《分数的初步认识》教学设计

Unit13We’retryingtosavetheearth!SectionA1a-1cTextbookAnalysisThetopicofthisunitisenvironmentalprotection.ThecontentofthisclassisthefirstperiodofPEPGoForItGrade9Unit13We’retryingtosavetheearth!Bylearningthisclass，studentsareabletomastersomekeywords,phrasesandsentencesaboutprotectingtheenvironment.Also,itisagoodwaytoreviewthestructures:should+do;usedto+do;be+doing.Atthesametime,studentscouldlistsomemeasurestoprotecttheenvironmentandknowhowtoprotecttheenvironmentindailylives.TeachingObjectivesKnowledgeobjectives1)Mastersomekeywordsandphrases:litter,bottom,airpollution,waterpollutionetc.2)Understandsomekeysentences,like“Eventhebottomoftheriverwasfullofrubbish.”3)ReviewsomeGrammarstructureslike:should+do;usedto+doandstudentscanmasterthem.Abilityobjectives1)Developstudents’listening,speaking,readingandwritingability.2)Studentscanlistsomemeasurestoprotecttheenvironment.EmotionalObjectivesStudentsknowhowtoprotecttheenvironmentandknowtheimportanceofit.TeachingImportantPointsa.Keywordsandphrases:litter,bottom,fisherman,noisepollution,airpollution,waterpollution,landpollution.b.Keysentences:1.Eventhebottomoftheriverwasfullofrubbish.2.Itusedtobesoclean.3.Everyoneinthistownshouldplayapartincleaningitup.c.Keystructures:should+do;usedto+do;be+doing.Eg:Everyoneshouldhelptocleanuptheriver.Butitusedtobesoclean!Peoplearethrowinglitterintotheriver.TeachingDifficultPointsPracticethestructurestotalkaboutpollutionandenvironmentalprotection.TeachingmethodsTask-BasedLanguageTeachingMethod;Audio-LingualMethod;CommunicativeTeachingMethod.TeachingProceduresStep1Warmingupa.Watchavideoaboutthechangeoftheanimals’livingenvironmentbecauseofpollution.(设计意图：播放视频吸引学生注意力，学生初步了解当下的环境污染问题，并意识到环境保护行动刻不容缓，为之后的课堂教学作铺垫。)b.FreeTalkingIsthereanypollutioninyourhometown?Tellittous.Therearealotofcarsontheroad.Theymakealotofsound.Ifeelbad.Thereistoomuchwasteintheriver.Peoplethrowlittereverywhere.（通过讨论问题，打开学生思维，初步感知目标语言，激发学生的学习兴趣，引导学生大胆地开口说英语，提高学生的口语表达能力。）Step2NewwordslitterDon’t________yourthingsaround.bottomLiuTaotouchesthe________ofthecup.fishermanThe________iscatchingfish.coalTherearealotof________undertheground.（设计意图：图片呈现，句子挖空形式导入新单词，更加生动直观，在语境中学习单词符合新课程标准要求。）Step3Lead-ina.Presentpicturesofairpollution;waterpollution;noisepollution;landpollution（设计意图：图片导入本节课的主题“环境污染”，直观形象。）b.GameMatchthefourkindsofpollutionwiththepictures.（设计意图：知识配对游戏可以活跃课堂气氛，调动学生英语学习的积极性，此游戏需要学生将课件中的短语拖动到与此相对应图片，能够培养学生的动手能力。）Step4ConsolidationLet’schant.Thereisalotofpollutionnow.Alotofpollutionnow.AirpollutionAirpollution;NoisepollutionNoisepollution;LandpollutionLandpollution;Let’sprotectourenvironment.Let’sprotectourenvironment.（设计意图：通过chant形式，让学生对所学的内容进行巩固练习，由于chant形式朗朗上口，学生更好地掌握这组词组和句型。）Step5Presentationa.Dothetask1ab.Game:Putthewordsintothebox.（设计意图：完成课本1a部分的任务，知识分类游戏调动学生的学习积极性，在轻松愉快的教学氛围中完成任务并巩固所学知识。）Step6ListeningFinish1ba.Listenandcompletethesentences.b.Listenandrepeatafterthevideo.（听并跟读地道的英语表达，培养学生的语感及引导学生注意语音语调。）Step7Pairworka.Read1caloud;b.Finishtheotherthreeconversations.Mark:theskyisso______.Wecanhardlyseetheblueskythesedays.Tony:Butitusedtobeso______!Mark:Yes,buttherearesomany______ontheroad.Andfactoriespollutetheairwithalotof______smoke.Tony:Everyoneinthistownshouldplayapartinmakingitclear............................................................................................................（设计意图：输出目标语言，对目标语言进行综合训练，体现语言的交际功能。）Step8ThinkingWhatshouldwedotosavetheearth?a.Throwrubbishintothebins.b.Turnoffthelightswhenweleavearoom.c.............................（设计意图：头脑风暴，发散思维，提高学生的发散思维能力及英语口语表达能力，鼓励学生保护环境，从生活小事做起，从点滴做起。）Step9AgameWhatcanwedotosavetheearth?（分组竞争游戏培养学生的竞争与合作意识，激发学生的学习热情，调动学生的学习积极性。）Step10Languagepointslitter1.作动词，乱扔Don'tlitterbooks.不要乱扔书本。2.做名词，垃圾，不可数名词Don'tthrowlitterhereandthere.不要到处乱扔垃圾。noisepollutionnoise噪音，可做可数名词或者不可数名词Thebabyissleeping.Don'tmakeanoise.这个婴儿在休息，不要吵。辨析：noise，sound和voicenoise指噪音；sound指大自然的声音；voice指人的声音Eventhebottomoftheriverwasfullofrubbish.atthebottomof在...底部fromtoptobottom从上到下Thereissomethingblueatthebottomofthecup.杯子底部有些蓝色的东西。Wecleanedthehousefromtoptobottom.我们从上到下打扫了房子。Howshouldtheproblembesolved?此句是含有情态动词的被动语态，结构为should+be+过去分词，否定形式为shouldnot+be+过去分词Ithinkteenagersshouldbeallowedtomaketheirowndecisions.我认为青少年应该被允许自己做决定。Everyoneinthistownshouldplayapartincleaningitup.playapartin参与，在...当中扮演角色,后接名词、动词ing形式Weshouldplayapartinallkindsofactivities.我们应该参与各种活动。Friendsplayapartinourlives.朋友在我们的生活中扮演了角色。【中考】我们都应该为保护我们学校干净尽一份力。Weallshouldplayapartinkeepingourschoolclean.（设计意图：精讲知识点，辅以造句进行充足练习，使学生掌握并灵活运用。）Step11Exercises选词填空（设计意图：巩固本节课所学的重要知识点。）Step12SummaryWords:litter,bottom,fishermanPhrases:noisepollution;airpollution;waterpollution;thebottomof...;playapartin...;usedtodo;cleanup;closedownSentences:Everyoneshouldhelptocleanuptheriver.Eventhebottomoftheriverwasfullofrubbish.Everyoneshouldhelptocleanuptheriver.（设计意图：总结本节课的学习内容，让学生对本节课的学习内容有一个清晰的概念，以便于学生课后复习。）Step13EmotionaleducationWatchavideoLet’ssaytogether:Theearthisourhome.Toprotecttheearthistoprotectourselves.Let'ssavetheearthtogether.（设计意图：情感升华，学生知道如何保护环境及保护环境的重要性。）Step14Homework1.Reviewthewordsandphrases.2.Listentothetapeagainandreadafterit.3.Whatkindsofpollutionarethereinyourhometown?Writethemdown.（设计意图：温故而知新可以为师矣，复习本节课的学习内容；再次听录音并跟读，培养学生的英语语感；写下自己家乡的污染，培养学生的观察发现能力和写作能力。）BlackboardDesignUnit13We’retryingtosavetheearth!SectionA1a-1cairpollutionairpollutionPhrases:thebottomofbefullofcleanupwritetoclosedownPhrases:thebottomofbefullofcleanupwritetoclosedownplayapartindoingsth.noisepollutionnoisepollutionpollutionpollutionwaterpollutionwaterpollutionlandpollutionlandpollutionSentences:Eventhebottomofth