第4单元 有趣的图形-【优佳好】2023-2024学年一年级下册数学口算计算能力提升（北师大版）

单元四 　 第 1 课时　 认识图形 1 年级 下 B 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　17 - 9 = 12 - 6 = 14 - 6 = 5 + 8 = 11 - 6 = 16 - 9 = 7 + 2 = 15 - 7 = 15 - 6 = 8 + 9 = 13 - 5 = 18 - 9 = 16 - 8 = 12 - 8 = 13 - 7 = 14 - 5 = 14 - 8 = 11 - 3 = 15 - 8 = 11 - 4 = 12 - 5 = 8 + 4 = 17 - 8 = 13 - 9 = 15 - 9 = 12 - 9 = 14 - 4 = 8 + 8 = 11 - 2 = 14 - 7 = 16 - 7 = 15 - 5 = 8 + 6 - 9 = 9 + 8 - 9 = 16 - 7 - 5 = 17 - 8 + 2 = 7 + 7 + 4 = 3 + 7 + 5 = 5 + 6 - 9 = 15 - 5 + 6 = 18 - 4 - 9 = 13 - 7 + 8 = 18 - 4 - 6 = 19 - 6 - 3 = 12 - 5 + 7 = 4 + 8 - 5 = 12 - 6 + 5 = 15 - 7 + 8 = 　 　 　 　 　 　 　 　 　 　 　 　 12 单元四 　 第 2 课时　 动手做(一) 1 年级 下 B 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　9 + 3 = 14 - 9 = 11 - 2 = 6 + 5 = 16 - 8 = 14 - 6 = 5 + 7 = 7 + 9 = 15 - 9 = 13 - 5 = 11 - 3 = 14 - 8 = 16 - 7 = 8 + 8 = 14 - 7 = 13 - 9 = 2 + 9 = 8 + 10 = 6 + 7 = 5 + 8 = 9 + 9 = 13 - 8 = 12 - 2 = 11 - 7 = 8 + 4 = 12 - 9 = 13 - 6 = 14 - 5 = 11 - 8 = 15 - 6 = 8 + 9 = 18 - 8 = 5 + 7 - 8 = 6 + 5 - 2 = 7 + 9 - 8 = 8 + 8 - 9 = 14 - 8 + 7 = 13 - 6 - 4 = 15 - 3 - 8 = 19 - 8 - 8 = 16 - 9 + 5 = 12 + 3 - 6 = 3 + 9 - 5 = 11 - 2 + 4 = 15 - 7 + 6 = 7 + 9 - 6 = 8 + 4 - 5 = 2 + 9 - 8 = 　 　 　 　 　 　 　 　 　 　 　 　 22 单元四 　 第 3 课时　 动手做(二) 1 年级 下 B 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　8 + 10 = 6 + 7 = 5 + 9 = 14 - 3 = 11 - 2 = 13 - 4 = 15 - 6 = 12 - 8 = 13 - 6 = 11 - 7 = 12 - 9 = 14 - 8 = 14 - 7 = 11 - 5 = 12 - 4 = 13 - 5 = 15 - 8 = 14 - 9 = 8 + 6 = 7 + 5 = 11 - 8 = 11 - 9 = 12 - 7 = 14 - 4 = 15 - 7 = 15 - 9 = 16 - 8 = 7 + 8 = 3 + 8 = 17 - 8 = 15 - 5 = 16 - 9 = 15 - 4 - 6 = 4 + 8 - 5 = 3 + 5 + 7 = 6 + 8 - 9 = 2 + 9 - 5 = 7 + 7 - 4 = 6 + 5 - 8 = 11 - 4 + 6 = 14 - 7 - 3 = 18 - 9 - 3 = 8 + 8 - 9 = 12 - 3 + 6 = 11 - 5 + 6 = 17 - 8 + 9 = 7 + 5 - 6 = 2 + 8 + 5 = 　 　 　 　 　 　 　 　 　 　 　 　 32 单元四 　 第 4 课时　 动手做(三) 1 年级 下 B 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　5 + 6 = 3 + 9 = 11 - 2 = 11 - 7 = 11 - 5 = 12 - 3 = 13 - 4 = 14 - 7 = 4 + 7 = 4 + 9 = 14 - 5 = 14 - 6 = 11 - 4 = 12 - 4 = 13 - 6 = 11 - 9 = 3 + 8 = 5 + 7 = 12 - 7 = 1