5的组成和分解,2,3,1,4,小朋友，你发现什么了吗？,4、5。,5,5 - 2 =,3,5、4、3。,3,3 + 2 = 5,5,读作：3 加 2等于 5,一共有多少小朋友？,3+2=,5,看图列式,5-2=,3,5-2=3,4+1=5,4+1=5,1,4,5,5,2,5,1,4,4,1,5 + 0 =,2 + 3 =,1 + 4 =,3 + 2 =,4 + 1 =,5 + 0 =,0 + 5 =,5,5,5,5,5,5,5 - 0 =,5 - 1 =,5 - 2 =,5 - 3 =,5 - 4 =,5 - 5 =,o,1,2,3,4,5,WXG制,
