小班数学《5的组成和加减法》PPT课件教案ppt课件.ppt

5的组成和加减法,4,3,1,1,2,4,3,2,3,4,2,1,我会分与合。,5个苹果，分成2份，怎么分，请画出来。,5,4,1,2,3,3,2,4,1,1+4=5,4+1=5,2+3=5,1.,3.,2.,看一看，想一想,4.,3+2=5,摆一摆、说一说,5,-,1,=,4,5,-,4,=,1,摆一摆、说一说,5,-,2,=,3,5,-,3,=,2,看一看，说一说,5,4,5,2,4,5,5,3,1,3,1,2,看一看，说一说,5,1,5,3,1,5,5,2,4,2,4,3,3,+=,2,5,2,3,5,4,1,5,1,4,5,+=,+=,+=,看图列式,+,+,+,+,看图列算式,1,4,5,+,=,5,2,3,-,=,看图列算式,4,1,5,+,=,5,-,3,=,2,这节课，你学会了什么？,