认识时间听课课件.ppt

小小骏马不停蹄，日日夜夜不休息，蹄声哒哒似战鼓，提醒人们争朝夕。,猜猜看,谜底,小小骏马不停蹄，日日夜夜不休息，蹄声哒哒似战鼓，提醒人们争朝夕。,对了吗？,认识时间听课,认识时间,二年级上册,认识时间听课,你能说出钟面上的时间吗？,3,3：00,（ ）时,12,3,复习,认识时间听课,4：00,（ ）时,4,认识时间听课,分针,时针,认识时间听课,3,4,5,6,7,8,9,10,11,12,2,钟面上有（ ）个大格,12,认识时间听课,1,2,3,4,5,7,6,8,11,12,10,9,5,10,15,( ),1,2,3,4,( ),每个大格里有（ ）个小格,5,认识时间听课,1,2,3,4,5,7,6,8,11,12,10,9,5,10,25,30,20,15,60,35,40,45,50,55,每个大格里有（ 5 ）个小格,一共有（ 60）个小格,认识时间听课,11,12,10,1,2,3,4,5,6,9,8,7,钟面上有12个大格,有60个小格,认识时间听课,11,12,10,1,2,3,4,5,6,9,8,7,时针走1大格是1小时,认识时间听课,1,2,3,4,5,7,6,8,11,12,10,9,分针走1个小格是1 分,12,1,2,3,4,5,6,7,8,9,10,11,1分钟有多长呢？,认识时间听课,1,2,3,4,5,7,6,8,11,12,10,9,分针走1大格是（ ）分,5,认识时间听课,11,12,10,1,2,3,4,5,6,9,8,7,5,分针走1大格是5分。,认识时间听课,11,12,10,1,2,3,4,5,6,9,8,7,5,10,认识时间听课,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,5,10,认识时间听课,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,认识时间听课,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,认识时间听课,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,认识时间听课,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,35,认识时间听课,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,35,40,认识时间听课,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,35,40,45,认识时间听课,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,35,40,45,50,认识时间听课,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,35,40,45,50,55,认识时间听课,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,35,40,45,50,55,60,认识时间听课,1,2,3,4,5,7,6,8,11,12,10,9,1时=60分,认识时间听课,分针走一圈，时针走一个大格。 1时 60分,=,认识时间听课,11,12,10,1,2,3,4,5,6,9,8,7,12：00,认识时间听课,11,12,10,1,2,3,4,5,6,9,8,7,1：00,时针走1个大格是（）时,认识时间听课,11,12,10,1,2,3,4,5,6,9,8,7,1时多,认识时间听课,11,12,10,1,2,3,4,5,6,9,8,7,9时多,时针过几就是几时多,认识时间听课,11,12,10,1,3,4,5,6,9,8,7,5,9时 5分,9: 5,0,认识时间听课,11,12,10,1,3,4,5,6,9,8,7,2,4时30分或4时半,4:30,认识时间听课,11,12,10,1,3,4,5,6,9,8,7,2,4时45分,4:45,认识时间听课,开动脑筋想一想：,怎样才能正确地认识几时几分？,时针过几就是几时多，分针指着几个小格就是几分。,认识时间听课,钟面上有,个大格，,个小格。,时针走个大格是,分针走个小格是,时针走个大格，分针正好走,走大格是,时。,分，,圈，,分。,是,分。,12,60,1,1,5,1,60,认识时间听课,认一认,认识时间听课,小巧手拨一拨,认识时间听课,分针时针长着脚，小小时钟真奇妙!1到12团团坐。大格共有12个。1大格，5小格，一圈小格60个。时针走过1大格，1个小时已度过。分针每走1小格，1分钟就不见了。要是分针指12，时针指几是几时。要是时针走过几，时间就是几时多，到底走了多少分，看分针走了几小格。大格千万别忘记，小格可要数仔细。1时等于60分，珍惜时间别挥霍。1时等于60分，珍惜时间别挥霍。,时间歌,认识时间听课,120,认识时间听课,525,认识时间听课,845,认识时间听课,1150,认识时间听课,730,740,800,120,1045,955,605,认识时间听课,930,640,935,认识时间听课,请珍惜每一分，让生命更有价值！,认识时间听课,演讲完毕，谢谢听讲!,再见，see you again,3rew,