资源描述
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,*,二年级数学下册,认识时、分、秒,广民双语艺术学校,12,1,2,3,4,5,6,7,8,9,10,11,5,10,15,20,25,30,35,40,45,50,55,60,12,1,2,3,4,5,6,7,8,9,10,11,12,时针与分针的关系,钟面上有()个大格,,()个小格,时针走,1,大格是()时,分针走一小格是()分,走一大格是()分,时针走,1,大格,分针正好走()圈,1,时,60,分,12,60,1,1,5,1,1,时,=60,分,说一说、写一写,钟面上的时刻,12,1,2,3,4,5,6,7,8,9,10,11,10,时,15,分,10 15,:,12,1,2,3,4,5,6,7,8,9,10,11,4,时,45,分,4 45,:,12,1,2,3,4,5,6,7,8,9,10,11,6,时,5,分,6 05,:,12,1,2,3,4,5,6,7,8,9,10,11,8,时,55,分,8 55,:,认一认:,00,9:08,9:30,9:45,1:57,10:,24,4:17,4:59,10:00,6:31,8:10,12:00,小明的一天:,7:45,9:05,10:25,3:25,世界上最宝贵的是时间,一寸光阴一寸金,寸金难买寸光阴。对人们来说,时间就是生命,时间是人所拥有的全部财富。让我们好好珍惜每一分钟吧!,本课小结,同学们,你们会认时、分了吗?,我们要做一个遵守时间、爱惜时间的好孩子。你们说对不对啊?,
展开阅读全文