第3单元 分类与整理-【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 3 　 第 1 课时　 分类与整理(教材 P27 ~ 28) 1 年级 下 R 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　14 - 6 = 7 + 6 = 15 - 8 = 13 - 9 = 12 - 8 = 18 - 9 = 13 - 5 = 12 - 6 = 16 - 8 = 12 - 7 = 11 - 4 = 15 - 6 = 11 - 9 = 13 - 6 = 12 - 5 = 11 - 8 = 16 - 9 = 11 - 3 = 13 - 7 = 14 - 5 = 15 - 7 = 8 + 4 = 11 - 6 = 15 - 9 = 14 - 7 = 16 - 7 = 17 - 8 = 19 - 9 = 4 + 5 + 9 = 12 - 6 - 5 = 3 + 6 + 7 = 14 - 7 + 6 = 11 - 8 + 9 = 5 + 9 - 6 = 19 - 5 - 8 = 5 + 7 - 6 = 4 + 8 - 6 = 16 - 8 + 5 = 13 - 7 + 5 = 15 - 8 + 6 = 13 - 9 + 8 = 11 - 2 - 8 = 12 - 6 + 7 = 14 - 9 + 5 = 7 + 7 - 8 = 12 - 8 + 6 = 5 + 9 - 8 = 3 + 8 - 7 = 　 　 　 　 　 　 　 　 　 　 　 　 02 单元 3 　 第 2 课时　 练习课(教材 P29) 1 年级 下 R 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　12 - 2 = 3 + 8 = 16 - 7 = 15 - 8 = 6 + 7 = 12 - 7 = 13 - 8 = 14 - 5 = 15 - 7 = 12 - 4 = 15 - 6 = 3 + 9 = 4 + 7 = 17 - 8 = 3 + 16 = 12 - 5 = 11 + 8 = 13 - 6 = 16 - 6 = 17 - 8 = 18 - 9 = 5 + 6 = 18 - 5 = 8 + 7 = 14 - 9 = 12 - 9 = 15 - 9 = 12 - 6 = 11 - 7 = 16 - 8 = 14 - 7 = 13 - 9 = 5 + 2 + 8 = 15 - 7 + 6 = 14 - 8 - 5 = 9 + 4 - 6 = 18 - 9 + 6 = 10 + 6 - 7 = 13 - 9 + 8 = 7 + 6 - 8 = 7 + 7 - 8 = 4 + 5 + 8 = 8 + 6 - 9 = 3 + 9 - 7 = 2 + 9 - 4 = 13 - 5 - 4 = 17 - 6 - 8 = 10 - 5 + 8 = 　 　 　 　 　 　 　 　 　 　 　 　 12 单元 3 　 第 3 单元计算易错专练 1 年级 下 R 1. 直接写得数。 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　8 + 9 = 16 - 7 = 11 - 4 = 16 - 8 = 13 - 7 = 14 - 8 = 13 - 9 = 11 - 7 = 15 - 5 = 3 + 9 = 15 - 9 = 11 - 9 = 12 - 5 = 13 - 8 = 12 - 6 = 14 - 7 = 18 - 9 + 7 = 12 - 2 + 5 = 6 + 4 + 3 = 16 - 6 + 8 = 8 + 5 - 9 = 12 - 9 + 7 = 17 - 9 + 4 = 16 - 9 - 6 = 6 + 7 - 8 = 17 - 3 - 8 = 7 + 5 - 8 = 14 - 8 + 7 = 2. 在( 　 　 )里填上合适的数。 14 - ( 　 　 　 ) = 8　 　 　 　 5 + ( 　 　 　 ) = 12　 　 　 　 7 + ( 　 　 　 ) = 16 ( 　 　 　 ) - 7 = 9 ( 　 　 　 ) + 9 = 18 ( 　 　 　 ) + 5 = 14 15 - ( 　 　 　 ) = 6 13 - ( 　 　 　 ) = 5 6 + ( 　 　 　 ) = 13 3. 在 里填上“ > ”“ < ”或“ = ”。 7 + 8 16　 　 　 　 　 15 - 7 11 - 8　 　 　 　 　 16 - 9 14 - 5 14 - 8 6 12 - 6 14 - 7 18 - 8 15 - 6 11 - 7 5 13 - 8 14 - 9 18 - 5 5 + 9 4. 想一想,填一填。 　 　 　 　 　 　 　 　 　 　 　 　 22 着1年级下R 参