小猫吃鱼,盘里有( )条鱼。,3,吃一条,还剩( )条。,31=,2,2,又吃一条,还剩( )条。,21=,1,1,再吃一条,还剩( )条。,11=,0,0,1+3=4,4 =,1,3,吹了( )个泡。,5,5 =,1,4,4 =,2,2,2 =,2,0,1,1,2,4,3,做加法,试一试,你准行!,4,5,2,3,5,1,2,3,4,做减法,试一试,你准行!,1,2,4,3,总结: 大家交流一下这节课都学到了什么?,1+3=4,3,1,52=,4+1=,41=,32=,2+3=,54=,55=,40=,3,5,3,1,5,1,0,4,算一算。,5,4,1,2,3,4,5,4,3,2,1,4,3,2,1,0,0,1,2,3,