北师大版数学二年级上册《小熊请客》课件 (2).ppt
小熊请客,北师大版二年级数学上册,1串红果有4个果子,2串就有8个,9串需要多少个红果呢?,4,8,12,16,20,24,28,32,36,你能编出这些口诀吗?,41,24,34,64,45,94,找新家,14,42,49,46,54,43,38,45,9+9,62,63,36,34,64,26,54,6+6,10+10,12,24,18,20,36,20,12,8,28,小蜗牛找家,8,20,4,28,20,小兔子回家,12,24,36,32,