,新课程 新思想 新理念,苏教版一年级数学多媒体课件,认数,小猴摘桃,30 + 4 =,?,(个),加数,加数,和,+ =,3,0 +,4 =,?,30+4=34,34,30,+,4,=,34,34 30 =,?,(个),被减数,减数,差, =,3,4,3,0=,?,3430=4,4,3,4,34,-,30,=,4,4,+,30,=,34,34,-,4,=,30,40,5,45,45,5,40,5,40,45,45,40,5,20,8,28,28,8,20,8,20,28,28,20,8,智慧城堡,加油啊！,它们该坐哪个车厢，连一连。,40+2,4+60,50+4,70+7,50+3,53,45-40,78-8,6+40,39-30,5+30,5,70,35,46,9,找新家,49-40,小猴摘桃,48-8,57-7,26-20,89-80,9,40,50,6,9,20,4,24,根据上图列算式并计算。,38,30,8,谢 谢,制作：黄静,
