泗陽縣初中英語學科教案設計者:陳沿捷使用者:____________使用日期:_______總第_______課時課題七下Unit1DreamhomesGrammarII課型新授課課時第5課時教學目標Bytheendoftheclass,thestudentsshouldbeableto1.knowtheusageofordinalnumbersindifferentoccasion.2.readandspellordinalnumberscorrectly.3.talkaboutdates,floors,order,etc.重點難點1.Studentswillbeabletoreadandwritethem.2.Todistinguishcardinalnumbersandordinalnumbersanduseordinalnumberscorrectly.教具準備PPT,ablackboard教學內容復備Step1Lead-in(Revision)1.CheckingworkTeachercheckstheSs'previewpapersfirst.Showinglearningaims3.ShowsomenumberstoSs,askthemtoread.Step2Presentation1.ExplaintheordinalnumberstotheSsall.2.Showsomesentencesthatwehavelearnedincludingtheordinalnumbers.Underlinetheordinalnumbers.3.Presentcardinalnumbersandcorrespondingordinalnumbers.(PresenttheordinalnumberstotheSs.)DiscussionAskthestudentstopayattentiontothechangingrulesandsomespecialusage.(Watchanddiscuss.)(Purposes:Cooperatetofindhowtolearn.)Payattention!readtheordinalnumbersHowtowriteordinalnumbers(1)大部分基數(shù)詞在詞尾加th。如：fourth(第四)thirteenth(第十三)hundredth(第一百)(2)表示整十的基數(shù)詞，變y為ie，再加th。7如：twentieth(第二十)eightieth(第八十)(3)特殊的序數(shù)詞有：first(第一)second(第二)third(第三)fifth(第五)eighth(第八)ninth(第九)twelfth(第十二)(4)要把一個“幾十幾”，“幾百幾”的基數(shù)詞變成序數(shù)詞，只需把個位數(shù)變成序數(shù)詞。如：thirty-second(第三十二)twohundredandfifty一sixth(第256)Step3PracticeShowmorenumbersandaskSstoread.(ShowmorenumbersandaskSstoread.Seeiftheyarerightorwrong,correctwiththewholeclass.)workinpairsandreadthenumbers.小組競賽。4人一組，看誰最快記住這些序數(shù)詞。Setsomesituationneedingtouseordinalnumbers.CompleteP12B2LanguagepointsontheeighthofMarch.OntheseventhfloorThefirstto4.序數(shù)詞須與the、物主代詞或名詞所有格連用eg.Lookatthefourthpictureonyourbook.Todayismyfifteenthbirthday.It’sLily’sfifthtimetocometoChina.Step4Consolidation寫出下列基數(shù)詞所對應的序數(shù)詞。1.one_________2.ninety_______3.two_________4.five________5.eleven_________6.twelve______7.fifty-five______8.nine______9.fourteen_________10.onemillion________11.onehundredandone__________二、根據(jù)首字母或漢語提示完成單詞。1.Mycousinlivesonthe__________(第九)floor.2.Thereare_____________（九十）roomsonthesecondfloor.3.Ihavetwo__________（百萬）dollars,Iwanttotravel.4.Octoberisthet__________monthofayear.5.Inourschool,therearemorethanthreet__________students.6.IsSundaythe__________dayofaweek?7.Thereare__________minutesinanhour.8.Thereare__________（四十）Englishstudentsinourschool.9.Novemberisthemonthoftheyear.10.Thursdayisthedayoftheweek.'11.Mother'sDayistheSundayinMay.12.Women'sDayisontheofMarch.13.PeoplealwayscelebrateChristmasonDecemberthe.14.Tofstudentsinourschoollikesports.15Children’sDayisonthe_______(one)ofJune.16.Simon’s____________(fifty-two)birthdayiscoming.Step5SummaryHowtowriteordinalnumbers1.序數(shù)詞1━19:除first,second,third,fifth,eighth,ninth,twelfth變化不規(guī)則外,其余均由在基數(shù)詞后加上“th”。2.十位整數(shù)的序數(shù)詞:將基數(shù)詞的詞尾“y”變成“ie”再加“th”。3.幾十幾的序數(shù)詞:把個位數(shù)變成序數(shù)詞,十位數(shù)不變。4.整百、整千的序數(shù)詞:hundredth,thousandth,million