第三单元 认识100以内的数-【优佳好】2023-2024学年一年级下册数学口算计算能力提升（苏教版）

单元三 　 第 1 课时　 数数 1 年级 下 S 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　13 - 6 = 4 + 8 = 6 + 6 = 13 - 3 = 15 - 7 = 9 + 4 = 7 + 5 = 6 + 9 = 12 - 9 = 13 - 7 = 15 - 6 = 12 - 8 = 4 + 7 = 7 - 4 = 8 + 9 = 14 - 8 = 13 - 8 = 13 - 9 = 18 - 8 = 17 - 7 = 11 - 5 = 12 - 3 = 14 - 9 = 15 - 8 = 18 - 9 = 15 - 9 = 13 - 4 = 12 - 7 = 13 - 5 - 5 = 9 + 4 - 8 = 11 - 4 + 8 = 8 + 6 + 5 = 16 - 8 - 4 = 5 + 7 - 4 = 16 - 7 + 9 = 14 - 9 + 5 = 12 - 2 - 7 = 11 - 6 - 2 = 17 - 7 + 3 = 11 - 3 + 6 = 4 + 7 - 6 = 14 - 7 + 5 = 10 - 2 + 6 = 7 + 6 - 8 = 　 　 　 　 　 　 　 　 　 　 　 　 71 单元三 　 第 2 课时　 数的组成和读写 1 年级 下 S 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　13 - 4 = 16 - 9 = 14 - 4 = 11 - 2 = 15 - 8 = 13 - 7 = 16 - 8 = 5 + 9 = 7 + 6 = 14 - 9 = 4 + 7 = 15 - 6 = 15 - 7 = 12 - 3 = 13 - 8 = 11 - 7 = 16 - 7 = 11 - 8 = 14 - 5 = 3 + 8 = 5 + 6 = 2 + 9 = 14 - 8 = 12 - 7 = 11 - 5 = 13 - 9 = 12 - 5 = 18 - 9 = 9 + 7 = 14 - 7 = 15 - 9 = 11 - 9 = 6 + 7 - 9 = 14 - 5 + 6 = 15 - 7 + 8 = 18 - 9 - 3 = 13 - 5 + 6 = 7 + 5 - 9 = 16 - 8 - 7 = 6 + 8 - 7 = 12 - 5 + 4 = 11 - 3 + 2 = 14 - 4 - 3 = 13 - 3 + 8 = 7 + 7 - 5 = 11 - 4 - 5 = 14 - 5 - 7 = 12 - 4 + 8 = 　 　 　 　 　 　 　 　 　 　 　 　 81 单元三 　 第 3 课时　 整十数加一位数及相应的减法(1) 1 年级 下 S 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　70 + 3 = 73 - 3 = 73 - 70 = 50 + 4 = 54 - 4 = 54 - 50 = 80 + 5 = 28 - 8 = 6 + 40 = 56 - 50 = 85 - 80 = 82 - 2 = 63 - 3 = 70 + 6 = 93 - 90 = 98 - 90 = 78 - 8 = 2 + 60 = 43 - 3 = 38 - 30 = 76 - 6 = 80 + 4 = 90 + 9 = 67 - 7 = 69 - 9 = 67 - 60 = 6 + 50 = 43 - 40 = 53 - 3 = 77 - 70 = 98 - 8 = 25 - 5 = 50 + 7 = 45 - 5 = 2 + 80 = 93 - 3 = 70 + 5 = 49 - 9 = 26 - 20 = 60 + 9 = 57 - 50 = 30 + 8 = 74 - 4 = 8 + 80 = 87 - 7 = 79 - 70 = 65 - 5 = 20 + 2 = 　 　 　 　 　 　 　 　 　 　 　 　 91 单元三 　 第 4 课时　 整十数加一位数及相应的减法(2) 1 年级 下 S 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　50 + 7 = 39 - 9 = 23 - 20 = 60 + 7 = 40 + 4 = 97 - 7 = 70 + 9 = 85 - 5 = 64 - 4 = 60 + 3 = 10 + 9 = 77 - 70 = 50 + 3 = 37 - 7 = 80 + 9 = 53 - 3 = 64 - 60 = 46 - 6 = 40 + 6 = 8 + 70 = 36 - 6 = 2 + 80 = 75 - 70 = 60