2019年认识时间-刘丽霞精品教育.ppt
义务教育课程标准实验教科书 一年级下册,认 识 时 间,讲课教师： 刘丽霞,请你猜一猜！,一匹马儿三条腿， 日夜奔跑不怕累， 马蹄哒哒提醒你， 时间一定要珍惜。,闹钟,台钟,挂钟,分针,时针,3,4,5,6,7,8,9,10,11,12,2,5,认识时间,1时,4时,6时,9时,3时半,8时半,10时半,11,12,10,1,2,3,4,5,6,9,8,7,11,12,10,1,2,3,4,5,6,9,8,7,1,11,12,10,1,2,3,4,5,6,9,8,7,5,11,12,10,1,2,3,4,5,6,9,8,7,5,10,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,5,10,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,35,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,35,40,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,35,40,45,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,35,40,45,50,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,35,9时15分 9：15,11时55分 11：55,7时5分 7：05,11,12,10,1,2,3,4,5,6,9,8,7,11,12,10,1,2,3,4,5,6,9,8,7,5,11,12,10,1,2,3,4,5,6,9,8,7,5,10,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,5,10,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,35,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,35,40,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,35,40,45,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,35,40,45,50,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,35,40,45,50,55,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,35,40,45,50,55,60,?,?,?,60分和1小时有什么关系？,?,?,?,想想：,40,10,10,课间休息（ ）分， 上一节课是（ ）分， 再课间休息（ ）分， 加起来是60分，也就是1时。,11,12,10,1,2,3,4,5,6,9,8,7,?,?,?,?,?,?,?,?,?,?,?,9 ：05,9时5分,11,12,10,1,2,3,4,5,6,9,8,7,?,8 ：15,8时15分,要认读出一个时刻， 要根据时针和分针的位 置来共同确定。先看时 针刚走过数几就是几时 多，再看分针从12起走 了几个小格就是几分， 这时钟面上的时刻就是 几时几分。,11,12,10,1,2,3,4,5,6,9,8,7,4 ：15,4时15分,5,10,15,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,?,?,11,12,10,1,2,3,4,5,6,9,8,7,4 ：15,4时15分,5,10,15,11,12,10,1,2,3,4,5,6,9,8,7,4 ：16,4时16分,5,10,15,16,11,12,10,1,2,3,4,5,6,9,8,7,4 ：17,4时17分,5,10,15,17,11,12,10,1,2,3,4,5,6,9,8,7,4 ：18,4时18分,5,10,15,18,11,12,10,1,2,3,4,5,6,9,8,7,4 ：19,4时19分,5,10,15,19,10时57分,11时15分,8时20分,7时32分,60,50,10,15,3,20,时（ ）分 分分（ ）分 分比小时少（ ）分 小时比分多（ ）分 时分（ ）时（ ）分,20,动脑筋：为什么都是10时， 而小朋友做的事却不一样？,同学们再见！,
