人教版一年级数学上册6和7的加减法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,*,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,*,六、6和7的加减法,用数学,人教版一年级数学上册第三单元,一1班,5 + 1 = 6,1 + 5 = 6,7,-,1 = 6,7,-,6 = 1,摆一摆。,4 + 2 =,2 + =,6,-,2 =,6,-,=,5 + 2 =,2 + =,7,-,2 =,7,-,=,3 + =,6,-,3 =,想一想。,2 + 4 =,7,-,3 =,3 + 4 =,1 + 6 =,4 + 3 =,7,-,4 =,6,-,5 =,6,-,1 =,4 + 2 =,我,7 岁了,。,我家有,5 口人。,我在一年,级,4,班,。,我家住,302。,4 + =,2,6,人,7,-,=,7,个,3,4,个,6,个,6 =,3,3,-,个,只,5 =,2,7,+,1.,6,4 2,4,6,2,5 1,3,6,3,2,7,5,3 4,1,7,6,7,6,7 5 4,2 3 5,4,6,7,6,3,2,2.,把右边的,6 只熊猫圈在一起。,在左数第 7 只熊猫的上面画 1 个 。,3.,6,-,=,2,4,-,=,6,4,2,4.,4 + =,3,7,+,=,3,4,7,7,-,=,-,=,5.,5,7,2,2,5,7,-,2,7,-,43 + 36,-,2,3,4,5,6,6,-,5,2 + 5,5,-,3,7,-,7,0127,6.,7. 哪两张卡片上点子的数相加得 6,哪两张卡片上点子的数相加得 7,4 + 2 = 6,2 + 4 = 6,8.,拿出两张数字卡片，用大的数减小的数。,7,-,2,=,5,7,2,5,4,3,1,0,6,3 + 4 = 4 + 2 = 7,-,3 =,4,-,2 = 7,-,4 = 2 + 5 =,7,-,5 = 1 + 6 = 6,-,4 =,5,-,0 = 6,-,3 = 5,-,3 =,7,6,4,2,3,7,2,7,2,5,3,2,9.,( ),个,7,10.,( ),个,( ),个,7,5,11.,+,=,6,1,7,+,5,1,6,2,=,7,=,+,4,3,7,2,=,6,=,1,5,=,+,3,2,5,4,=,7,=,1,4,=,3,6,=,7,只,7 =,3,4,-,6,只,6 =,2,4,-,？,条,6 =,1,7,+,12.,？,只,？,只,6,条,13.,只,4 + =,2,6,7,只,7 =,1,6,-,？,只,-,=,14. 用下面的数字卡片,你能摆出几种算式,+,=,2,5,7,-,=,5,1,4,+,=,2,3,5,-,=,5,2,3,+,=,2,1,3,-,=,5,3,2,+,=,3,4,7,7,6,1,2,5,7,0,6,3,1,4,