第二单元 认识图形(二)-【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）

单元二 　 第 1 课时　 认识图形(1) 1 年级 下 S 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　13 - 8 = 14 - 5 = 16 - 8 = 12 - 7 = 13 - 9 = 12 - 8 = 14 - 6 = 11 - 8 = 15 - 7 = 18 - 9 = 11 - 4 = 12 - 5 = 13 - 4 = 11 - 2 = 13 - 3 = 7 + 6 = 5 + 9 = 17 - 8 = 13 - 5 = 12 - 9 = 11 - 3 = 15 - 8 = 16 - 7 = 14 - 8 = 16 - 9 = 14 - 9 = 13 - 7 = 11 - 6 = 13 - 9 + 3 = 15 - 7 + 5 = 11 - 5 - 3 = 14 - 8 + 4 = 12 - 6 + 8 = 13 - 4 - 3 = 4 + 8 - 5 = 7 + 6 - 8 = 5 + 8 - 7 = 11 - 4 + 6 = 7 + 7 - 8 = 7 + 4 - 3 = 10 + 5 - 8 = 2 + 8 + 7 = 5 + 9 - 6 = 9 + 4 - 8 = 　 　 　 　 　 　 　 　 　 　 　 　 31 单元二 　 第 2 课时　 认识图形(2) 1 年级 下 S 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　13 - 3 = 12 - 5 = 17 - 8 = 6 + 5 = 14 - 9 = 13 - 4 = 12 - 2 = 17 - 9 = 6 + 6 = 16 - 8 = 8 + 9 = 12 - 7 = 6 + 7 = 11 - 6 = 12 - 4 = 15 - 8 = 13 - 6 = 8 + 3 = 16 - 9 = 14 - 6 = 18 - 8 = 12 - 9 = 11 - 3 = 13 - 5 = 11 - 8 = 15 - 6 = 11 - 7 = 14 - 7 = 7 + 5 = 18 - 9 = 19 - 9 = 16 - 7 = 7 + 8 - 9 = 10 - 3 - 2 = 14 - 7 + 5 = 12 - 5 + 6 = 9 + 3 - 8 = 13 - 4 - 7 = 9 + 4 - 6 = 5 + 6 - 7 = 15 - 8 + 7 = 8 + 7 - 6 = 7 + 6 - 9 = 6 + 6 - 4 = 7 + 6 - 8 = 9 + 6 - 8 = 14 - 6 - 5 = 13 - 6 + 8 = 　 　 　 　 　 　 　 　 　 　 　 　 41 单元二 　 第 3 课时　 练习四 1 年级 下 S 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　13 - 6 = 12 - 4 = 15 - 9 = 11 - 3 = 18 - 9 = 15 - 7 = 12 - 5 = 14 - 7 = 4 + 7 = 13 - 5 = 11 - 5 = 12 - 8 = 14 - 6 = 13 - 7 = 11 - 7 = 16 - 8 = 12 - 9 = 18 - 8 = 15 - 6 = 14 - 5 = 14 - 8 = 13 - 4 = 12 - 7 = 16 - 7 = 17 - 9 = 16 - 9 = 15 - 8 = 12 - 6 = 17 - 8 + 2 = 13 - 4 - 6 = 13 - 7 + 2 = 16 - 7 + 8 = 14 - 9 - 2 = 15 - 6 + 5 = 9 + 8 - 9 = 4 + 8 - 9 = 16 - 9 - 6 = 10 + 8 - 9 = 10 + 2 - 5 = 7 + 5 - 7 = 6 + 5 - 9 = 14 - 7 + 8 = 5 + 9 - 8 = 9 + 3 - 6 = 　 　 　 　 　 　 　 　 　 　 　 　 51 单元二 　 第二单元计算易错专练 1 年级 下 S 1. 直接写出得数。 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　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 =