新北师大版一年级数学《搭积木》课件.ppt
精选,1,搭 积 木,精选,2,精选,3,10,3,精选,4,10,3,2,13,+2,=,精选,5,10,3,14,15,精选,6,10,3,2,13,+2,=15,精选,7,10,3,2,13,+2,=,10+3,3+2=5,5+10=15,精选,8,14+5=,精选,9,14+5=,10+4,19,4+5=9,9+10=19,精选,10,18块,精选,11,精选,12,18,2,=16,精选,13,18,2,=16,精选,14,18,2,=16,10+8,82=6,6+10=16,精选,15,17 6=,精选,16,17 6=,10+7,11,76=1,1+10=11,精选,17,精选,18,13,3,10,精选,19,17,17,5,12,精选,20,哪两个数加起来是18?填在算式中。,精选,21,精选,22,197=,13+5=,15+3=,163=,5+13=,12+6=,164=,15+4=,12,18,18,12,13,18,18,19,精选,23,相碰的做加法,12+3=,精选,24,相碰的做加法,12+3=,15,精选,25,相碰的做加法,12+4=,精选,26,相碰的做加法,12+4=,12+6=,18,精选,27,相碰的做加法,12+4=,精选,28,相碰的做加法,12+4=,14,精选,29,相碰的做加法,12+4=,16,精选,30,相碰的做减法,