年级 下 R 9 × 3 = 47 + 13 = 8 + 29 = 22 ÷ 4 = 70 + 20 = 56 ÷ 7 = 72 ÷ 8 = 63 ÷ 9 = 45 + 27 = 8 × 4 = 54 + 30 = 9 + 48 = 54 ÷ 6 = 56 ÷ 8 = 100 - 40 = 27 ÷ 9 = 70 + 30 = 5 × 4 = 36 ÷ 4 = 40 ÷ 5 = 38 + 6 = 36 ÷ 9 = 36 ÷ 6 = 47 ÷ 6 = 80 - 30 = 25 - 5 = 7 × 8 = 7 × 9 = 22 ÷ 5 = 72 ÷ 9 = 71 ÷ 8 = 68 ÷ 7 = 63 ÷ 7 = 15 ÷ 2 = 30 + 70 = 6 × 9 = 32 ÷ 4 = 46 ÷ 5 = 34 ÷ 6 = 35 ÷ 7 = 48 + 36 = 　 　 　 　 　 　 　 73 ÷ 8 = 　 　 　 　 　 　 　 82 ÷ 9 = 70 - (36 + 25) 7 × (45 - 39) (64 - 16) ÷ 8 84 单元 7 　 第 3 课时　 用算盘计数(教材 P78) 2 年级 下 R 39 - 19 = 38 + 8 = 47 ÷ 6 = 6 × 7 = 54 ÷ 7 = 61 - 20 = 38 + 6 = 49 - 7 = 63 ÷ 9 = 30 ÷ 5 = 35 ÷ 5 = 9 × 6 = 31 - 8 = 45 ÷ 9 = 15 + 70 = 35 + 15 = 28 - 5 = 7 × 8 = 35 ÷ 7 = 4 × 6 = 25 ÷ 8 = 32 ÷ 4 = 9 × 7 = 81 ÷ 9 = 24 + 8 = 36 ÷ 6 = 32 ÷ 8 = 6 × 9 = 22 ÷ 4 = 33 ÷ 5 = 7 × 4 = 23 ÷ 5 = 45 ÷ 9 = 4 × 6 = 70 - 2 = 45 + 22 = 30 ÷ 8 = 49 ÷ 7 = 81 ÷ 9 = 66 ÷ 8 = 75 ÷ 8 = 　 　 　 　 　 　 　 70 - 39 = 　 　 　 　 　 　 　 63 + 28 = 24 ÷ (2 × 3) 90 - (27 + 36) 8 × (45 - 36) 94 单元 7 　 第 4 课时　 练习课(教材 P79) 2 年级 下 R 14 + 9 = 30 ÷ 5 = 18 ÷ 6 = 23 ÷ 8 = 32 + 8 = 24 ÷ 7 = 26 ÷ 9 = 31 ÷ 5 = 71 - 32 = 23 ÷ 5 = 32 ÷ 8 = 27 + 6 = 4 × 5 = 7 ÷ 7 = 56 ÷ 9 = 28 ÷ 3 = 16 ÷ 4 = 45 ÷ 6 = 77 - 30 = 54 ÷ 9 = 28 ÷ 7 = 81 ÷ 9 = 25 - 7 = 7 × 5 = 24 ÷ 8 = 50 ÷ 9 = 2 × 6 = 60 + 6 = 27 ÷ 8 = 63 ÷ 8 = 8 × 6 = 37 ÷ 6 = 3 × 9 = 19 ÷ 9 = 55 + 9 = 18 ÷ 3 = 50 ÷ 7 = 30 - 4 = 8 × 7 = 37 ÷ 5 = 75 ÷ 8 = 　 　 　 　 　 　 　 36 ÷ 9 = 　 　 　 　 　 　 　 52 ÷ 8 = 36 + 18 ÷ 6 (95 - 47) ÷ 8 6 × (77 - 70) 05