《求未知数》10以内的加法和减法PPT课件
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课前准备歌
上课铃声叮铃响
小朋友们进教室
文具课本放整齐
静候老师把课上
1、2、3,静下来
4、5、6,坐端正
开火车,算一算
3 + 4 = 5 + 5 = 7 + 3 = 7 – 2 =
5 + 4 = 6 + 3 = 4 + 4 = 3 + 7 =
8 – 6 = 6 + 4 = 8 – 5 = 10 – 5 =
5 + 5 = 10 – 6 = 8 + 2 = 7 + 2 =
5 + 3 = 10 – 3 = 10 – 1 = 2 + 7 =
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