9的分成和组成课件.ppt

9的分成和组成,教学目标：,1.在观察实物的基础上，初步理解9的分成和组成。2.尝试用数字记录自己的观察结果，发展观察力和思维能力。3.愿意参与数学活动，体验学习数学的乐趣。重点：初步理解9的分成和组成。难点：用数字记录自己的观察结果。,8,1,7,1,7,2,3,6,5,4,4,5,3,6,2,7,1,2,6,3,5,4,4,5,3,6,2,7,1,8,9,1,8,9,2,7,9,3,6,9,4,5,9,5,4,9,6,3,9,7,2,9,8,1,9的分成,9,1,8,9,2,7,9,3,6,9,4,5,9,5,4,9,6,3,9,7,2,9,8,1,15,可编辑,1,8,9,2,7,9,3,6,9,4,5,9,5,4,9,6,3,9,7,2,9,8,1,9,9的组成,1,8,9,2,7,9,3,6,9,4,5,9,5,4,9,6,3,9,7,2,9,8,1,9,1,8,1,8,2,3,7,6,4,5,5,4,6,3,7,2,2,7,3,6,4,5,5,4,6,3,7,2,8,1,9,8,1,9,练习9的分成和组成游戏“找朋友”,再见！,28,可编辑,