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 钟 表,12,11,10,12,11,10,12,11,10,12,11,10,画一画,描一描。把下面钟面中的时针涂成红色;分针涂成黑色。,12,11,10,12,11,10,12,11,10,12,11,10,12,11,10,12,11,10,12,11,10,12,11,10,12,11,10,12,11,10,看谁读得又对又快,!,12,11,10,12,11,10,1时半,2时半,3时半,1:30,2:30,3:30,4时半,5时半,6时半,4:30,5:30,6:30,10时半,11时半,12时半,10:30,11:30,12:30,7时半,8时半,9时半,7:30,8:30,9:30,通过观察,您们有什么发现?,分针指到,6,,时针刚刚走过几就是几时半。,2,时半。时针刚刚走过,,分针刚好指到,。,12,11,10,1时半,2时半,3时半,1:30,2:30,3:30,4时半,5时半,6时半,4:30,5:30,6:30,10时半,11时半,12时半,10:30,11:30,12:30,7时半,8时半,9时半,7:30,8:30,9:30,12,11,10,1时半,2时半,3时半,1:30,2:30,3:30,4时半,5时半,6时半,4:30,5:30,6:30,10时半,11时半,12时半,10:30,11:30,12:30,7时半,8时半,9时半,7:30,8:30,9:30,8,时半。时针刚刚走过,,分针刚好指到,。,10,时半。时针刚刚走过,,分针刚好指到,。,12,11,10,1时半,2时半,3时半,1:30,2:30,3:30,4时半,5时半,6时半,4:30,5:30,6:30,10时半,11时半,12时半,10:30,11:30,12:30,7时半,8时半,9时半,7:30,8:30,9:30,12,11,10,52,50,53,51,48,44,49,47,40,37,41,38,32,28,33,29,60,58,59,56,54,57,55,24,20,25,21,16,13,17,14,45,42,46,43,35,34,39,36,30,26,31,27,22,18,23,19,11,10,15,12,外圈数字表示分,,分针,走到几或刚走过几是几分。,内圈数字表示时,,时针,走到几或刚走过几是几时。,30,4时半,4时,30,12,11,10,看谁读得又对又快,!,12,11,10,12,11,10,12,11,10,12,11,10,12,11,10,12,11,10,12,11,10,12,11,10,12,11,10,12,11,10,照样子连线,看谁连得又对又快,!,3:30,10:30,7:30,12:30,12,11,10,12,11,10,12,11,10,12,11,10,12,11,10,12,11,10,照样子拨一拨,看谁拨得又对又快,!,12,11,10,12,11,10,12,11,10,12,11,10,12,11,10,12,11,10,看一看,现在是几时半?想一想,过,1,小时是几时半?,在上面的三个钟里,只有一个是,8,时半,(,830,),。你知道是哪一个吗?为什么?,现在你知道哪一个是,8,时半(,830,)了吗?为什么?,12,11,10,12,11,10,12,11,10,