大班数学《9的组成和加减》PPT课件9的组成和加减.ppt
9的组成和加减,1,8,9,2,6,3,7,4,5,5,4,6,7,8,3,2,1,9,小,大,左,右,第一关,7,8,1,2,3,6,找朋友(两个数相加等于9,看图填分合式,并列式计算。,=,=,=,=,9,5,4,9,9,9,9,4,4,4,4,5,5,5,5,+,+,+,=,=,=,=,+,9,3,6,9,9,9,9,3,3,3,3,6,6,6,6,=,=,=,=,9,1,8,9,9,9,9,1,1,1,1,8,8,8,8,+,+,=,=,=,=,9,7,2,9,9,9,9,7,7,7,7,2,2,2,2,+,+,算一算,1+8=2+7=3+6=4+5=5+4=6+3=7+2=8+1=9-1=9-2=9-3=9-4=9-5=9-6=9-7=9-8=,小兔探险记 看图编9的应用题,谢谢小朋友们,你们真棒!再见!,