北师大版数学二年级上册《做家务》课件.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,做家务,北师大版二年级数学上册,学习目标,会推导,2,的乘法口诀；,熟记,2,的乘法口诀；,会计算,2,的乘法算式。,2,4,6,8,10,12,14,16,18,摆一摆,筷子双数,1,2,3,4,5,6,7,8,9,筷子根数,2,4,6,8,10,12,14,16,18,你能编出这些口诀吗？,12=2,一二得二,22=4,二二得四,23=6,二三得六,24=8,二四得八,25=10,二五一十,26=12,二六十二,27=14,二七十四,28=16,二八十六,29=18,二九十八,每次加,2,，把得数填在空格里。,2,4,6,8,10,12,14,16,18,你说我摆。,24,说一说,写一写.,29=18,92=18,二九十八,山羊只数,1,2,3,4,5,6,7,8,9,山羊角个数,2,4,6,8,10,12,14,16,18,32=,24,建房子,8,6,25=,10,72=,14,26=,12,54=,20,42=,8,51=,5,92=,18,75=,35,82=,16,5,3=,15,21=,2,55=,25,22=,4,8,5=,40,胜利！,=,2,9,18,(,只,),一共有多少只兔子,?,4,个人有几只手,?,=,2,4,8,(,只,),8,只手有几个手指,?,=,5,8,40,(,个,),总结,本节课学习,2,的乘法口诀，请同学们课后多多的练习，熟记,2,的乘法口诀，应用,2,的乘法口诀。,