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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,*,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,*,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,*,第七单元 认识时间,人教版小学数学二年级上册,12,1,2,3,4,5,6,7,8,9,10,11,3,时,300,复习,12,1,2,3,4,5,6,7,8,9,10,11,6,时,600,复习,12,1,2,3,4,5,6,7,8,9,10,11,12,时,1200,复习,上课。,钟面上,一共有（,）大格,1,大格有（,）小格,一共有（,）小格,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,(,),(,),5,10,15,(,),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（,）大格,1,大格有（,）小格,一共有（,）小格,1,2,3,4,5,7,6,8,11,12,10,9,12,60,1,2,3,4,5,7,6,8,11,12,10,9,分针走,1,圈，时针走,1,大格,时间从,12,时走到了,1,时,时针走,1,大格，是经过,1,小时,1,2,3,4,5,7,6,8,11,12,10,9,分针走,1,小格，,是,1,分钟,1,2,3,4,5,7,6,8,11,12,10,9,5,分针走,1,大格，,是,5,分钟,1,2,3,4,5,7,6,8,11,12,10,9,5,10,15,20,25,30,35,40,45,50,55,60,分针走,1,圈，是多长时间呢？,分针走,1,圈，是,60,分,1,2,3,4,5,7,6,8,11,12,10,9,分针走,1,圈，是经过,60,分,时针走,1,大格，是经过,1,小时,1时,60分,=,11,12,10,1,3,4,5,6,9,8,7,5,9,时,5,分,9:,9:5,05,你会读吗？,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,6,时,25,分,6:25,11,12,10,1,3,4,5,6,9,8,7,4时30分,或4时半,4,:,30,9,时,15,分,9,：,15,11,时,55,分,11,：,55,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,小红的一天,上课。,填一填,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,分针走一圈，时针走一个大格。,1,时=,60,分,一分钟有多长,你在一分钟的时间内,能做些什么？,一寸光阴一寸金，,寸金难买寸光阴。,855,715,120,3,明明9:00做完作业后去踢球，10:30还要去看木偶剧，他可能在哪个时间去踢球？,A、7:45,B、9:,45,C、10:50,(),(),(),谢 谢 指 导,
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