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认识时间,人教版小学数学二年级上册,20,25,30,35,40,45,50,55,60,1,2,3,4,5,7,6,8,11,12,10,9,1,2,3,4,5,1,2,3,4,5,7,6,8,11,12,10,9,5,10,25,30,20,15,60,35,40,45,50,55,1,2,3,4,5,6,7,8,9,10,11,12,时针走一大格，是 1 小时。,1小时,1,2,3,4,5,6,7,8,9,10,11,12,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,15分,25分,30分,35分,40分,50分,1,2,3,4,5,6,7,8,9,10,11,12,1,2,3,4,5,6,7,8,9,10,11,12,60分,1时,=,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。,1时=60分,12,60,1,1,5,1,60,什么时刻，我们准备接力赛？,什么时刻，许文佳在跑步？,什么时刻，我们在玩耍？,动动手，拨拨钟,7：45,11：55,4：15,动动手，写一写，我最棒,7:30,7:40,8:00,1:20,10:45,9:55,6:05,这节课你有什么收获？,
