英语必修5译林牛津版unit 3第3课时表格教案

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1、英语必修5译林牛津版Unit3第3课时表格教案主备人[来源:学科网]执教人授课日期班级总课题M5U3总课时分课时1课型复习课题M5U3Wordpower教学目标1.haveabetterunderstandingofdifferentmeaningsofprefixesandsuffixes.2.havealargervocabularywiththehelpofprefixesandsuffixes.3.usespecificwordstodescribehumanorgansbymeansofcomparison.教学重点Words,phrasesandsentencepatterns

2、教学难点Practicalusage教具Blackboard,slidesandhandouts教学内容教法学法Teachingprocedures:Step1Leadin(PPT4-5)1.Askstudentstoconcludesomeeasywaystodoubletheirvocabularyaccordingtotheiryears’ofEnglishlearning.2.Introducetheintendedanswerbyprovidingsomeexamplessothatstudentscanbeledtotheanswer“Byusingprefixesandsuf

3、fixes”orby“cloningit”(justforfun).[Explanation]鉴于学生已有比较长时间的学习英语的经历，前后缀对于他们来说并不陌生。以让他们总结如何让自己词汇量加倍这一方法开始整堂课的教学，从开放的问题到焦点的关注，从悬念到平实，让学生在瞬间产生好奇，并且在答案揭晓的刹那能很好得活跃课堂气氛，为后面的教学做好铺垫。Step2Prefixesandsuffixes(PPT6-10)1.Brainstorming.Askstudentstolistasmanyprefixesandsuffixesaspossibleandwritethemdownonthebla

4、ckboard.TheiranswerscanbemorethanwhatarelistedonPage46.Ifanythingisleftout,it’steacher’sjobtocomplement.Dobriefexplanationifnecessary.1.“I’mconquering.”It’sagameaswellasacompetitionbetweenboysandgirls,whichisintendedtoreviewsomerelatedvocabularyandhelpsomestudentstoenlargetheirvocabulary.Rulesarea

5、sthefollowing:Studentsofeithergendercantaketheinitialtodothecompetition.Forexample,agirlstudentstandsupfirst,picksanyprefixorsuffixandthensaysonewordcontainingthatsuffixorprefix.Thenboystudentscan’tnotusethatsuffixorprefixanymorebecausethatfieldhasbeenconquered.Onestudent,onewordatime.Boysandgirls

6、don’tneedtotaketurns.Italldependsonhowfasttheirreactionis.Buttheyhavetomakesurethatfollowingeverysuffixorprefixtheyhavepicked,theremustbethreedifferentwords.Thenthesidewhichconquersthelargestfieldwinsthecompetition.2.Afterthecompetition,teachercanaddsomewordswhichappearonpage46butaremissedoutinthe

7、iranswerssuchasillegalanddisrespect.Tip:1)Somewordstakeahyphen(-)whenaprefixisadded.2)Wesometimesneedtochangetheendingofawordbeforewecanaddasuffix.[Explanation]本节所列的前后缀除了pro-和anti-之外，学生都很熟悉，让学生进行头脑风暴，在短时间内迅速反馈以往学