1、认识时间,人教版二年级上册,我有一个好朋友,嘀哒嘀哒不停走,叫我学习和休息,真是我的好帮手。这是什么?,钟表,钟表可以告诉我们什么?,时间,你能说出你什么时间做什么吗?,请说一说图上画的是什么,钟表上表示的时间是多少?,你能说出钟面上的时间吗?,3,3:00,( )时,分针,时针,12,3,4:00,( )时,4,( )时,8,8:00,3:00,9:00,6:00,12:00,分针,时针,3,4,5,6,7,8,9,10,11,12,2,钟面上有( )个数字,12,一共有( )个大格,每个大格里有( )个小格,12,5,一共有( )个小格,1,2,3,4,5,7,6,8,11,12,10,9
2、,5,10,15,( ),1,2,3,4,( ),每个大格里有( )个小格,5,1,2,3,4,5,7,6,8,11,12,10,9,5,10,25,30,20,15,60,35,40,45,50,55,每个大格里有( 5 )个小格,一共有( 60)个小格,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,11,12,10,1,2,3,4,5,6,9,8,7,时针走1大格是1小时,11,12,10,1,2,3,4,5,6,9,8,7,1,分针走1小格是1分。,12,1,2,3,4,5,6,7,8,9,10,11,1分钟有多长呢?,11,12,10,1,2,
3、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
4、,15,20,25,30,35,40,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,35,40,45,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,35,40,45,50,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,35,40,45,50,55,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,35,40,45,50,55,60,1,2,3,4,5,7,6,8,11,12,10,9,1时=60分,分针走一圈,时针走一个大格。 1时
5、 60分,=,11,12,10,1,2,3,4,5,6,9,8,7,12:00,11,12,10,1,2,3,4,5,6,9,8,7,1:00,11,12,10,1,2,3,4,5,6,9,8,7,1:多,11,12,10,1,2,3,4,5,6,9,8,7,1:多,11,12,10,1,2,3,4,5,6,9,8,7,1:多,11,12,10,1,2,3,4,5,6,9,8,7,2:00,11,12,10,1,2,3,4,5,6,9,8,7,4:00,11,12,10,1,2,3,4,5,6,9,8,7,4:多,11,12,10,1,2,3,4,5,6,9,8,7,4:多,11,12,10,
6、1,2,3,4,5,6,9,8,7,5:00,11,12,10,1,2,3,4,5,6,9,8,7,9:00,11,12,10,1,2,3,4,5,6,9,8,7,9:多,11,12,10,1,2,3,4,5,6,9,8,7,11,12,10,1,2,3,4,5,6,9,8,7,11:多,11,12,10,1,2,3,4,5,6,9,8,7,12:00,11,12,10,1,2,3,4,5,6,9,8,7,11,12,10,1,2,3,4,5,6,9,8,7,11,12,10,1,2,3,4,5,6,9,8,7,5,4时,4:05,5分,11,12,10,1,2,3,4,5,6,9,8,7,5
7、,4:15,10,15,11,12,10,1,2,3,4,5,6,9,8,7,5,4:30,10,30,20,25,15,4时半,11,12,10,1,2,3,4,5,6,9,8,7,5,4:45,10,30,20,25,15,35,40,45,11,12,10,1,2,3,4,5,6,9,8,7,4:55,30,35,40,45,50,55,11,12,10,1,2,3,4,5,6,9,8,7,5:00,30,45,15,谁最棒?,715,120,525,845,1150,730,740,800,120,1045,955,605,930,640,935,你现在能读出这个钟面上的时间了吗?,你有什么收获?,作业:,1、完成教材“练习二十三”的第1题。2、完成教材“练习二十三”的第2题。,请珍惜每一分,让生命更有价值!,谢谢!,U盘、电脑坏了?教学资料不见了?以前的资料没保存?每一届重复劳动?找不到精品课件、试题、教案反思?各大文库价格昂贵?来【163文库】吧,你可以:上传分享资料赚取零用钱;上传资料,永久保存,方便下届使用;百万教学资源供你下载;创建你的教学空间,分类收藏存储资料;【平台地址:】,