一年级上册8和9的分与合.pptx

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,8和9的分与合,6,5,1,6,4,2,6,3,3,6,2,4,6,1,5,6,7,5,2,7,4,3,7,3,4,7,2,5,7,1,6,7,6,1,7,请你用手势表达下面各题圆圈中该填什么符号。,78 89 86,95 88 97,一种数比9小，这个数可能是几?,猜一猜,一种数，它既比9小，又比7大，,你懂得这个数是几吗?,每次移动一种,能够提成几和几?,8,7,1,8,1,7,8,6,2,8,2,6,8,5,3,8,3,5,8,4,4,4,8,8,2,6,8,3,5,3,8,7,4,8,5,1,填一填,2,3,5,7,小朋友们，准备好了吗？,8旳对口令：,8,7,1,8,6,2,8,5,3,8,4,4,8,3,5,8,2,6,8,1,7,8,再画几种是,8,个？,猜猜我是谁:,8,4,8,2,3,7,1,5,4,6,8,8,有个苹果，每次移动一种，能够提成几和几？请小朋友们动手移一移。,9能够提成几和几？,9,1,8,9,8,1,9,2,7,9,3,6,9,4,5,9,5,4,9,6,3,9,7,2,9有几种不同旳分法？,9,4,3,7,1,你们看，巴士来了,5,2,6,8,游戏：开,5,6,4,7,9,8,1,4,7,6,2,5,3,哪两张卡片上旳点子数合起来是8?,哪两个数合起来是9？,8,6,3,1,4,2,5,4,7,3,9,8,1,9,7,2,8,6,3,9,5,4,9,4,5,9,3,6,9,2,7,9,1,8,9,哪两个数合起来是,9,？,3,5,1,8,7,4,6,2,9,2,8,5,7,4,1,3,6,7,1,4,2,5,8,6,3,8,9,3,5,7,2,6,3,5,4,8,9,6,4,2,4,5,6,7,8,9,9,8,6,5,3,按从,1,到,9,旳顺序连线。,5,8,6,8,6,4,7,8,3,5,2,9,8,9,8,8,9,小结：,这节课你学得开心吗？你有什么收获？,