北师大版数学二年级上册《做家务》.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,精选课件,*,做家务,北师大版二年级数学上册,1,精选课件,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,精选课件,3,精选课件,4,精选课件,2,4,6,8,10,12,14,16,18,摆一摆,5,精选课件,筷子双数,1,2,3,4,5,6,7,8,9,筷子根数,2,4,6,8,10,12,14,16,18,6,精选课件,你能编出这些口诀吗？,7,精选课件,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=18,二九十八,8,精选课件,每次加2，把得数填在空格里。,2,4,6,8,10,12,14,16,18,9,精选课件,你说我摆。,24,10,精选课件,说一说,写一写.,29=18,92=18,二九十八,11,精选课件,山羊只数,1,2,3,4,5,6,7,8,9,山羊角个数,2,4,6,8,10,12,14,16,18,12,精选课件,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！,13,精选课件,=,2,9,18,(只),一共有多少只兔子?,14,精选课件,4个人有几只手?,=,2,4,8,(只),15,精选课件,8只手有几个手指?,=,5,8,40,(个),16,精选课件,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。,17,精选课件,