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认识时间,钟面上都有什么?,大格,刻度,小格,时针,分针,1,2,3,4,5,7,6,8,11,12,10,9,12,1,2,3,4,5,7,6,8,11,12,10,9,5,1,2,3,4,5,7,6,8,11,12,10,9,5,10,15,1,2,3,4,5,7,6,8,11,12,10,9,5,10,25,30,20,15,60,35,40,45,50,55,钟面上一共有60个小格。,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()个大格,每大格里有()个小格,一共有()个小格。,12,5,60,1小时,时针走一大格,时间经过1小时。,1,2,3,4,5,6,7,8,9,10,11,12,分针走一圈,时间经过分。,60,分针走一小格,时间经过1分钟。,5分,10分,20分,45分,55分,60分,=,分针走一圈,时针走一个大格。1时=60分,一节课是()分,课间休息是()分,再加上()分,就是1小时。,40,10,10,体验一小时有多长,11,12,10,1,3,4,5,6,9,8,7,2,从四时开始数。,4时5分,4:05,11,12,10,1,3,4,5,6,9,8,7,2,从四时开始数。,4时30分或4时半,4:30,11,12,10,1,3,4,5,6,9,8,7,2,从四时开始数。,4时45分,4:45,我会连线,认一认,考考你,相信你一定行!,3:10,7:15,1:20,2:40,10:45,5:25,6:50,8:55,1、动手操作。在你的钟面上拨出6时25分。,2、小组合作。1人说时间,1人拨时间。,3、自主探究。拨一个自己喜欢的时间,并说说你在这个时间干什么?,钟面上有,个大格,,个小格。,时针走个大格是,分针走个小格是,时针走个大格,分针正好走,走大格是,时。,分,,圈,,分。,是,分。,12,60,1,1,5,1,60,孩子们:,时间是一个魔法师,它使勤奋的人越来越聪明,使懒惰的人越来越愚蠢!时间对于我们来说是非常宝贵的,我们一定要珍惜时间呀!,
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