數(shù)學(xué)北師大版二年級下冊淘氣的上學(xué)時間

1、上 學(xué) 時 間,教學(xué)內(nèi)容： 1、認(rèn)識時和分，知道1時=60分； 2、認(rèn)識時間，會用幾時幾分表示時間；,1,2,3,4,5,7,6,8,11,12,10,9,7時,1,2,3,4,5,7,6,8,11,12,10,9,7時半,1,2,3,4,5,7,6,8,11,12,10,9,12,1,2,3,4,5,7,6,8,11,12,10,9,( ),( ),5,10,15,1,2,3,4,5,7,6,8,11,12,10,9,5,10,25,30,20,15,60,35,40,45,50,55,12,60,5,1,2,3,4,5,7,6,8,11,12,10,9,=,分針走一圈，時針走一個大格。 1

2、時=60分,1,2,3,4,5,7,6,8,11,12,10,9,時針指過（ ），就是（ ）時多。,分針指著（ ），就是（ ）分。,合起來就是（ ）時（ ）分。,9,9,5,25,9,25,1,2,3,4,5,7,6,8,11,12,10,9,30分,1,2,3,4,5,7,6,8,11,12,10,9,30分,5分=25分,60分,15分,45分,1,2,3,4,5,7,6,8,11,12,10,9,60分,5分=55分,9時55分 9:55,時針指過（ ），就是（ ）時多。,分針指著（ ），就是（ ）分。,合起來就是（ ）時（ ）分。,9,9,11,55,9,55,1,2,3,4,5,11

3、,12,10,9,7,6,8,45分,1,2,3,4,5,12,7,8,11,10,9,6,45分,45分+10分=55分,怎樣看幾時幾分呢？,9時25分,9時55分,用兩種方法寫出這三個時刻。,第三節(jié)課已經(jīng)上了幾分鐘啦？,1,2,3,4,5,7,6,8,11,12,10,9,4,5,7,6,8,11,10,9,1,2,3,12,4,5,7,6,8,11,12,10,9,1,2,3,1,2,3,4,5,7,6,8,11,12,10,9,1,2,3,4,5,7,6,8,11,12,10,9,1,2,3,4,5,7,6,8,11,12,10,9,1,2,3,4,5,7,6,8,11,12,10,9,355=30分,看時刻，撥鐘表。,2003年10月15日 9：45神舟五號載人飛船發(fā)射成功。,智慧樹重播時間：11時40分,看時刻，撥鐘表。,看時刻，撥鐘表。,電影播出時間 12：20,請你選一選,6:05,請你選一選,再過5分是幾時？,我會畫分針,1,2,3,4,5,7,6,8,11,12,10,9,1,2,3,4,5,7,6,8,11,12,10,9,1,2,3,4,5,7,6,8,11,12,10,9,1,2,3,4,5,7,6,8,11,12,10,9,1,2,3,4,5,7,6,8