(北师大版)一年级数学上册课件-可爱的企鹅.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,*,*,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,*,*,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,*,*,(北师大版)一年级数学上册课件_可爱的企鹅,(北师大版)一年级数学上册课件_可爱的企鹅(北师大版)一年级数学上册课件_可爱的企鹅.进一步巩固与的加减法。,.学会解决简单的加减法数学问题。,.培养同学们的观察能力、理解能力和语言表达能力。教学目标2,.进一步巩固与的加减法。,.学会解决简单的加减法数学问题。,.培养同学们的观察能力、理解能力和语言表达能力。,教学目标,2,3,？只,4,6+3=9,5,？,只,9只,6,9-6=3,7,？,只,9只,8,9-3=6,9,8,1,2,3,5,7,2,7,10,8,1,2,3,5,7,2,7,6,11,8,1,2,3,5,7,2,7,6,5,12,8,1,2,3,5,7,2,7,6,5,4,13,8,1,2,3,5,7,2,7,6,5,4,3,14,8,1,2,3,5,7,2,7,6,5,4,3,6,15,8,1,2,3,5,7,2,7,6,5,4,3,6,1,16,8,1,2,3,5,7,2,4,4,7,6,5,3,1,0,8,6,17,9,1,2,5,7,8,6,5,3,9,1,2,3,4,5,6,7,8,9,8,7,6,5,4,3,2,1,0,18,9-3=8-8=7-5=,4+3=3+5=4+1=,3+6=9-5=6+2=,6,7,9,0,8,4,8,2,5,19,9个,=,？个,9,-,5,4,20,21,6,2,8,22,2,6,23,=,=,=,24,=,=,=,=,25,=,=,=,26,=,=,=,27,谢谢！,28,谢谢！,