湘少版·四年级上册第三课时（PartE,PartF,PartG）Unit9It’sonehundred\nFindfriends78+1012+1521+3040+2446+5450+2650+4886454511002776Findtheansweroftheequation（算式）andusethesentencestructure“…and…is…”toexpressthewholeequationinEnglish.\nListenandanswerWhatnumbersdoyouhear?(2)Doyouknowthesum?(3)Howmanynumbersarethere?(4)Howmanynumbersdoweknow?Onehundred,five,four,fifteen,twenty-three,twenty-sixandtwenty-seven.Yes.It’sonehundred.Thereare5numbers.Weknow4numbers.\nLet’sReadandWriteWeknowthesum.It’sonehundred.Therearefivenumbershere.Weknowfour:fifteen,twenty-three,twenty-sixandtwenty-seven.Whatisthemissingnumber?100\nLet’swrite.100152326279Themissingnumberis_______.nine\nWriteandCountThesumis80.Therearefournumbers:20,30and10.What’sthemissingnumber?Thesumis50.Therearefivenumbers:5,5,20and15.What’sthemissingnumber?Accordingtothenumbersgiven,writetheequation（算式）andanswerthequestions.\nThefirststudentsaysoneletterquickly(e.g.G),andthesecondstudentshouldsaythenextletterquickly(e.g.H).QuickresponseGHI…\nChantgamePP,PEP,PE,PEAP,PE,PEA,…Workingroups.Thefirststudentsaysaletter.Thesecondstudentrepeatsthepreviousletter,andaddaletter,theninturn.Let’sseewhichgroupfinishesfirst.\nVvVickywearsavest.Vickyneverhasarest.Vickyplaystheviolin.Sheplaysherbest.Listenandchant背心拉小提琴Listen,chantandunderstanditsmeaning.\nvVickyviolinnevervestvanvaluevisitReadandfindWhat’sthesoundofletter“Vv”inthesewords?/v/\n字母发音发音方法例词Vv/v//v/浊辅音，发音时声带振动。下唇轻抵上齿，让口腔内气流从唇齿间隙缝中挤出，摩擦成音。visitvegetablevacation字母Vv在单词中的发音规则语音知识专讲\nWatchandchantWatchthevideoandchantafterit.Payattentiontothesoundofletter“Vv”inthewords.Then,workingroupstochantit.\nLet’sHaveFunWorkingroupsof4.Putanumber(10,20,30,40,50,60,70)ineachcircle.Thesumofthethreecirclesoneachlineis100.Seewhichgroupwins.\n10207030406050Fifty and ten is sixty.Sixty and forty is one hundred.Thirty and ten is forty.Forty and sixty is onehundred.Twenty and ten is thirty. Thirty and seventy is one hundred.Firstly,fillinthenumbersinthecircles.Then,saytheequation（算式）accordingtothenumbersyouputin.\nWorkingroups.Thefirststudentsaysaequation(e.g.3+4),thesecondstudentsaystheanswerquickly(e.g.7).Then,thesecondstudentaddstheanswerasthenumberofnextequation(e.g.7+2).Let’scount3+477+2…\nCopythesentenceandwriteanewsentence.\nPhonetics:thepronunciationoftheletterVvinwords.Words&phrases:numbersfrom1to100:onehundred,twenty,thirty,forty,fifty…Sentencestructures:…and…is…It’sonehundred.Summary\n1.A.cuteB.rightC.think2.A.lineB.wrongC.missing3.A.homeworkB.numberC.violin4.A.singB.drawC.dance5.A.dressB.vestC.T-shirtExercise一、根据图片提示，选出正确的单词。\n1.____________________________2.____________________________3.____________________________4.____________________________5.____________________________二、看图片，用“...and…is...”写句子。Nineandelevenistwenty.Thirteenandseventeenisthirty.Twentyandtwentyisforty.Tenandfiftyissixty.Sixtyandfortyisonehundred.\n1.ListentothetapeofPartFandsingthechantofPartFtoyourparents.2.Countfrom1to100inEnglishtoyourparents.Homework