Chapter4Theworldofnumbers(Intensivereading)横岗梧桐学校刘丛Teachingaims:1.Togetfurtheringlearningaboutthepassage,learnthe12phrasesinthetext.2.Knowhowtousethephrases.3.Tolearnhownumbersdevelopedwiththetimes.Teachingkeypoint:The12phrasesinthetextTeachingdifficultpoints:1.Phrase: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.GetclosetotheSs2.Createaneasyatmosphere3.Leadintothelesson1.Asksswhat’sthetopicofthepassage?(Aclock)2.Showaclocktoshowweusenumberstotellthetime.Askss“Wherecanweseenumbers?”1.Answerthequestion.2.Freetalk:“Wherecanweseenumbers?”ComputerStep3.Intensivereading1.Getthefurtherlearningaboutnumbers.2.Getthe1.Askstudentstoansweraquestion:Howmanylanguagesdoyouknow?2.A.AskstudentstoreadPara1tounderstandhow1.Answerthequestionandthenreadtheheadlineandthentrytoreciteit.2.ReadPara1ComputerandtextbookShowingpicturesideahowancientpeoplewrotenumbersinmanydifferentways.3.TraintheSs’intonation;getabetterunderstandingofthecharacter.4.EducateSstobecareful.ancientpeoplewrotenumbersinmanydifferentways.(showapictureofdifferentnumbers)B.Asksstofindthesimilarofancientnumbers.3.AskastudenttoreadPara2.Andtheotherstudentstocorrecthisorherintonation.Andthenshowapicturetohelpthesstounderstandwhatthesystemofnumberstodayis.Askaquestion:What’stheimportanceoftheinventionofthezero?4.AskSstoreadPara3tosix.Ask:Howmanycalculatingmachinesarethereinthebook?andfindancientpeoplewrotenumbersindifferentwaysbythehelpofthepicture.3.Readandanswerthequestions.4.Withthehelpofthepicturesinthebook,thestudentstrytogetthesenseofthedevelopmentofcalculatingComputerShowingapicture.ShowingpicturesShowingapictureShowinga5.EducateSs’abilityofanalysis.6.EducateSs’abilityofanalysis.7.Thecomputersareverypowerful.8.Traintheirdiscussingability.5.Analysistheabacus’sfeatures.6.Explainthemodernelectroniccalculator.Focusonitsfunctions.7.Showacomputer,asktwoquestions:A.Howdopeoplethinkofthecomputer?B.Howfastcanacomputerdoacalculation?8.Showaform;askstudentstoconsolidateeachcalculatingmachine’sformationandfunctions.machines.5.Seethepicture,tosayout“thebeadsonthewiresstandfor…”6.Seethepicture,andsayout“itcanadd,subtract…”7.Findtheanswersinthetextbook.8.Discussinthegroupandfillintheform.pictureThetextbook.ComputerStep3LanguagepointsConsolidation1.Readthephrases2.Dothreeexercises:a.phrasesb.Fillintheblanks1.Readthephrasesandfinishtheexercises.Computerpictureswiththephrasestosummarizethepassage.Step4UsinglanguageTellSshownumbersdevelopedwiththetimes3.Showsomepicturesofumbers.Discussthedevelopmentofnumbers.PicturesStep4HomeworkConsolidation1.Listenandreadthetext,recitethephrases2.Trytorecitethepassageaccordingtothepictures
