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1、Unit4TheWorldofNumbersUnit4TheWorldofNumbers 华师附属南国实验学校实习队ByHuangShaofang Ⅰ.Period:The1stperiod Ⅱ.Teachingcontent:ReadingAinPage50 Ⅲ.Teachingtype:reading Ⅳ.Teachingaim: ØLanguage: Acquiresomeknowledgeabouttheancientnumbers,thesystemofnumbersandcalculatingmachines. Learnsomeexpressions
2、ofcalculation,e.g.oddnumber,evennumber,add,plus,subtract,minus,multiply,times,divide,equals,apercentage. ØAbility: Dosomesimplecalculations ØEmotion: Bewarestudentsoftheconcept:allsubjectsarecloselyrelated.Weshouldnotfavouroneorsomesubjectsandneglectanotherorothers.Ifyoustudyonesubjectwel
3、l,itwillbehelpfulforyoutostudyothersubjects. Ⅴ.Teachingtool:multi-media Ⅵ.Difficultandimportantpoints Ⅶ.Teachingprocedure: 1.Greetings(1min) 2.Lead-in(Raisesomequestions)(5mins) T:DoyouknowwhatsubjectIwillteachtoday?English?Chinese?Ormath? S(predicted):Englsh. T:Areyousure?Iamafriadno
4、t.I’dliketoteachyoumathtoday.Areyougoodatmath?Let’sdosomequizzestoseehowwellyourmathis. Q1:Howmanyboysarethereinourclass? S(predicted):Thirteen.(Theteacherwritesdownthenumberontheblackboard) Q2:Howmanygirlsarethereinourclass? S(predicted):Twelve.(Theteacherwritesdownthenumberontheblackboa
5、rd) Q3:Howmanystudentsarethereinourclass? S(predicted):Twenty-five.(Theteacherwritesdownthenumberontheblackboard) Q4:Howdoyouknow? Suggestedanswer:Addthirteenandtwelve.Wegetfifteen.Thirteenplustwelveequalsfifteen.Soourclassconsistsofthirteenboysandtwelvegirls. Q5:Wehavefourclassesinourgr
6、ade.Ifeveryclasshastwenty-fivestudents,howmanystudentsarethereinourgrade? Suggestedanswer:Onehundred. Q6:Doyouknowwhoinventedthesenumbers?TheArabiansortheIndians? Suggestedanswer:TheIndians. Q7:Whatmachinescanweusetocalculatenumbers? Suggestedanswers:abacus,electroniccalculator,computer
7、 3.Learnsomenewwordsandexpressions.(interwovenwiththeaboveprocess)(10mins) (1)“add…and…”,“…plus…equals…”,“consistof”:Addthirteenandtwelve.Wegetfifteen.Thirteenplustwelveequalsfifteen.Soourclassconsistsofthirteenboysandtwelvegirls. (2)“odd”,
