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1、Unit4TheWorldofNumbers华师附属南国实验学校实习队ByHuangShaofangⅠ.Period:The1stperiodⅡ.Teachingcontent:ReadingAinPage50Ⅲ.Teachingtype:readingⅣ.Teachingaim:ØLanguage:Acquiresomeknowledgeabouttheancientnumbers,thesystemofnumbersandcalculatingmachines.Learnsomeexpressionsofcalculation,e.g.oddnumber,even
2、number,add,plus,subtract,minus,multiply,times,divide,equals,apercentage.ØAbility:DosomesimplecalculationsØEmotion:Bewarestudentsoftheconcept:allsubjectsarecloselyrelated.Weshouldnotfavouroneorsomesubjectsandneglectanotherorothers.Ifyoustudyonesubjectwell,itwillbehelpfulforyoutostudyothe
3、rsubjects.Ⅴ.Teachingtool:multi-media[Ⅵ.DifficultandimportantpointsⅦ.Teachingprocedure:1.Greetings(1min)2.Lead-in(Raisesomequestions)(5mins)T:DoyouknowwhatsubjectIwillteachtoday?English?Chinese?Ormath?S(predicted):EnglshT:Areyousure?Iamafriadnot.I’dliketoteachyoumathtoday.Areyougoodatmat
4、h?Let’sdosomequizzestoseehowwellyourmathis.Q1:Howmanyboysarethereinourclass?S(predicted):Thirteen.(Theteacherwritesdownthenumberontheblackboard)Q2:Howmanygirlsarethereinourclass?S(predicted):Twelve.(Theteacherwritesdownthenumberontheblackboard)Q3:Howmanystudentsarethereinourclass?S(pred
5、icted):Twenty-five.(Theteacherwritesdownthenumberontheblackboard)Q4:Howdoyouknow?Suggestedanswer:Addthirteenandtwelve.Wegetfifteen.Thirteenplustwelveequalsfifteen.Soourclassconsistsofthirteenboysandtwelvegirls.Q5:Wehavefourclassesinourgrade.Ifeveryclasshastwenty-fivestudents,howmanystud
6、entsarethereinourgrade?Suggestedanswer:Onehundred.Q6:Doyouknowwhoinventedthesenumbers?TheArabiansortheIndians?Suggestedanswer:TheIndians.Q7:Whatmachinescanweusetocalculatenumbers?Suggestedanswers:abacus,electroniccalculator,computer3.Learnsomenewwordsandexpressions.(interwovenwiththeabo
7、veprocess)(10mins)(1)“add…and…”,“…plus…equals…”,“consistof”:Addthirteenandtwelve.Wegetfifteen.Thirteenplustwelveequalsfifteen.Soourclassconsistsofthirteenboysandtwelvegirls.(2)“odd”,“even”:Thirteenisanoddnumber.Twelveisanevennumber.(3)“multiply…by…”.“…times…equals…”,“nearly”:Mu
