课件17张PPT。6、7减几苏教版一年级数学上册3 + 3 = 6 + 1 = 4 - 3 =
5 - 1 = 2 + 5 = 0 + 5 =
647715真棒看谁算的对又快66 – 2 = 46 – 4 = 2试一试怎样列式呢?7 – 2 = □ 7–□ = □55244315651记得检查
想想做做1.163记得检查
想一想,填一填。2.123321345记得检查
5.我们一起做游戏吧记得检查
6. 7- = 6 1 1 6 7- = 5 2 2 5 7- = 4 3 3 47.你们真了不起!