单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,北师大版小学数学二年级下册,执教人：李倩,谜语：小马不停蹄，日夜不休息，滴答滴答响，催人早早起打一物是什么？,钟表,导入,奥运开幕,2023年8月8日,12,1,2,3,4,5,6,7,8,9,10,11,5小格,10,15,20,25,30,35,40,45,50,55,60,钟面上有,12个大格,60个小格,知新,11,10,9,8,12,1,7,6,5,4,3,2,1时,时针走一大格是1时,11,6,5,4,7,2,3,12,1,8,9,10,11,10,9,8,12,1,2,3,7,6,5,4,1分,11,6,5,4,7,2,3,12,1,8,9,10,分针走一小格是1分,走一大格是 分,5,11,6,5,4,7,2,3,12,1,8,9,10,11,6,5,4,7,2,3,12,1,8,9,10,11,6,5,4,7,2,3,12,1,8,9,10,11,6,5,4,7,2,3,12,1,8,9,10,11,6,5,4,7,2,3,12,1,8,9,10,11,6,5,4,7,2,3,12,1,8,9,10,11,6,5,4,7,2,3,12,1,8,9,10,11,6,5,4,7,2,3,12,1,8,9,10,11,6,5,4,7,2,3,12,1,8,9,10,11,6,5,4,7,2,3,12,1,8,9,10,11,6,5,4,7,2,3,12,1,8,9,10,11,6,5,4,7,2,3,12,1,8,9,10,11,6,5,4,7,2,3,12,1,8,9,10,11,6,5,4,7,2,3,12,1,8,9,10,时针走过了数8，这时的时刻就是,8时多,。,分针从12起，走过了8个小格，就表示过了,8分,。,2023北京奥运会开幕式,8时08分,8:08,时针走过了数8，这时的时刻就是,8时多,。,分针从12起，走过了55个小格，就表示过了,55分,。,8时55分,8:55,填空：,1钟面上有()个大格，,()个小格。,2时针走1大格是()时。,3分针走1小格是()分，,走1大格是()分。,4时针走1大格，分针正走()圈。,5 1时=()分,12,60,1,1,5,1,60,巩固,9:30,9:45,10:00,9:08,9:00,试一试：,9时,9时08分,9时30分,9时45分,10时,6时08分,7:45,9:05,10:25,3:25,拓展,几时整,，时针和分针重合？,A 3时,B 6时,C 9时,D 12时,时间名言欣赏：,一寸光阴一寸金，,寸金难买寸光阴！,赢得了时间就是赢得了一切。,列宁,时间名言欣赏：,作业超市,亲子活动,1把今日学到的学问说给家长听。,2和家长一起做一个简易闹钟练习“你拨我说”的玩耍。,