小學(xué)數(shù)學(xué)二年級(jí)上冊(cè)認(rèn)識(shí)時(shí)間

1、人教版二年級(jí)上冊(cè) 認(rèn)識(shí)時(shí)間 銅都中心集義小學(xué)：孟發(fā)琳,誰(shuí) 最 棒？,（ ）時(shí),8,8：00,分針,時(shí)針,4：00,（ ）時(shí),4,1,上課。,分針,時(shí)針,3,4,5,6,7,8,9,10,11,12,2,鐘面上有（ ）個(gè)大格,12,1,2,3,4,5,7,6,8,11,12,10,9,5,10,15,( ),1,2,3,4,( ),每個(gè)大格 里有（ ）個(gè)小格,5,活動(dòng)一： 用你喜歡的方式數(shù)一數(shù)鐘面上一共有多少小格，并和你的同桌說一說你是怎么數(shù)的。,1,2,3,4,5,7,6,8,11,12,10,9,5,10,25,30,20,15,60,35,40,45,50,55,每個(gè)大格 里有（ 5 ）個(gè)

2、小格,一共有（ 60）個(gè)小格,11,12,10,1,2,3,4,5,6,9,8,7,時(shí)針走1大格是1時(shí),11,12,10,1,2,3,4,5,6,9,8,7,1,分針走1小格是1分。,11,12,10,1,2,3,4,5,6,9,8,7,5,分針走1大格是5分。,活動(dòng)二： 同桌兩人為一組，仔細(xì)觀察鐘面，數(shù)一數(shù)、算一算分針從12走到每個(gè)刻度分別是幾分？,( 5 ),( 10 ),( 10 ),( 15 ),( 5),( 15 ),( ),( 10 ),( 5 ),20,( 5 ),( 10 ),( 15 ),( 20 ),( 25 ),( 5 ),( 10 ),(1 5 ),( 20 ),( 2

3、5 ),( 30 ),( 5 ),( 10 ),(1 5 ),( 20 ),( 25 ),( 30 ),( 35 ),( 5 ),( 10 ),(1 5 ),( 20 ),(25 ),( 30 ),( 35 ),( 40 ),( 5 ),( 10 ),(1 5 ),( 20 ),(25 ),( 30 ),( 35 ),( 40 ),( 45 ),( 20 ),(25 ),( 30 ),( 35 ),( 45 ),( 40 ),( 50 ),( 5 ),( 10 ),(1 5 ),( 20 ),(25 ),( 30 ),( 35 ),( 40 ),( 45 ),( 50 ),( 55 ),( 5 ),( 10 ),(1 5 ),( 20 ),(25 ),( 30 ),( 35 ),( 40 ),( 45 ),( 50 ),( 55 ),( 60 ),( 5 ),( 10 ),(1 5 ),誰(shuí) 最 棒？,( 15 ),( 8 ),( 30 ),( 21),( 45 ),分針從刻度12走到幾是40分？,分針從刻度12走到幾是60分？,1,2,3,4,5,6,7,8,9,10,11,12,分針走一圈，時(shí)針正好走一大格。,1時(shí)=60分,時(shí)針走一個(gè)大格,分針走一圈 1時(shí) 60分,=,