新人教版二年级数学上册《认识时间》_(1).ppt

认识时间,军户农场学校 王玮,5时,8,9,10,7,6,5,4,3,2,1,12,11,7时,8,9,10,7,6,5,4,3,2,1,12,11,2时半,8,9,10,7,6,5,4,3,2,1,12,11,问题：钟表上现在是什么时间？,1,2,3,4,5,7,6,8,11,12,10,9,12,1,2,3,4,5,7,6,8,11,12,10,9,12,5,1,2,3,4,5,7,6,8,11,12,10,9,5,1,2,3,4,5,7,6,8,11,12,10,9,5,10,15,20,25,30,35,40,45,50,55,60,12,5,60,1,2,3,4,5,7,6,8,11,12,10,9,1,2,3,4,5,7,6,8,11,12,10,9,1时=60分,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。,12,60,1,1,5,1,60,8时 5分,8:05,8时 15分,8:15,8时 30分,8:30,8时 55分,8:55,8时 55分,8时 30分,8时 15分,8时 5分,认一认,考考你,相信你一定行!,3：10,7：15,1：20,2：40,10：45,5：25,6：50,8：55,9时30分,9：30,6时40分,6：40,8时35分,8：35,四、应用拓展，巩固新知,