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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,*,认 识 时 分,苏 教 版 小 学 数 学 二 年 级 下 册,教学内容:1、认识时和分,知道1时=60分;2、认识时间,会用几时几分表示时间;3、解决与时间有关的简单的实际问题。,认 识 时 分苏 教 版 小 学 数 学 二 年 级,1,12,1,2,3,4,5,6,7,8,9,10,11,3,时,300,复习,1212345678910113时 300复习,2,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,钟面上一共有()大格1大格有(,3,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,钟面上一共有()大格1大格有(,4,1,2,3,4,5,7,6,8,11,12,10,9,(,),(,),5,10,15,123457681112109()(,5,1,2,3,4,5,7,6,8,11,12,10,9,5,10,25,30,20,15,60,35,40,45,50,55,123457681112109510253020156035,6,钟面上,一共有(,)大格,1,大格有(,)小格,一共有(,)小格,1,2,3,4,5,7,6,8,11,12,10,9,12,60,5,钟面上一共有()大格1大格有(,7,1,2,3,4,5,7,6,8,11,12,10,9,123457681112109,8,1,2,3,4,5,7,6,8,11,12,10,9,5,1234576811121095,9,1,2,3,4,5,7,6,8,11,12,10,9,5,10,15,20,25,30,35,40,45,50,55,123457681112109510152025303540,10,1,2,3,4,5,7,6,8,11,12,10,9,1,时,=60,分,1234576811121091时=60分,11,=,分针走一圈,时针走一个大格。,1,时=,60,分,=分针走一圈,时针走一个大格。,12,1,上课。,1,13,11,12,10,1,3,4,5,6,9,8,7,5,9,时,5,分,9:05,1112101345698759时 5分9:05,14,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,6,时,25,分,6:25,1112101234569875101520256时25分6,15,9,时,15,分,9,:,15,9时15分,16,11,时,55,分,11,:,55,11时55分,17,1:25,1时25分,8:05,8时5分,6:50,6时50分,认一认,1:251时25分8:058时5分6:506时50分认一认,18,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,考考你,相信你一定行!3:107:151:202:4010:,19,9,时,30,分,9,:,30,6,时,40,分,6,:,40,8,时,35,分,8,:,35,9时30分9:306时40分6:408时35分8:35,20,认识时分ppt课件,21,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,填一填钟面上有个大格,个小格。时针走个大格是分针走个,22,一分钟有多长,一分钟有多长,23,你在一分钟的时间内,能做些什么?,你在一分钟的时间内能做些什么?,24,855,855,25,715,715,26,120,120,27,一寸光阴一寸金,,寸金难买寸光阴。,一寸光阴一寸金,,28,11,12,10,1,3,4,5,6,9,8,7,2,从四时开始数。,11121013456987 2,29,11,12,10,1,3,4,5,6,9,8,7,2,从四时开始数。,4时,5,分,4,:05,11121013456987 2,30,11,12,10,1,3,4,5,6,9,8,7,2,从四时开始数。,4时30分或4时半,4,:,30,11121013456987 2,31,11,12,10,1,3,4,5,6,9,8,7,2,从四时开始数。,4时4,5,分,4,:,4,5,11121013456987 2,32,3,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、9:15,C、10:50,(),(),(),3,33,谢 谢,谢 谢,34,
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