1、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,*,认识时间,团风思源实验 学校 童爱珍,猜一猜,我有一个好朋友,滴滴答答不停地走,,叫我学习和休息,真是我的好帮手。,1,上课。,问题:钟表上现在是什么时间?,二、体会刻度与时针、分针的关系,(一)认识钟面,问题,1,:关于钟面你们都知道哪些知识?,问题,2,:你还有其他发现吗?,钟面上,一共有(,)大格,1,大格有(,)小格,一共有(
2、小格,1,2,3,4,5,7,6,8,11,12,10,9,钟面上,一共有(,)大格,1,大格有(,)小格,一共有(,)小格,1,2,3,4,5,7,6,8,11,12,10,9,12,1,2,3,4,5,7,6,8,11,12,10,9,(,),(,),5,10,15,1,2,3,4,5,7,6,8,11,12,10,9,5,10,25,30,20,15,60,35,40,45,50,55,钟面上,一共有(,)大格,1,大格有(,)小格,一共有(,)小格,1,2,3,4,5,7,6,8,11,12,10,9,12,60,5,1,2,3,4,5,7,6,8,11,12,10,9,1,时,=
3、60,分,1,2,3,4,5,7,6,8,11,12,10,9,分针每走,1,小格是,1,分钟。,1,2,3,4,5,7,6,8,11,12,10,9,5,1,2,3,4,5,7,6,8,11,12,10,9,5,10,15,20,25,30,35,40,45,50,55,11,12,10,1,3,4,5,6,9,8,7,5,9,时,5,分,9:05,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,6,时,25,分,6:25,9,时,15,分,9,:,15,11,时,55,分,11,:,55,9,时,30,分,9,:,30,6,时,40,分,6,:,40,8,时,35,分,8,:,35,1:25,1,时,25,分,8:05,8,时,5,分,6:50,6,时,50,分,认一认,拨一拨,3,时零,5,分,5,时,45,分,9,时,20,分,11,时,55,分,考考你,相信你一定行,!,3,:,10,7,:,15,1,:,20,2,:,40,10,:,45,5,:,25,6,:,50,8,:,55,这节课你学会了什么?,