认识时间,厚坝小学：王师洪,1,2,3,4,5,6,7,8,9,10,11,12,钟面有（ ）个数字，（ ）个大格，每大格分（ ）个小格，钟面上共有（ ）小格,12,12,5,60,1,2,3,4,5,6,7,8,9,10,11,12,1小时,时针走一大格，时间经过 1 小时。,1,2,3,4,5,6,7,8,9,10,11,12,分针走一小格，时间经过 1 分钟。,5分,10分,20分,45分,55分,60分,15分,25分,30分,35分,40分,50分,1,2,3,4,5,6,7,8,9,10,11,12,1,2,3,4,5,6,7,8,9,10,11,12,1时=60分,1,2,3,4,5,6,7,8,9,10,11,12,7时40分,7：40,8时5分,8:05,12,1,2,3,4,5,6,7,8,9,10,11,12,1,3,2,9,8,7,6,5,4,11,10,6时25分,6：25,7时45分 7：45,9时5分 9：05,10时25分 10：25,3时25分 3：25,连线,7：25,10：05,5：45,4：15,一分钟有多长,银行点钞机一分钟点1500张人民币,一分钟可以生产600瓶饮料,一分钟能生产1600支铅笔,中央电视台播音员 一分钟播180个字,下,课,