總復(fù)習(xí)《認(rèn)識(shí)時(shí)間》PPT課件

.,1,第七單元認(rèn)識(shí)時(shí)間,人教版小學(xué)數(shù)學(xué)二年級(jí)上冊(cè),教學(xué)內(nèi)容：1、認(rèn)識(shí)時(shí)和分，知道1時(shí)=60分；2、認(rèn)識(shí)時(shí)間，會(huì)用幾時(shí)幾分表示時(shí)間；3、解決與時(shí)間有關(guān)的簡(jiǎn)單的實(shí)際問題。,.,2,3時(shí),300,復(fù)習(xí),.,3,1,上課。,.,4,.,5,1,2,3,4,5,7,6,8,11,12,10,9,12,.,6,1,2,3,4,5,7,6,8,11,12,10,9,(),(),5,10,15,.,7,1,2,3,4,5,7,6,8,11,12,10,9,5,10,25,30,20,15,60,35,40,45,50,55,.,8,12,60,5,.,9,1,2,3,4,5,7,6,8,11,12,10,9,1時(shí)=60分,.,10,1,2,3,4,5,7,6,8,11,12,10,9,.,11,1,2,3,4,5,7,6,8,11,12,10,9,5,.,12,1,2,3,4,5,7,6,8,11,12,10,9,5,10,15,20,25,30,35,40,45,50,55,.,13,11,12,10,1,3,4,5,6,9,8,7,5,9時(shí)5分,9:05,.,14,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,6時(shí)25分,6:25,.,15,9時(shí)15分9：15,.,16,11時(shí)55分11：55,.,17,()時(shí)55分()：55,.,18,認(rèn)一認(rèn),.,19,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,.,20,9時(shí)30分,9：30,6時(shí)40分,6：40,8時(shí)35分,8：35,.,21,.,22,鐘面上有,個(gè)大格，,個(gè)小格。,時(shí)針走個(gè)大格是,分針走個(gè)小格是,時(shí)針走個(gè)大格，分針正好走,走大格是,時(shí)。,分，,圈，,分。,是,分。,12,60,1,1,5,1,60,.,23,=,分針走一圈，時(shí)針走一個(gè)大格。1時(shí)=60分,.,24,855,.,25,715,.,26,120,.,27,11,12,10,1,3,4,5,6,9,8,7,2,從四時(shí)開始數(shù)。,.,28,11,12,10,1,3,4,5,6,9,8,7,2,從四時(shí)開始數(shù)。,4時(shí)5分,4:05,.,29,11,12,10,1,3,4,5,6,9,8,7,2,從四時(shí)開始數(shù)。,4時(shí)30分或4時(shí)半,4:30,.,30,11,1