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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,*,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,*,西师版小学数学一年级下册,认识钟表,双凤桥小学 孙畅,1、,钟面上一共有（）个数，一共有（）个大格（）个小格。,2、,（,）针,（）针,3、,时针走一大格是（）时，时针走一圈是（）时。,12,12,60,1,12,分,时,12,1,2,3,4,5,6,7,8,9,10,11,8,时,8:00,12,1,2,3,4,5,6,7,8,9,10,11,12,时,12:00,12,1,2,3,4,5,6,7,8,9,10,11,4,时,4:00,12,1,2,3,4,5,6,7,8,9,10,11,1,时,1:00,12,1,2,3,4,5,6,7,8,9,10,11,11,时,11:00,12,1,2,3,4,5,6,7,8,9,10,11,2,时,2:00,12,1,2,3,4,5,6,7,8,9,10,11,9,时,9:00,分针指着,6,，,时针指向,9,和,10,的中间，就是,9,时半,，也叫,9,时,30,分,。,12,1,2,3,4,5,6,7,8,9,10,11,3,时,30,分,3:30,分针指着,6,，,时针指向,3,和,4,的中间，就是,3,时半,，也叫,3,时,30,分,。,12,1,2,3,4,5,6,7,8,9,10,11,8,时,30,分,8:30,9:30,9,时,30,分,3:30,3,时,30,分,8:30,8,时,30,分,几时半：,分针都是指着,6，,时针都是指着两个数的中间，时针,超过几,就是几时半或几时,30,分。,12,1,2,3,4,5,6,7,8,9,10,11,12,时,30,分,12:30,12,1,2,3,4,5,6,7,8,9,10,11,6,时,30,分,6:30,拨一拨,8,时半，,5,时,30,分，,11,：,3,0,课堂活动,8,时半,12,时半,谢谢大家！,
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