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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,*,*,第,七,单元 认识钟表,课题二 认识钟表(,A,案),我有个好朋友,,会跑没有腿,,会响没有嘴,,它会告诉我,,什么时候起,,什么时候睡。,请你猜猜看,,我这个好朋友是谁?,3,4,5,6,7,8,9,10,11,12,2,1,哪个是时针?哪个是分针?,3,4,5,6,7,8,9,10,11,12,2,1,用手跟着表针转一转。,3,4,5,6,7,8,9,10,11,12,2,1,用手跟着表针转一转。,3,4,5,6,7,8,9,10,11,12,2,1,早上,7,时你们在干什么?,3,4,5,6,7,8,9,10,11,12,2,1,上午,10,时你们在干什么?,3,4,5,6,7,8,9,10,11,12,2,1,下午,1,时你们在干什么?,午休,3,4,5,6,7,8,9,10,11,12,2,1,下午,4,时你们在干什么?,4,时,7,时,10,时,1,时,连线。,3,4,5,6,7,8,9,10,11,12,2,1,3,4,5,6,7,8,9,10,11,12,2,1,3,4,5,6,7,8,9,10,11,12,2,1,3,4,5,6,7,8,9,10,11,12,2,1,在自己的小钟表上拨一个整时。,6,时,12,时,3,4,5,6,7,8,9,10,11,12,2,1,3,4,5,6,7,8,9,10,11,12,2,1,下午,4,时半你们在干什么?,3,4,5,6,7,8,9,10,11,12,2,1,3,4,5,6,7,8,9,10,11,12,2,1,3,4,5,6,7,8,9,10,11,12,2,1,3,4,5,6,7,8,9,10,11,12,2,1,怎么看是,6,时半?,3,4,5,6,7,8,9,10,11,12,2,1,3,4,5,6,7,8,9,10,11,12,2,1,3,4,5,6,7,8,9,10,11,12,2,1,3,4,5,6,7,8,9,10,11,12,2,1,3,4,5,6,7,8,9,10,11,12,2,1,怎么看是,9,时半?,3,4,5,6,7,8,9,10,11,12,2,1,3,4,5,6,7,8,9,10,11,12,2,1,3,4,5,6,7,8,9,10,11,12,2,1,11,时半你们在干什么?,6,时半,4,时半,11,时半,9,时半,连线。,3,4,5,6,7,8,9,10,11,12,2,1,3,4,5,6,7,8,9,10,11,12,2,1,3,4,5,6,7,8,9,10,11,12,2,1,3,4,5,6,7,8,9,10,11,12,2,1,在自己的小钟表上拨一个半时。,你们见过这样的表吗?,7,时半怎么表示呢?,7,0,0,7,0,1,7,0,2,7,0,3,7,0,4,7,0,5,7,0,6,7,0,7,7,0,8,7,0,9,7,1,0,7,1,1,7,1,2,7,1,3,7,1,4,7,1,5,7,1,6,7,1,7,7,1,8,7,1,9,7,2,0,7,2,1,7,2,2,7,2,3,7,2,4,7,2,5,7,2,6,7,2,7,7,2,8,7,2,9,7,3,0,7,3,0,哪个是整时?哪个是半时?,整时,半时,半时,3,4,5,6,7,8,9,10,11,12,2,1,3,4,5,6,7,8,9,10,11,12,2,1,3,4,5,6,7,8,9,10,11,12,2,1,3,4,5,6,7,8,9,10,11,12,2,1,3,4,5,6,7,8,9,10,11,12,2,1,这个钟面的时刻,,可以怎样说?,请选择:,快,2,时,过,2,时,大约,2,时,3,4,5,6,7,8,9,10,11,12,2,1,这个钟面的时刻,,可以怎样说?,请选择:,快,2,时,过,2,时,大约,2,时,3,4,5,6,7,8,9,10,11,12,2,1,请把,5,个钟面按时间顺序排一排。,3,4,5,6,7,8,9,10,11,12,2,1,3,4,5,6,7,8,9,10,11,12,2,1,3,4,5,6,7,8,9,10,11,12,2,1,3,4,5,6,7,8,9,10,11,12,2,1,3,4,5,6,7,8,9,10,11,12,2,1,请把,5,个钟面按时间顺序排一排。,3,4,5,6,7,8,9,10,11,12,2,1,3,4,5,6,7,8,9,10,11,12,2,1,3,4,5,6,7,8,9,10,11,12,2,1,3,4,5,6,7,8,9,10,11,12,2,1,3,4,5,6,7,8,9,10,11,12,2,1,各种各样的小钟表,12,3,6,9,8,:,00,8,时,猜一猜钟面上的时刻。,12,3,6,9,猜一猜。,3,:,00,3,时,11,10,8,7,5,4,12,3,6,9,猜一猜。,11,:,30,11,时半,1,:,30,1,时半,2,:,30,2,时半,5,4,7,2,11,8,12,:,30,12,时半,3,:,30,3,时半,4,:,30,4,时半,5,:,30,5,时半,各种各样的小钟表,古老的带底架的座钟,“手表”“怀表”是人们可以随身携带的表,现代的计时工具“电子表”,古代的一种计时工具“日晷”,“沙漏”也是一种计时工具,再见,
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