2023学年完整版高中英语1Module5ALessoninaLabModule5AL

Module5ALessoninaLab教案Ⅰ.模块教学目标技能目标SkillGoals▲Prepareareportonasimplescientificexperiment▲Learndegreesofcomparison▲Learnwordsandexpressionsofsequence▲Understandanddescribeasimplescientificexperiment▲TalkaboutnumbersⅡ.目标语言功能句式WordsandexpressionsofsequenceFirst,putthemagnesium...Thenputthecrucible...Next,IlighttheBunsenburner.Afterthat,Ihold...Lastly,weneedtoweigh...EverydayEnglishWheredowegofromhere?Keepthenoisedown.You’vegotit!It’syourturn.Goahead!Definitely!词汇1．四会词汇liquid,expand,contract,substance,mixture,oxygen,electricity,stage,conclusion,aim,reaction,electrical,equipment,react,partial,rust,boil,ordinary,steam,float,form,dissolve,flame,facility,lecture,department,astonished2．认读词汇potassium,sodium,calcium,magnesium,aluminium,zinc,copper,oxide,balance,tongs,crucible3．词组add...to...,usedto,intheareaof,beproudof,besupposedto语法ComparativestructuresThisroomistwiceaslargeasthatone.Thisroomisfourtimeslargerthanthatone.It’sgettingbrighterandbrighter!Thecloseryouare,themoreyou’llsee.Adverbsusedtomodifycomparativedegreealittle,abit,alot,rather,no,any,(very)much,lots重点句子1.Itishardtothinkofaworldwithoutmetals.2.Itisimportanttoknowhowtheyreactwithdifferentsubstances,forexample,waterandoxygen.3.Thismakessurethereisnoairinthewater.4.Thesciencefacilitiesareverygood,withlaboratoriesthathaveallthelatestequipment.5.asthelecturersarepeoplewhohavemaderealdiscoveriesintheirareaofscience.6.TheyalwaysthoughtIwouldbecomeanEnglishteacher!Ⅲ.教材分析与教材重组1.教材分析本模块以“ALessoninaLab”为话题，旨在通过模块教学，使学生了解一些基本的科学实验知识，学会怎样写实验报告，并掌握一些相关的词汇与短语，激发学生对科学的兴趣。此外还要求学生学会读一些大的整数、分数及小数。从文化的角度来看，鼓励学生了解国外有关科学教学的情况，以扩大学生的知识面，从而激发他们的学习兴趣。1.1INTRODUCTION这部分由三个内容组成。通过听材料，归纳词语和回答问题这三个形式来完成本部分所涉及到的与科学、实验有关的词语的练习，为以后的各项活动做好准备。1.2VOCABULARYANDSPEAKING这部分设计了一些数字，包括整数、分数和百分数，并通过一些练习让学生熟悉并正确使用英语数字的读法。1.3GRAMMAR1这部分介绍了形容词比较级中有关倍数的两种主要用法：...times...than...和...timesas...as...,并通过对比练习来加强学生对这一用法的了解。1.4READINGANDVOCABULARY这部分由两篇短文组成。PassageA介绍了金属在生活中的重要性，并列举了一些金属在氧气、水及蒸气中的反应及其结果。PassageB介绍了ASimpleScientificExperiment，要求学生学习如何描述或写一个科学实验报告。通过对这两篇文章的学习，学生还可以学会一些科学词汇，有助于今后阅读一些相关的文章。1.5VOCABULARY该部分介绍了带分数的读法，及一些实验仪器的词汇，并配有相关练习。1.6LISTENINGANDWRITING这部分听力的内容是实验中的师生对话。我们可以将此作为对阅读内容在语言技能上的补充。听力问题的设计本身已经显示了做听力练习的技巧。1.7GRAMMAR2这部分继续介绍形容词和副词的比较级。主要是以下三种：1）表示“越来越……”；2)表示“越……越……”；3)表示程度的副词(much,alittle等)+形容词和副词的比较级。1.8PRONUNCIATION这部分介绍了英语中特殊疑问句和一般疑问句的语调，并要求学生能正确朗读。1.9EVERYDAYENGLISH这一部分介绍了五个日常用语，要求学生明确其意义、所用场合，并能正确使用。1.10FUNCTION次序的问题是写作中应注意的一个重要环节。这一部分要求学生掌握first,next,afterthat,lastly在文段中的运用以及与之相关的标点符号的用法。1.11CULTURALCORNER该部分阅读材料引用了加拿大一个中学生的文章，介绍了国外理科教育方面的一些信息，以扩大学生的知识面。1.12TASK这一部分是对本模块的一个复习与运用。要求学生能够使用所学词汇及实验报告的知识来写一篇简单的实验报告，并要求学生注意报告的内容应包括Aim,Equipment,Method,Result和Conclusion。1.13MODULEFILE这一部分集中展示了本模块的学习内容。2.教材重组2.1将INTRODUCTION和READINGANDVOCABULARY整合成一堂阅读课。2.2将VOCABULARYANDSPEAKING,LISTENINGANDWRITING和WORKBOOK中的Listeningandspeaking整合成一堂听说课。2.3将VOCABULARY,GRAMMAR1和GRAMMAR2整合成一堂语法课。2.4将CULTURALCORNER与WORKBOOK中的Reading整合成一堂泛读课。2.5将PRONUNCIATION,FUCTION,TASK,EVERYDAYENGLISH与WORKBOOK中的Speakingandwriting整合成一堂写作课。3.课型设计与课时分配1stPeriod Reading2ndPeriod ListeningandSpeaking3rdPeriod Grammar4thPeriod ExtensiveReading5thPeriod WritingⅣ.分课时教案TheFirstPeriodReadingTeachinggoals教学目标1.Targetlanguage目标语言a.重点词汇expand,contract,conclusion,method,liquid,solid,iron,mixture,oxygen,electricity,aim,equipment,react,result,steam,substance,boil,float,form,dissolve,rustb.重点句式Itishardtothinkofaworldwithoutmetals.Itisimportanttoknowhowtheyreactwithdifferentsubstances,forexample,waterandoxygen.Thismakessurethereisnoairinthewater.2.Abilitygoals能力目标Enablethestudentstodescribeascientificexperiment.Enablethestudentstolearnsomewordsconcerningscientificexperiment.3.Learningabilitygoals学能目标Helpthestudentslearnaboutthestepsofasimplescientificexperimentsothattheycandescribeasimilarone.Teachingimportantpoints教学重点Helpthestudentslearnhowtodescribeasimplescientificexperiment.Teachingdifficultpoints教学难点HelpthestudentsunderstandthetwotablesofPassageAandPassageB.Teachingmethods教学方法Listening,readinganddiscussing.Teachingaids教具准备Acomputer,aprojectorandarecorder.Teachingprocedures&ways教学过程与方式StepⅠLead-inThepurposeofthispartistoletthestudentsknowandgetfamiliarwiththenewwordsinINTRODUCTION:expand,contract,mixture,substance,oxygenandelectricity.First,writedownthewordsontheblack-board,andthenteachthemthemeaningofeachwordbyquestioning.T:Hello,everyone!DoyouknowtheprogramLucky52onCCTV?Ss:Yeah!T:OK,nowsupposeI’mLiYong,andyouarecompetitors.Herearesixwordsontheblackboard.Whatyoushoulddoistoguessthemeaningsofthem.Ifyoucan’texpresstheminEnglish,youmaysayinChinese.Thequicker,thebetter.Areyouclear?Ss:Yes.T:Listen.Whatdowetakeinwhenwebreathe?S1:Air.T:Right.Butnotexact.S2:氧气。T:Right.InEnglish,itiscalled“oxygen”.Weneedoxygentokeepalive.Andwithoutit,therewillbenolifeonthisplanet.OK,anotherquestion.Whatdowecallitwhenweputsugar,eggs,andmilktogether,orwemixthemtogether?S2:Wecallitmixture.T:Good.Allthethingsthataremixedtogethercanbecalledmixture.Nextone,wecanuseonewordtostandforallthethingsaroundus,whichincludesair,water,stone,wood,glass,ironandsoon.Whatisthisword?S3:Substance.T:Right.Next,whatwillhappenwhenwaterturnsintoice?S4:Liquidwillturnintosolid.T:Right.Besidesthis,willithavesomechangeinsize?S5:Yes.Itwillbecomelarger.T:Yeah!Whatdowecallthischange?S6:It’scalled“expand”.Teachercanusebodylanguagetoexpressthemeaningof“expand”.T:Now,thelastone.What’stheoppositemeaningof“expand”?S7:Isit“contract”?T:Youareright.Themeaningof“contract”ismakingorbecomingsmallerorshorter.Well,Ithinkthatallofusdidverywell.NowpleasereadthesewordsaftermeStepⅡVocabularyAskthestudentstoreadthesentencesinActivity1onpage41,andthenpickoutthecorrectones.Atthesametimeaskthemtopayattentiontothenewwords.AtlastchecktheanswerstoActivity1withthewholeclass.ForActivity2,askthestudentstoworkinpairstofinishthetask.Ifpossible,askthemtogivetheirrea-sonsfordoingso.ForActivity3，givethestudentsmorewordstohelpthemknowthatmaterialsarearoundallofus,andweshouldusethemcorrectlyandreasonably.T:Asthesayinggoes:Birdsofafeatherflocktogetherorthingsofonekindcometogether.Nowwe’llputthewordsinActivity2inpairsorgroups,justlikethepairsinExample.Ifpossible,giveyourreasonstodoso.Itisagoodchanceforustogetfamiliarwiththesewords.OK,I’llgiveyouoneortwominutestodothejob.Twominuteslater.T:Haveyoufinishedthetask?Ss:Yes.T:Who’dliketoreadoutyouranswers?S1:We’dliketoputair,gasandoxygentogether,becauseallofthemaregas.Andweputearth,sunandmoontogether,becauseallofthemareplanets.T:Quiteright.Howaboutyoutwoboys’answers?S2:Weputgas,liquid,andsolidtogether,becausewethinktheyarethethreestatesofsubstance.Andwealsoputcontractandexpandtogether.Thetwowordshaveoppositemeanings.T:I’mverygladthatyoucanfinishthetasksoquicklyandcorrectly.Well,allofusknowthatwearelivinginamaterialworld.Withoutthesematerials,whethernaturalorman-made,we’llhavenothingtoeat,tolivein,touse,towearandsoon.Now,let’slookatthesewords:electricity,iron,metal,steel,air,andglassinActivity3.Youhavetotellwhichofthemarenatural,whichofthemareman-madeandwhichofthemcanbeboth.S3:Air,ironandsomemetalsarenatural.Steel,somemetalsandglassareman-made.Andelectricitycanbeman-madeandnatural.T:Whydoyouthinkelectricityisbothman-madeandnatural?S3:Becauseinastorm,wecanseelighteninginthesky.Whiletheelectricityweareusingineverydaylifeisfromelectricworks.SoIthinkelectricityisbothman-madeandnatural.T:Well,it’sagoodanswer.OK,canyousaysomeotherthingsthatareman-made?Ss:Therearetoomanysuchthings.T:Giveussomeexamples.S4:Cars,machines,man-madesatellites,plasticsandsoon.T:Doyouknowman-madebeauty?S6:Iknowit.Someordinary-lookinggirlscanbecomebeautifulovernight.T:Doyouthinkitisnecessarytodoso?S7:It’sdifficulttosay.ButIthinktohaveabeautifulmindismoreimportantthantohaveabeautifulappearance.T:Iagreewithyou.Itissaidthatawomanwithabeautifulmindismorebeautifulthanawomanwithaprettyface.StepⅢReading(PassageA)Therearethreeactivitiesinthispart:Activity1:findthecorrectordertodescribethestagesofascientificexperiment;Activity2,findthebesttitleforthepassage;Activity3,answersomequestionsaboutthepassage.Task1:Activity1T:Well,ifyouwereanengineer,youwouldtakepartintheexperimentofmakingShenZhouⅤFlight.Whatkindofmaterialswouldyouliketouse?S1:I’dliketousesomematerialsthatarelightenoughandhardenough,sothattheflightcanbeeasilysentupintospace,anddoesn’tgetintrouble.T:Howcanwefindsuchkindofmaterials?S2:Wecandosomeexperiments.Wecan’tusenaturalmaterialsonly;weneedbothman-madeandnaturalmaterials.T:That’sright.Nowwe’llreadapassageaboutascientificexperiment.Pleaseturntopage44.We’llgothroughPassageA.Whenwearedoingathing,weshoulddoitinanorderlyway.It’sespeciallytruewithascientificexperiment.Nowlet’sseethefourwordsinthetable:conclusion,aim,resultandmethod.Thefourwordsareabouttheordersorstagesofascientificexperiment.Wemustknowthesetwowords:resultandmethod.Whatarethemeaningsoftheothertwowords?S3:“Aim”shouldbeaboutwhattheexperimentisfor.For“conclusion”,Ihavenoidea.T:Right.“Aim”meanspurposeorobject.Forexample,hehasonlyoneaiminlife,thatis,tobeamillionaire.Andfor“conclusion”,let’sseeanexamplefirst,whenyouhaveworkedonamathsproblemforalongtime,butyoustillcan’tworkitout.Soyoumaymakeaconclusionthattheproblemiswrong.Here,“theproblemiswrong”isyourconclusion.Doyouunderstand?Ss:Yeah!T:Nowwhocangiveussomeotherexamplestoshowthemeaningof“aim”?S4:Manypeopleaimtobeamillionaire.ButIthinktoservepeopleisthehighestaim.T:Whatisthecorrectorderofstagestodoanexperiment?Ss:Itshouldbeaim,method,resultandconclusion.T:That’sright.Withoutaim,wedon’tknowwheretogo;withoutmethod,wedon’tknowhowtodothingswell;withoutresult,we’lldrawablankorgainnothing;withoutconclusion,we’llfindwhatwe’vedoneisworthnothing.Task2:Activity2AskthestudentstoscanPassageAandfindthebesttitleforthepassage.T:PleaselookatActivity2.WhatyoushoulddoistoscanPassageAanddecidewhichisthebesttitleforthepassage.Givethestudentssometimetodothejobandthenchecktheanswer.T:Well,what’sthebesttitleforthepassage?S4:TheReactionofMetals.T:Why?S4:Thewriterbeginsthepassagebyintroducingthedifferentusesofdifferentmetals.Butfortherestpartofthepassage,includingthetable,he/shemainlydescribesseveralmetals’reactionwithdifferentsubstances.T:Whatagoodreasonitis!Now,let’slookatActivity3.Task3:Activity3Askthestudentstoreadandanswerthequestionsbelowthepassage.Givethemsometimetodothejob.Afterthat,checktheanswerswiththewholeclass.StepⅣReading(PassageB)Inthispart,thestudentswillreadthepassageandthenfillinthetablebelowthepassage.TherearethreeTasksinthispart.Thefirstoneistoaskthestudentstofindthestructureofthepassageandfinishthetable.ThesecondoneistodealwithActivity5.ThethirdoneistofinishActivity6.Task1:StructureofthepassageT:Now,we’llcontinuetoreadPassageB.ThetitleofitisASimpleScientificExperiment.Fromthepassagewecanseehowtheexperimentisdone.Whatisthestructureofadescriptionofexperiment?Whocancometotheblackboardtowritedownthestructure?S:Letmetry.Astudentcomestotheblackboardandwritesdownthestructure.ASimpleScientificExperiment:Introduction→Aim→Apparatus→Method→Result→ConclusionT:OK.Weshouldnoticethatthereare3differentreactionswhicharerespectivelydescribedwithmethod,resultandconclusion.Now,pleasereadthepassageandthenfillinthetable.Letthestudentsdothejob,andthenchecktheanswerswiththewholeclass.T:Well,whatisordinarywateraccordingtotheexperiment?S6:Ithinkordinarywaterheremeansthewaterthathasnotbeenboiled,andhasairinit.T:Right.Wealsocallordinarywater“rawwater”.Nowwhat’s“Bunsenburner”?Weoftenfinditinlabs.Now,turntopage46,andfindthepictureofBunsenburner.Task2:Activity5T:Nowpleaseturntopage46.LookatActivity5.ReadPassageBagain.Completethesentences.Afterthestudentsfinishthesentences,asksomeofthemtoreadoutthecompletesentencesandchecktheanswerswiththewholeclass.Task3:Activity6Thispartisaboutvocabularystudy.Letthestudentsreadaftertheteacher,andthenworkinpairstofindthemeaningsofthenewwords.Explanationsofsomewords:React:haveeffecton(ofonesubstanceappliedtoanother)Steam:gasfromboilingwaterOil:liquidwhichdoesnotmixwithwater,obtainedfromanimals,plantsorfoundinrockunder-groundBoil:(ofwaterorotherliquid)reachthetemperatureatwhichchangetogasoccursScientific:of,for,connectedwith,usedinscienceExperiment:testcarriedoutcarefullyinordertostudywhathappensandgainnewknowledgeFloat:beheldupinair,gasoronthesurfaceofliquid;movewithliquidorairForm:giveshapeorformto;make,produceDissolve:(ofaliquid)soakintoasolidsothatthesoliditselfbecomesliquidStepⅤLanguagePointsAskthestudentstotranslatethefollowingsentences,andgetfamiliarwiththesentencestructures.Showthefollowingsentencesonthescreen.1.Itishardtothinkofaworldwithoutmetals.2.Itisimportanttoknowhowtheyreactwithdifferentsubstances,forexample,waterandoxygen.3.Thismakessurethereisnoairinthewater.T:Beforewefinishthisclass,let’slookatthescreen.Therearethreesentencesonit.CanyoutranslatethemintoChinese?LetthestudentstranslatethesentencesintoChinese.T:OK.Infact,thesesentencesinvolvetwosentencestructures.Oneis:itis+adj.+todosomething.Theotherisanobjectclause.Nowlet’slookatmoresentencestogetfamiliarwiththetwosentencestructures.Writedownthestructuresontheblackboardandthenshowthestudentsmoresentencesonthescreen:1.It’shard(difficult)tosaywhichisbetter.2.It’sfoolish(silly)toactlikethat.3.It’seasytolearnaforeignlanguage.4.It’simpossibletofinishthejobinoneday.5.It’swrongtosteal.6.Ionlycametomakesurethateverythingwasallright.7.Fathermakessurethatallthelightsareoffbeforehegoestobed.8.Makecertainthatyourfactsareright.9.Wemustmakecertainthatshecancome.Letthestudentstranslatethesentences.Iftheyhaveanydifficulty,givethemsomehelp.StepⅥHomeworkT:Today,wehavelearnedsomenewwordsandtwopassagesaboutscientificexperiment.Afterclass,pleasedoExercises6,7and8onpages92&93.Theseexercisescanhelpusrememberthenewwordsandexpressionsaboutscientificexperiment.OK,that’sallfortoday.Seeyounexttime.Ss:Seeyou.TheSecondPeriodListeningandSpeakingTeachinggoals教学目标1.Targetlanguage目标语言Englishnumbers2.Abilitygoals能力目标HelpthestudentstoreadandwritesomeEnglishnumberscorrectly.Helpthestudentsfindthemainpartsofanexperimentwhiletheyarelistening.3.Learningabilitygoals学能目标Helpthestudentsknowtherulesofexpressingnumbers.Helpthestudentsguessthemainpartsofalisteningmaterialfromthetips.Teachingimportantpoints教学重点LetthestudentspayattentiontothekeywordsinthematerialsaboutAim,Equipment,Method,Result,andConclusion.Teachingdifficultpoints教学难点HelpthestudentsreadsomelargeEnglishnumbers.Teachingmethods教学方法Listeninganddiscussion.Teachingaids教具准备Aprojectorandarecorder.Teachingprocedures&ways教学过程与方式StepⅠRevisionCheckthestudents’homework.ForExercises6and7,givethemanswersheet.ForExercise8,ask10studentstoreadoutthecompletesentencesonebyone.Theyshouldpayattentiontotheirpronunciationandintonation.StepⅡListeningandWritingThisisacontinuedparttothereadingmaterial.Thestudentscangetmorefamiliarwithsomenewwordsandexpressions,andalsogetfamiliarwiththedescriptionofanexperiment.AskthestudentstoscanthethreeactivitiesinLISTENINGANDWRITINGonP46,sothattheyknowwhattheyaregoingtodo,andtrytogetreadytocatchthekeywordsorkeysentenceswhentheyarelistening.T:Now,pleaseturntopage46.Wearegoingtohavealistening.Atfirst,scanthethreeinstructionstoknowwhatyouaregoingtodo.Severalminuteslater.T:Doyouknowwhatyouaregoingtodo?Ss:Yes.T:What’sthefirstone?S1:ToreadtheAimbelowandpredicttheResult.T:Whatisyourprediction?S1:Ithinktherearetworesults.Oneisthatthemagnesiumisheavierthanbefore.Theotheristhatitbecomesalittlelighterthanbefore.It’sdifficulttogetaresult,unlesswemakeanexperiment.T:Good,thisisacorrectattitudetowardsscience.Now,we’lllistentotheconversationtofindtheresult.Sopleaselistencarefullyandwritedownthekeywords.Playtherecorderforthestudentstohaveafirstlistening.Afterthat,letthestudentswritedowntheiranswersusingthekeywords.Ifpossible,askthemtowritethewholesentences.T:Nowlet’slistenandcompletethedescriptionofthescientificexperiment.We’veknowntheAimandResult.WhatweshouldfocusonisApparatus,MethodandConclusion.AndforMethod,weshouldpayattentiontothefunctionwords:first,then,next,afterthat,andlastly.Doyouremember?Ss:Yes.T:OK,let’slistenagain.Playthetaperecorderagain.Thestudentslistentotherecorderandcompletetheirsentences.Atlast,collecttheanswers.StepⅢListeningandSpeaking(P95)Thisisanotherexperimentforthestudentstohavealistening.Thepurposeofthelisteningisthesameastheaboveone.Askthestudentstoreadtheexercisesbeforelistening,includingExercises13,14and15,sothattheyknowclearlywhattheyaregoingtodo.T:Now,we’llhaveanotherlistening.Areyouclearaboutwhatyouaregoingtodo?Ss:Yes.T:OK,forExercise13,wehavetodecidewhattheaimoftheexperimentis.Andthendecidethecorrectorderofthestages.So,firstlookatthepictures,workinpairstodescribewhattheboyisdoing.Letthestudentsdothejob,andthencollecttheirdescriptions.T:Well,justnow,Icollectedsomeofyourdescriptionsaboutwhattheboyisdoing.Lookatthesentencesonthescreen.Writethefollowingsentencesonthescreen.a)Bobiswritingaconclusion.b)Heissqueezingalemon.c)Heisgoingtofirethepaper.d)Thisistheaimoftheexperiment.e)Hejustlightedacandle.f)Heisgoingtowritesomethingonthepaper.g)Heisblowingthepaper.T:Allofthesedescriptionsareverygood.Nowlet’slistentothetapetofindtheaimandputthestagesinthecorrectorder.Afterthestudentsfinishthetask,checktheiranswerswiththewholeclassbylisteningtothematerialagain.T:Well,it’stimeforustohaveaspeaking.LookatExercise15.Takeitinturnstodescribetheexperiment.Usethesewordsandphrasesinthebox.Givethestudentssometimetodothejob.Andthenaskoneortwoofthemtoreadouttheirdescriptions.Teachercanalsoleavethispartashomework.StepⅣVocabularyandSpeakingInthisparthelpthestudentsmastertherulesofreadingEnglishnumbers.Thereare3tasksinthisstep:Task1,Activity1;Task2,Activity2;Task3,Activities3and4.Task1:Activity1T:Todaywe’lllearnhowtoreadsomeEnglishnumbers.PleaselookatScreen1,PartA.Therearesomenumbersonit.Findtherulesandthenworkinpairstoreadthemcorrectly.Screen1:A2202002,00020,000200,0002,000,00020,000,000200,000,0002,000,000,000B1221231,23412,345123,4561,234,56712,345,678123,456,7891,234,567,890Severalminuteslater.T:Doyoufindtherulesofthesenumbers?S1:Itseemsthatthreezerosareusedasaunit.T:Right.Howdoyouread20,000?S1:Twentythousand.T:Howabout200,000?S1:Twohundredthousand.T:Howabout2,000,000?S1:Twothousandthousand.T:I’mafraidyouarewrong.Itshouldbetwomillion.S1:Sorry,Iforgetit.T:OK,howabout20,000,000?S2:It’stwentymillion.T:Right.Howabout200,000,000?S3:That’stwohundredmillion.T:Whatabout2,000,000,000?S4:Thatistwothousandmillion.T:Right.ThisisthewaythatEnglishnumbersareread.Americanwouldliketoreadlikethis:twobillion.Youdidverywell.Sitdown,please.Now,let’slookatthescreen.HereisthewayswereadEnglishnumbers.Pleasepayattentiontotheboldface.That’stheunitofthenumbers.Screen2:200 Twohundred2,000 Twothousand20,000 Twentythousand200,000 Twohundredthousand2,000,000 Twomillion20,000,000 Twentymillion200,000,000 Twohundredmillion2,000,000,000 TwothousandmillionortwobillionLetthestudentsreadthenumbersonScreen2andthenreadnumbersinPartBinScreen1.Letthemworkinpairstodothejob,andthenaskthemtoreadthenumbersoutindividually.S:...T:Nowlet’slookatScreen3.Thesearethewayswereadandwritethenumbers.Screen3:22 Twenty-two123 Onehundredandtwenty-three1,234 Onethousand,twohundredand thirty-four12,345 Twelvethousand,threehundred andfifty-five123,456 Onehundredandtwenty-threethou- sand,fourhundredandfifty-six1,234,567 Onemillion,twohundredandthirty -fourthousand,fivehundredand sixty-seven12,345,678 Twelvemillion,threehundredand forty-fivethousand,sixhundred andseventy-eight123,456,789 Onehundredandtwenty-threemil- lion,fourhundredandfifty-six thousand,sevenhundredandeighty-nine1,234,567,890 Onebillion,twohundredandthirty- fourmillion,fivehundredandsixty- seventhousand,eighthundredand ninetyTocheckwhetherthestudentshavemasteredthewayofreadingEnglishnumbers,letthemlookatthenumbersinActivity1.Therearetwomistakes.Letthestudentsreadthenumbersandfindthemistakes.T:NowtherearesomenumbersinActivity1onpage42.Therearetwomistakesinthem.Readthenumbersandthenfindthemistakes.AfterthatI’llasksomeofyoutotellthemistakes.Later.T:Whatarethemistakes?S1:OneisinNumber1.Theword“thousand”ismissingafter“fourhundredandseventy”.TheotherisinNumber2.Theword“one”(or“a”)ismissingbefore“hundredmillion”.T:Quiteright.That’sallforActivity1.Task2:Activity2Now,let’sturntoActivity2.Lookatthefractionsandthewayofsayingthem.What’stherule?S1:Theupperonesarecardinalnumbersandtheloweronesareordinalnumbers.T:Right.Whendoweusepluralforms?S2:Whentheupperoneismorethanone.T:Right.Butthewayyouaresayingisveryinteresting.InEnglish,whatyoucall“upperone”iscallednumeratorofafraction;whilethe“lowerone”iscalleddenominator.Now,let’sreadthesefractionsinEnglish:2/5,5/8,9/10,3/8,5/6.Studentsreadthefractions.Task3:Activities3and4T:Now,let’slookatActivity3.DescribethefractionsinActivity2aspercentages.Askthestudentstoworkinpairstocomparetheiranswers.Andthencollecttheanswersfromtheclass.T:Now,lookatActivity4.Readthesequestionsaloudandsaytheanswers.Workinpairstotaketurnsaskingandansweringthequestions.Givethemsomehelp,ifsomeofthemhaveanytroubleindoingthis.Afterawhile,checktheanswerswiththewholeclass.Iftimepermits,finishActivity5.Ifnot,leaveitashomework.StepⅤHomeworkT:InthisclasswelistenedtotwomaterialsandlearnedtoreadsomenumbersinEnglish.It’shard,butyouhavemasteredallofthem.Youareterrific!Now,payattentiontoourhomework:OneistopreviewVocabularyonpage46;TheotheristofinishExercise9onpage93andExercise15onpage95.ForExercise15,you’dbetterwritethemdown,sothatwecanshowthemoutonthescreen.Nexttime,I’llcheckyouranswerstotheseexercises.OK,classisover,seeyoutomorrow.Ss:Seeyou.TheThirdPeriodGrammarTeachinggoals教学目标1.Targetlanguage目标语言a.重点词汇和短语alittle,abit,alot,rather,no,any,(very)much,lotsb.重点句式Theearthisforty-ninetimeslargerthanthemoon.P43Theearthisforty-ninetimesaslargeasthemoon.P43It’sgettingbrighterandbrighter!P47Thecloseryouare,themoreyou’llsee.P47ThemorebooksIread,themoreinformationIlearn.P472.Abilitygoals能力目标Enablethestudentstolearndegreesofcomparisonandsomeadverbsusedtomodifythecomparativedegree.3.Learningabilitygoals学能目标Helpthestudentssolvesomesimplemathsproblemstopracticethedegreesofcomparison.Teachingimportantpoints教学重点Theusagesofthecomparativedegree.Teachingdifficultpoints教学难点Helpthestudentspayattentiontotheagreementincomparisonobjects.Teachingmethods教学方法Question-answeranddiscussion.Teachingaids教具准备Acomputerandaprojector.Teachingprocedures&ways教学过程与方式StepⅠRevisionForthehomework,checkwhethertheycanreadthedecimalscorrectlybyfollowingtheexamples.Iftheyhaveanyproblemsaboutthispart,helpthem.ForExercise15,asksomestudentstoreadouttheirdescriptions.Meanwhile,payattentiontowhethertheyhaveusedthefunctionwordsandexpressionsinthetable.StepⅡLead-inShowsomeproverbstothestudentsandletthemguessthemeaningsofthesentences.Andthengivethemthecorrectmeaningsofthesentences.T:Today,we’lllearnthedegreesofcomparison.Atfirst,let’slookatthescreenandguessthemea