四年级英语join in 版上册课件Unit 3 第2课时教学课件

Unit3Numbers第1、2课时>>Warm-up（单击图片可播放动画）Let’ssing>>PresentationLet’sread.onetwothreefourfivesixseveneightnineten>>PresentationListenandsingthesong.>>PresentationListenagain.Wheredoesthemonkeylive?Whatdoesheeatforbreakfast/lunch/dinner?What’shisfavouritecolour/food/number?HelivesatLondonZoo.Hisfavouritecolourisyellow.Hisfavouritefoodisyellow.Hisfavouritenumberisninety-nine.>>PresentationLet’slearn.Heeatsthirty-threebananasforbreakfast.>>PresentationLet’slearn.Heeatsthirty-threebananasforlunch.>>PresentationLet’slearn.Heeatsthirty-threebananasfordinner.>>PresentationLet’slearn.2030405060708090twentythirtyfortyfiftysixtyseventyeightyninetyonetwothreefourfivesixseveneightnineten12345678910>>PresentationLet’slearn.2030405060708090twelvethirteen

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ninety>>PresentationLet’slearn.100ahundredninety-nine99thirty-three33>>PresentationLet’slearn.一至十二形各异，一个一个单独记。后面加teen变十几，thirteen，fifteen看仔细。

几十后面加ty，twenty不同重点记。forty没有字母u，thirty，fifty更出奇。eighteen，eighty只有一个t。若要表达几十几，几十短横1到9。onehundred一百特殊记。>>PracticeGame.13152060171430401216809018195070100>>PracticeListenandcolour.注意：先做标记，听完后，再涂好所有颜色。>>PracticeListenagainandcheckyouranswer.Thirteen.Red.Forty.Blueandyellow.Sixteen.Green.Eighteen.Yellow.Ninety.Brownandorange.Sixty.Greenandred.Fifteen.Pink.Fifty.Pinkandgreen.Thirty.Redandblue.Fourteen.Blue.Nineteen.Brown.Seventy.Orangeandpink.Eighty.Yellowandbrown.Seventeen.Orange.Ahundred.Black.>>PresentationListenandsaytherhyme.One,two,three,four,Five,six,seven,Eight,nine,ten,Andnoweleven,Twelveistwoplusten,Nowlet’sstartagain.>>PresentationLet’slearn.Twelveistwoplusten.12=2+10>>PresentationLet’slearn.Twoistwelveminusten.2=12-10>>PracticeDothesumsinEnglish.49+1937+4352+2519+1718+4890-3875-5782-3224-599-26Eg:Eighteenplusforty-eightissixty-six.Eg:Ninety-nineminustwenty-sixisseventy-three.>>Summary1.本节课学习的数字单词：twelvethirteen

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