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,*,海永霞,2007,年,11,月,20,日,数 学,猜一猜,认 识 钟 表,钟表王国,看一看,钟表王国,钟面,让我们来看超级大钟面,分针,时针,说说下面的钟表是几时,试一试,8,时,8:00,2,时,2:00,11,时,11:00,分针指着,12,,,8,时,8,:,00,2,时,2,:,00,11,时,11:00,整时,时针指着几,,这时的时刻就是几时。,大家来做拨钟游戏,8,时,8,8,:,0,0,3,3,:,0,0,6,6,:,0,0,时,时,时,7,7,:,0,0,时,8,:,0,0,8,时,10,时,10,:,0,0,12,时,12,:,0,0,6,时,6,:,0,0,9,时,9,:,0,0,11,12,10,动动脑,那个是,12,时,?,11,12,10,11,12,10,(),(),(),谢谢,