第6单元 100以内的加法和减法（一）-【优佳好】2023-2024学年一年级下册数学口算计算能力提升（人教版）

单元 6 　 第 1 课时　 整十数加、减整十数(教材 P62) 1 年级 下 R 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　20 + 30 = 60 - 30 = 70 + 20 = 50 + 50 = 80 - 50 = 20 + 50 = 70 - 30 = 50 - 20 = 90 - 60 = 40 + 40 = 30 + 60 = 50 + 30 = 30 + 40 = 80 - 20 = 60 - 40 = 90 - 50 = 90 - 40 = 70 - 20 = 90 - 30 = 50 + 10 = 80 - 30 = 90 + 10 = 20 + 60 = 60 - 20 = 40 - 40 = 50 + 40 = 50 - 40 = 80 + 10 = 80 - 10 = 20 + 20 = 80 - 30 = 90 - 20 = 30 + 30 = 70 - 40 = 90 - 80 = 10 + 50 = 20 + 40 = 80 - 70 = 40 + 60 = 70 - 50 = 70 - 40 - 20 = 100 - 40 + 20 = 50 + 30 - 40 = 90 - 60 - 20 = 30 + 20 - 10 = 40 + 50 - 60 = 80 - 20 - 30 = 30 + 10 + 50 = 　 　 　 　 　 　 　 　 　 　 　 　 24 单元 6 　 第 2 课时　 两位数加一位数(不进位)、整十数(1)(教材 P64) 1 年级 下 R 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　32 + 5 = 32 + 50 = 45 + 40 = 45 + 4 = 30 + 40 = 32 + 4 = 54 + 3 = 58 + 30 = 36 + 30 = 36 + 3 = 66 + 3 = 24 + 30 = 53 + 6 = 24 + 3 = 4 + 35 = 5 + 43 = 60 + 10 = 60 + 17 = 20 + 41 = 28 + 40 = 30 + 5 = 36 + 50 = 20 + 70 = 20 + 72 = 72 + 2 = 54 + 30 = 82 + 4 = 8 + 40 = 6 + 21 = 68 + 30 = 60 + 21 = 76 + 2 = 76 + 20 = 26 + 70 = 40 + 37 = 73 + 4 = 34 + 20 = 7 + 42 = 40 + 7 = 40 + 27 = 45 + 2 = 45 + 20 = 25 + 30 = 22 + 6 = 　 　 　 　 　 　 　 　 　 　 34 单元 6 　 第3课时　 两位数加一位数(不进位)、整十数(2)(教材 P64) 1 年级 下 R 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　45 + 2 = 45 + 20 = 26 + 2 = 26 + 20 = 73 + 20 = 73 + 2 = 32 + 30 = 32 + 3 = 20 + 35 = 54 + 5 = 60 + 35 = 30 + 25 = 40 + 45 = 44 + 2 = 32 + 7 = 20 + 14 = 14 + 30 = 36 + 20 = 36 + 3 = 45 + 4 = 45 + 3 = 54 + 40 = 33 + 20 = 23 + 30 = 32 + 2 = 29 + 20 = 22 + 7 = 10 + 46 = 46 + 3 = 5 + 41 = 30 + 24 = 45 + 20 = 35 + 4 = 63 + 3 = 32 + 40 = 44 + 53 = 24 + 5 = 6 + 32 = 30 + 38 = 83 + 3 = 42 + 6 = 63 + 6 = 32 + 40 = 34 + 53 = 33 + 5 = 5 + 32 = 20 + 38 = 83 + 3 = 　 　 　 　 　 　 　 　 　 　 44 单元 6 　 第 4 课时　 两位数加一位数(进位)(1)(教材 P65) 1 年级 下 R 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　38 + 6 = 53 + 9 = 45 + 7 = 36 + 9 = 28 + 5 = 43 + 8 = 25 + 8 = 16 + 6 = 49 + 9 = 75 + 9 = 34 + 8 = 66 + 7 = 38 + 4 = 44 + 8 = 65 + 6 = 26 + 5 = 78 +