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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,*,认识时刻,明天上午,7:00,在这里举行运动会开幕式,希望大家准时参加,.,1,2,3,4,5,6,12,11,10,9,8,7,怎么没人呀?,12,11,10,9,8,7,6,5,4,2,1,3,怎么开幕式结束了呀?,12,11,10,9,8,7,6,5,4,2,1,3,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,12,60,1,1,5,1,5,12,1,2,3,4,6,7,8,9,10,11,5,12,1,2,3,4,6,7,8,9,10,11,5,12,1,2,3,4,6,7,8,9,10,11,6,时,8,时,4,时,5,12,1,2,3,4,6,7,8,9,10,11,5,12,1,2,3,4,6,7,8,9,10,11,5,12,1,2,3,4,6,7,8,9,10,11,7,时半,8,时半,11,时半,讨论时注意:,1,、你是怎样认的?,2,、认钟面时应该注意些么?,认一认:,00,9:08,9:30,9:45,挑战超人,谁最棒?,7,时,15,分,715,1,时,20,分,120,5,时,25,分,525,8,时,55,分,9,时差,5,分,855,10,时,45,分,11,时差,15,分,1045,动手做一做,分别在钟面上播出,11:50 4:06 8,:,35,并在本子上写出它们的两种书写形式,同桌交流检查。,孩子们,:,时间是一个魔法师,他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,!,
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