资源描述：
《unit 4 the world of numbers 教案》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。
1、Unit4TheWorldofNumbers教案Unit4TherldfNubersⅠPerid:The1stperidⅡTeahingntent:ReadingAinPage0ⅢTeahingtpe:readingⅣTeahingai:&slash;Language:Aquiresenledgeabuttheanientnubers,thesstefnubersandalulatingahinesLearnseexpressinsfalulatin,egddnuber,evennuber,add,plus,sub
2、trat,inus,ultipl,ties,divide,equals,aperentage&slash;Abilit:Dsesiplealulatins&slash;Etin:Bearestudentsfthenept:allsubetsarelselrelatedeshuldntfavurnersesubetsandnegletantherrthersIfustudnesubetell,itillbehelpfulfrutstudthersubetsⅤTeahingtl:ulti-ediaⅥDiffiultan
3、diprtantpintsⅦTeahingpredure:1Greetings(1in)2Lead-in(Raisesequestins)(ins)T:DunhatsubetIillteahtda?English?hinese?rath?S(predited):EnglshT:Areusure?IaafriadntI’dlietteahuathtdaAreugdatath?Let’sdsequizzestseehellurathisQ1:Hanbsarethereinurlass?S(predited):Thirt
4、een(Theteaherritesdnthenuberntheblabard)Q2:Hangirlsarethereinurlass?S(predited):Telve(Theteaherritesdnthenuberntheblabard)Q3:Hanstudentsarethereinurlass?S(predited):Tent-five(Theteaherritesdnthenuberntheblabard)Q4:Hdun?Suggestedanser:Addthirteenandtelveegetfif
5、teenThirteenplustelveequalsfifteenSurlassnsistsfthirteenbsandtelvegirlsQ:ehavefurlassesinurgradeIfeverlasshastent-fivestudents,hanstudentsarethereinurgrade?Suggestedanser:nehundredQ6:Dunhinventedthesenubers?TheArabiansrtheIndians?Suggestedanser:TheIndiansQ7:ha
6、tahinesaneusetalulatenubers?Suggestedansers:abaus,eletrnialulatr,puter3Learnsenerdsandexpressins(interveniththeabvepress)(10ins)(1)“add…and…”,“…plus…equals…”,“nsistf”:AddthirteenandtelveegetfifteenThirteenplustelveequalsfifteenSurlassnsistsfthirteenbsandtelveg
7、irls(2)“dd”,“even”:ThirteenisanddnuberTelveisanevennuber(3)“ultipl…b…”“…ties…equals…”,“nearl”:ultipltent-fivebfuregetnehundredTent-fivetiesfurequalsnehundredT:Infat,ehavenint-ninestudentsinurgradeSit’snearlnehunderd(4)“invent”,“inventin”()“alulate”,“alulatr”(s
8、hapiturefeletrnialulatr)(6)“abaus”,“bead”,“ire”,“btt”(shapiturefabaus)4Asthestudentstlatthesreenandreadtheabvenerdsandexpressinsalud(1in)DExeriseA1(guidethestudentstunderstandthere
