四川省宜宾市一中2016-2017学年高一英语上学期第一课时第9周教学设计课题必修1M5Introduction&VocabularyandSpeaking(第1课时)课时1考点、知识点1.Module5的单词和短语；2.对数字、分数的表达。学习目标1.学习一些基本的科学有关的内容；2.加强口头表达数字训练；重、难点1.重点：教学生了解实验室的相关信息；2.难点：让学生学会数字、分数的表达。学习环节和内容学生活动建议教师活动建议调整记录Step1Introduction1.Askthestudentstofinishthequizaboutgeneralsciencetoarousetheirinterestinscience.Quiz:Howmuchdoyouknowaboutgeneralscience?1.Waterexists__________(a)asasolid,aliquidandagas(b)asasolidandaliquidonly2.Whenyouheatametal,itwill___________(a)expand(b)contract3.Steelismixtureof_____________.(a)ironandothersubstances.(b)ironandoxygen4._______________oftheearth’ssurfaceiswater.学生跟读生词，进行数字、分数的表达训练。纠正学生的错误，规范表达。(a)Two-thirds(b)50%5.Thedistanceofthesunfromtheearthis______________kilometers.(a)25,500(b)150,500,5006.Theearthis4.6______________yearsold.(a)million(b)billion7.Theearthis______________themoon(a)twiceaslargeas(b)forty-ninetimeslargerthan2.Theteachercanpreparesomecardsaboutdifferentthingsfortheclass.Beforeshowingthestudentsthecards,theteachercansaytothewholeclass:Thingscanbedividedintothreekinds,natural,man-made,andeithernaturalorman-made,nowI’llshowyousomecardsinmyhand,canyoutellmewhicharenatural,man-madeorboth?Afterthis,theteachercancontinuetosaytothewholetheclass:Canyougivesomeexamples?Thendividethewholeclassintotwobiggroupstocompete.TheteachercanasktheSstospeakoutasmanyexamplesaspossibleandwritedownthewordsinthetableontheblackboardasfollows:NaturalEg:wood,------Man-madeEg:glass,------Eithernaturalorman-madeEg:water,------3.Finally,asktheSstoopentheirbooksatPage41andreadthewordsintheboxaloud.Ifpossible,theycanlookupthewordstoknowwhattheymean.Ofcourse,theabovecompetitionwillcontinue,thatistosay,atthismoment,theteachercanasktheSstoputthewordsintheboxonPage41intheirbooksintheabovetable.Step2VocabularyandSpeaking1.Activity1Beforedealingwiththeactivity,theteacherhadbetterbuildupalongnumberbyhavingthestudentssayanincreasingsequence,eg:3three33thirty-three333threehundredandthirty-three3,333threethousand,threehundredandthirty-three33,333thirty-threethousand,threehundredandthirty-threeAtthistime,mostoftheSswillknowthewayofreadingtheselongnumbers:wheretosay“million”,“thousand”,and“hundred”.Soinordertoconsolidatewhattheyjustlearned,theteachercanpracticesayingthenumbersatthetopofPage42withthestudentstomakesuretheSshavethecorrectintonation.ThenasktheSstogothroughtherestofthenumbersinActivity1andfindtheerrorsindividuallyaccordingtothedirections.Finallytheteachercallsbacktheanswersfromtheclass.2.Activity2Firstly,theteacherpointatthefractionsandsaytheminEnglish.AtthesametimetheteacherhavetheSsrepeatthemafterhimorher.ThentheteacherandtheSsmakeananalysisabouttherulesofreadingfractionsinEnglishtogether.FinallytheteacherasktheSstoreadtherestofthefractionsinActivity2onPage42intheirbooksinEnglishontheirown.Ifnecessary,theteachercanwritedownthecorrectanswersontheblackboardtocheckwhattheyread.3.Activity3Theteachershouldintroducetheconceptofpercentageatfirst,andthentheteacherwritedownsomepercentagesontheblackboardandreadthemoutinEnglish.Eg:35%→thirty-fivepercent(or:35percent);50percentequalsahalf.ThenhavetheSspracticereadingaloudthefollowingpercentages:40%;55%;85%.FinallyhavetheSsworkinpairstodescribethefractionsinActivity2aspercentagesinEnglish.
