北师大版数学二年级上册《长颈鹿和小鸟》课件 (2).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,*,长颈鹿和小鸟,北师大版二年级数学上册,学习目标,继续认识除法及其意义；,巩固乘法口诀；,会利用乘法口诀求商。,我们有,42,只,6,只小鸟住一间房子。,42,只,一间房子住,6,只小鸟,我要为它们准备几间房子？,=(,间,),42,6,7,口诀,:,六,(),四十二,七,我们有,48,只,6,只小鸟住一间房子。,我要为它们准备几间房子？,48,只,住,6,只,=(,间,),48,6,8,口诀,:,六,(),四十八,八,56,只,住,7,只,=(,间,),56,7,8,口诀,:,七,(),五十六,八,63,只,住,7,只,=(,间,),63,7,9,口诀,:,七,(),六十三,九,7 =56,9 =63,3 =21,7 =28,9=45,6=42,5=35,4=36,8,7,7,4,5,7,7,9,被除数,63,48,45,32,56,除数,9,6,5,8,7,商,7,8,9,4,8,3,9,7,24,8,2,8,4,54,6,72,8,45,5,27,9,35,5,42,6,64,8,8,送小动物回家,7,9,8,32,4,45,5,16,2,14,2,42,6,35,5,63,7,54,6,56,7,49,7,72,9,=,56,8,7,有,56,个梨,平均分给,8,个小朋友,每个小朋友可以分几个梨,?,(,个,),有,63,只小鸟,平均排成,7,队,每队有几只小鸟,?,=,63,7,9,(,只,),总结,通过本节课的学习，你有哪些收获？,小蜗牛找家,648,81,9,49,7,9,7,8,36,4=,45,9=,63,7=,72,8=,56,7=,9,5,9,9,8,四六二十四,四九三十六,五七三十五,三八二十四,364,49,6,4,8,3,9,4,35,7,24,6,36,9,24,8,355,497,186,284,728,455,279,355,426,3,7,9,24,8,6,6,4,3,8,3,4,