一年级数学上册第六单元：6-10的认识和加减法6.1-6和7的认识课件.ppt

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,*,6、7的认识,和加减法,6,7,6,7,1,2,3,4,5,6,7,5,6,6,7,6,5,7,6,5,6,7,左数第,6,瓶有,条,左数第,6,瓶有条,。,有,6,条的是第瓶。,左数第,6,瓶有条 。,有,6,条的是第瓶。,第,7,瓶有条 。,画一画，分一分。,6,5,1,6,4,2,6,3,3,6,2,4,6,1,5,7,个 分成两堆，有几种分法？,7,6,1,7,5,2,7,2,5,7,4,3,7,3,4,7,6,1,5,+,1,=,6,5,+,1,=,6,1,+,5,=,6,+,=,3,4,7,+,=,4,3,7,7,-,1,=,6,7,-,1,=,6,7,-,6,=,1,-,=,6,1,5,-,=,6,5,1,-,=,7,3,4,-,=,7,4,3,