认识时间屈改婷.ppt

,小小马儿跑不停，日日夜夜不休息，嘀哒嘀哒响不停，提醒人们争时间。,1,2,3,4,5,7,6,8,11,12,10,9,1,2,3,4,5,7,6,8,11,12,10,9,每个数字之间是1个大格钟面上一共有12个大格,1,2,3,4,5,7,6,8,11,12,10,9,5,1,2,3,4,5,7,6,8,11,12,10,9,5,10,15,1,2,3,4,5,7,6,8,11,12,10,9,5,10,25,30,20,15,60,35,40,45,50,55,12,60,5,1小时,时针走一大格，时间经过1小时。,认识时,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。,1分,认识分,11,12,10,1,2,3,4,5,6,9,8,7,5,分针走1大格是5分。,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,分针走一圈，时间经过分。,60,感受一分钟,请珍惜每一分，让生命更有价值！,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,11,12,10,1,3,4,5,6,9,8,7,2,从四时开始数。,4时4:00,11,12,10,1,3,4,5,6,9,8,7,2,从四时开始数。,4时5分,4:05,11,12,10,1,3,4,5,6,9,8,7,2,从四时开始数。,4时30分,4:30,4时半,11,12,10,1,3,4,5,6,9,8,7,2,从四时开始数。,4时45分,4:45,855,请判断,1:40,（x）,8:05,请判断,（x）,8:02,8:10,请判断,（x）,4:55,3:55,填上你的作息时间表,早上起床,7时30分,洗脸、刷牙,填上你的作息时间表,7时45分,填上你的作息时间表,去上学,8时,填上你的作息时间表,放学回家,5时,填上你的作息时间表,开始做作业,6时30分,填上你的作息时间表,做完作业,7时10分,填上你的作息时间表,上床睡觉,9时20分,四、应用拓展，巩固新知,做一做。,问题：你能准确写出每个钟表所表示的时间吗？,7:30,7:40,8:00,10:45,9:55,6:05,1:20,北京申奥成功,2001年7月13日晚10:09,作息时间表,上午7:408:00早读8:208:40早操9:2010:00第一节课10:0010:20眼保健操10:2011:00第二节课11:1011:50第三节课下午1:001:30午自习1:402:20第四节课2