北师大版数学二年级上册《做家务》课件.ppt
,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,2,4,6,8,10,12,14,16,18,你能编出这些口诀吗?,每次加2,把得数填在空格里。,4,6,8,10,12,14,16,18,你说我摆。,24,说一说,写一写.,29=18,92=18,二九十八,2,4,6,8,10,12,14,16,18,32=,24,建房子,8,6,25=,10,72=,14,26=,12,54=,20,42=,8,51=,5,92=,18,75=,35,82=,16,53=,15,21=,2,55=,25,22=,4,85=,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。,