七年级英语上册 chapter 4 the world of numbers intensive reading教案 牛津深圳版

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1、Chapter4Theworldofnumbers(Intensivereading)Teachingaims:1.Togetfurtheringlearningaboutthepassage,learnthe12phrasesinthetext.2.Knowhowtousethephrases.3.Tolearnhownumbersdevelopedwiththetimes.Teachingkeypoint:The12phrasesinthetextTeachingdifficultpoints:1.P

2、hrase:helpsb.dosth.2.Recitethepassage.Teachingprocedures:步骤目的教师活动学生活动条件/手段Step1.RevisionCheckthehomeworkandprepareforthelesson.1.Guidethestudentstousereadingskills.(Itisapassageaboutaclock.)Tellandchecktheanswersofthisreading.BlackboardStep2.Lead-in1.Getc

3、losetotheSs2.Createaneasyatmosphere3.Leadintothelesson1.Asksswhat’sthetopicofthepassage?(Aclock)2.Showaclocktoshowweusenumberstotellthetime.Askss“Wherecanweseenumbers?”1.Answerthequestion.2.Freetalk:“Wherecanweseenumbers?”ComputerStep3.Intensivereading1.G

4、etthefurtherlearningaboutnumbers.2.Gettheideahowancientpeoplewrotenumbersinmanydifferentways.1.Askstudentstoansweraquestion:Howmanylanguagesdoyouknow?2.A.AskstudentstoreadPara1tounderstandhowancientpeoplewrotenumbersinmanydifferentways.(showapictureofdiff

5、erentnumbers)B.Asksstofindthe1.Answerthequestionandthenreadtheheadlineandthentrytoreciteit.2.ReadPara1andfindancientpeoplewrotenumbersindifferentwaysbythehelpofthepicture.ComputerandtextbookShowingpicturesComputer1.TraintheSs’intonation;getabetterundersta

6、ndingofthecharacter.2.EducateSstobecareful.3.EducateSs’abilityofanalysis.4.EducateSs’abilityofanalysis.5.Thecomputersareverypowerful.similarofancientnumbers.1.AskastudenttoreadPara2.Andtheotherstudentstocorrecthisorherintonation.Andthenshowapicturetohelpt

7、hesstounderstandwhatthesystemofnumberstodayis.Askaquestion:What’stheimportanceoftheinventionofthezero?2.AskSstoreadPara3tosix.Ask:Howmanycalculatingmachinesarethereinthebook?3.Analysistheabacus’sfeatures.4.Explainthemodernelectroniccalculator.Focusonitsfu

8、nctions.5.Showacomputer,asktwoquestions:A.Howdopeoplethinkofthecomputer?B.Howfastcanacomputer1.Readandanswerthequestions.2.Withthehelpofthepicturesinthebook,thestudentstrytogetthesenseofthedevelopmentofcalculatingma