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1、Unit4TheWorldofNumbers華師附屬南國實(shí)驗(yàn)學(xué)校實(shí)習(xí)隊(duì)ByHuangShaofangⅠ.Period:The1stperiodⅡ.Teachingcontent:ReadingAinPage50Ⅲ.Teachingtype:readingⅣ.Teachingaim:?Language:Acquiresomeknowledgeabouttheancientnumbers,thesystemofnumbersandcalculatingmachines.Learnsomeexpressionsofcalculation,e.g.oddnumber,e
2、vennumber,add,plus,subtract,minus,multiply,times,divide,equals,apercentage.?Ability:Dosomesimplecalculations?Emotion:Bewarestudentsoftheconcept:allsubjectsarecloselyrelated.Weshouldnotfavouroneorsomesubjectsandneglectanotherorothers.Ifyoustudyonesubjectwell,itwillbehelpfulforyoutostu
3、dyothersubjects.Ⅴ.Teachingtool:multi-mediaⅥ.DifficultandimportantpointsⅦ.Teachingprocedure:1.Greetings(1min)2.Lead-in(Raisesomequestions)(5mins)T:DoyouknowwhatsubjectIwillteachtoday?English?Chinese?Ormath?S(predicted):Englsh.T:Areyousure?Iamafriadnot.I’dliketoteachyoumathtoday.Areyou
4、goodatmath?Let’sdosomequizzestoseehowwellyourmathis.Q1:Howmanyboysarethereinourclass?S(predicted):Thirteen.(Theteacherwritesdownthenumberontheblackboard)Q2:Howmanygirlsarethereinourclass?S(predicted):Twelve.(Theteacherwritesdownthenumberontheblackboard)Q3:Howmanystudentsarethereinour
5、class?S(predicted):Twenty-five.(Theteacherwritesdownthenumberontheblackboard)Q4:Howdoyouknow?Suggestedanswer:Addthirteenandtwelve.Wegetfifteen.Thirteenplustwelveequalsfifteen.Soourclassconsistsofthirteenboysandtwelvegirls.Q5:Wehavefourclassesinourgrade.Ifeveryclasshastwenty-fivestude
6、nts,howmanystudentsarethereinourgrade?Suggestedanswer:Onehundred.Q6:Doyouknowwhoinventedthesenumbers?TheArabiansortheIndians?Suggestedanswer:TheIndians.Q7:Whatmachinescanweusetocalculatenumbers?Suggestedanswers:abacus,electroniccalculator,computer3.Learnsomenewwordsandexpressions.(in
7、terwovenwiththeaboveprocess)(10mins)(1)“add…and…”,“…plus…equals…”,“consistof”:Addthirteenandtwelve.Wegetfifteen.Thirteenplustwelveequalsfifteen.Soourclassconsistsofthirteenboysandtwelvegirls.(2)“odd”,“even”:Thirteenisanoddnumber.Twelveisanevennumber.(3)“multiply…by…”.“…times…equals…”
8、,“nearly”:Mu
