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1、认识时间,执教：龙梅,3时,300,复习,一、创设情境，引出时间问题,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,1,2,3,4,5,7,6,8,11,12,10,9,12,1,2,3,4,5,7,6,8,11,12,10,9,1,2,3,4,5,7,6,8,11,12,10,9,5,1,2,3,4,5,7,6,8,11,12,10,9,5,10,15,20,25,30,35,40,45,50,55,1,2,3,4,5,7,6,8,11,12,10,9,(),(),5,10,15,1,2,3,4,5,7,6,8,11,12,10,9,5,10,25,30,20
2、,15,60,35,40,45,50,55,12,60,5,（三）认识1时60分,二、体会刻度与时针、分针的关系,1,2,3,4,5,7,6,8,11,12,10,9,1时=60分,=,分针走一圈，时针走一个大格。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。,12,60,1,1,5,1,60,三、认识几时几分,11,12,10,1,3,4,5,6,9,8,7,2,从四时开始数。,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,4:45,855,715,120,四、应用拓展，巩固新知,做一做。,问题：你能准确写出每个钟表所表示的时间吗？,7:30,7:40,8:00,10:45,9:55,6:05,1:20,四、应用拓展，巩固新知,一寸光阴一寸金，寸金难买寸光阴。,请珍惜时间:,五、课堂作业,作业：第93页练习二十三，第1题、第2题。,
