《青岛版三年级数学上认识时间课件.ppt》由会员分享,可在线阅读,更多相关《青岛版三年级数学上认识时间课件.ppt(34页珍藏版)》请在三一办公上搜索。
1、时、分、秒的认识,青岛版三年级上册数学,大家好,12,1,2,3,4,5,6,7,8,9,10,11,3,时,3,00,复习,大家好,1,上课。,大家好,钟面上,一共有(,)大格,1,大格有(,)小格,一共有(,)小格,大家好,钟面上,一共有(,)大格,1,大格有(,)小格,一共有(,)小格,大家好,(,),(,),大家好,大家好,钟面上,一共有(,)大格,1,大格有(,)小格,一共有(,)小格,大家好,大家好,大家好,大家好,1,时,=60,分,大家好,分针走一圈,时针走一个大格。,1,时,=60,分,大家好,13,11,12,10,1,3,4,5,6,9,8,7,5,9,时,5,分,9:0
2、5,大家好,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,6,时,25,分,6:25,大家好,9,时,15,分,9,:,15,大家好,11,时,55,分,11,:,55,大家好,1,时,25,分,8,时,5,分,6,时,50,分,大家好,考考你,相信你一定行,!,3,:,10,7,:,15,1,:,20,2,:,40,10,:,45,5,:,25,6,:,50,8,:,55,大家好,9,时,30,分,9,:,30,6,时,40,分,6,:,40,8,时,35,分,8,:,35,大家好,大家好,填一填,钟面上有,个大格,,个小格。,时针走个大格是,分针走个小格
3、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,大家好,大家好,大家好,8,55,大家好,7,15,大家好,1,20,大家好,11,12,10,1,3,4,5,6,9,8,7,2,从四时开始数。,大家好,11,12,10,1,3,4,5,6,9,8,7,2,从四时开始数。,4,时,5,分,4:05,大家好,11,12,10,1,3,4,5,6,9,8,7,2,从四时开始数。,4,时,30,分或,4,时半,4:30,大家好,11,12,10,1,3,4,5,6,9,8,7,2,从四时开始数。,4,时,45,分,4:45,大家好,一寸光阴一寸金,,寸金难买寸光阴。,大家好,3,明明,9:00,做完作业后去踢球,,10:30,还要去,看木偶剧,他可能在哪个时间去踢球?,A,、,7:45,B,、,9:15,C,、,10:50,(),(),(),大家好,33,结束,大家好,34,