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1、單擊此處編輯母版標(biāo)題樣式,,單擊此處編輯母版文本樣式,,第二級(jí),,第三級(jí),,第四級(jí),,第五級(jí),,,*,,*,單擊此處編輯母版標(biāo)題樣式,,單擊此處編輯母版文本樣式,,第二級(jí),,第三級(jí),,第四級(jí),,第五級(jí),,人教新課標(biāo)三年級(jí)數(shù)學(xué)上冊(cè),時(shí)間的計(jì)算,,2,時(shí),=,(,,),分,,1,120,1,時(shí)是,60,分,,2,時(shí)是,60,,,加,60,,等于,120,分。,時(shí)間的計(jì)算,,1.,3,時(shí),=,( ),分,,,,4,分,=,( ),,秒,180,240,,算一算,1,時(shí),=,( )分,1,分,=,( )秒,3,時(shí),=,( )分,4,分,=,( )秒,1,
2、時(shí),=,( )秒,4,分,5,秒,=,( )秒,60,60,180,240,3600,245,,在〇圖形中填上,“,>,”,,“,<,”,,“,=,”,。,9,分,〇,,90,秒,4,時(shí),〇,,24,分,5,時(shí),〇,,500,秒,140,秒,〇,,2,分,>,>,>,>,,在〇圖形中填上,“,>,”,,“,<,”,,“,=,”,。,9,分,〇,,90,秒,4,時(shí),〇,,24,分,5,時(shí),〇,,500,秒,140,秒,〇,,2,分,>,>,>,>,,在下面括號(hào)中填上,”,時(shí),”,或,”,小時(shí),”,.,,1.,小明上午,7( ),到學(xué)校,,,小明做,1( ),作業(yè),.
3、,,,2.,媽媽每天早上,8( ),上班,,,每天工作,8( ).,,,3.,小華每天在學(xué)校學(xué)習(xí)、活動(dòng),6,( )。,,,4.,新華書店每天早上,8( ),開(kāi)始營(yíng)業(yè),,,下午,6( ),停止?fàn)I業(yè),,,一天營(yíng)業(yè),10( ).,時(shí),小時(shí),時(shí),小時(shí),小時(shí),時(shí),時(shí),小時(shí),,,2,7 : 30,離家,7 : 45,到校,,分針從,6,走到,9,。走了,,,3,大格,是,15,分鐘。,45,-,30 = 15,,,,是,15,分鐘。,你還有不同的想法嗎?,小明從家到學(xué)校用了多少時(shí)間,?,,(,,),(,,),(,,),(,,),35,分,35,分,20,分,25,分,,,,,
4、,25,5,4,50,4,15,05,12,40,11,4.,,11 : 20,:,:,:,:,:,,2.,哎,才,8 : 40,,我,,還要等多久呢,?,營(yíng)業(yè)時(shí)間,,早,9 : 00,開(kāi)門,,晚,8 : 00,關(guān)門,9,時(shí),-,,8,時(shí),40,分,=,20,(,分鐘,),,答,:,我還要等,20,分鐘。,,,節(jié)目預(yù)報(bào),,8:10,金色的童年,,8:40,兒童英語(yǔ),,…… ……,,14:00,六一劇場(chǎng),,16:00,美術(shù)星空,,16:40,七巧板,,…… ……,,18:30,大風(fēng)車,,19:00,新聞聯(lián)播,,……
5、 ……,,,“,六一劇場(chǎng),”,播放多長(zhǎng)時(shí)間,?,16,時(shí)-,14,時(shí),=2,小時(shí),,播放,2,小時(shí),“,金色童年,”,播放多長(zhǎng)時(shí)間,?,,,借書時(shí)間,,12:00-----13:30,,,15:00-----16:30,每天借書的時(shí)間有多長(zhǎng),?,,-,小星晚上,8,時(shí)睡覺(jué),,,第二天早晨,6,起床。她睡了幾小時(shí)?,,蛋糕店,,營(yíng)業(yè)時(shí)間,,6:00---------20:00,,,一天營(yíng)業(yè)( )小時(shí),14,,,,,新華書店,,營(yíng)業(yè)時(shí)間,,8,:,00--------18,:,30,,一天營(yíng)業(yè)( )小時(shí)( )分,,10,30,,湘緣飯店,,營(yíng)業(yè)時(shí)間,,11:00------1
6、3:20,,16:00------21:40,,餃子店,,營(yíng)業(yè)時(shí)間,,上午,6:00-----9:00,,中午,11:00-----,下午,1:00,,下午,5:00-----7:00,一天營(yíng)業(yè),( ),8,小時(shí),7,小時(shí),,,1.,從北京到濟(jì)南火車運(yùn)行多長(zhǎng)時(shí)間,?,,10:,時(shí),50,分,— 6,時(shí),= 4,小時(shí),50,分,2.,在濟(jì)南車站火車停靠多長(zhǎng)時(shí)間,?,,11,時(shí),— 10,時(shí),50,分,= 10,分,3.,從這張火車的運(yùn)行時(shí)刻表上,,,你還能知道些什么,?,,5.,一列火車本應(yīng),11 : 20,到達(dá),現(xiàn)在要晚點(diǎn),25,分鐘。它什么時(shí)候到達(dá)?,答,:,它,11:45,到達(dá)。,20 + 25 = 45,(,分,),,6.,估計(jì)一下,做好下面每件事情你要用多少時(shí)間。,( ) ( ) ( ) ( ),,