Unit4Whenistheartshow?Unit4Whenistheartshow?PartBLet’slearn&LookandwriteLet’senjoyasong備課思路提示Greeting：略What’sthesongabout?Yes,it’saboutordinalnumbers.Beforetheclasslet’sdoawarmupandpracticeaboutordinalnumbers.IfIsayONEONE,yousayfirstfirst.OK?(Yousaytheordinalnumbers.)Warmup備課思路提示Youdidgreatjob!Todayisaspecialday.Doyouwanttoknowwhy?Llet’sgoandsee！Leadin邀請你語音通話...OK!Let’sgo.Welcometomyhome!Comeinplease~AmyandRobingotovisitWuBinbin’shome.Wow,abigcalendar!Iknowmanynumbers.Let’splaynumbersgame!Readandmatchsecondfourthfirstfifththird3rd2nd1st4th5thQuicklyresponse12345A:Whereis______?B:___isonthe____tarin.PresentationTherearesomecirclesonthecalendar.Aretheyspecialdays?Yes,myfamily’sbirthday!Theyarecuriousaboutthecalendar.PresentationWhenisgrandpa’sbirthday?12thIt’sonOctober12th.twelve:去e,改v-f+thPresentationWhenisgrandma’sbirthday?20thIt’son__________.twenty:改y-ie+thApril20thPresentationWhen_______________?30thIt’son____________.thirty:改y-ie+thNovember30thisdad’sbirthdayPresentationWhen_______________?23rdIt’son____________.twenty后+序數(shù)詞February23rdismum’sbirthdayPresentationWhen_______________?21stIt’son____________.twenty后+序數(shù)詞August21stisyourbirthdayListenandimitatePracticeApril20thNovember30thOctober12thAugust21stFebruary23rd12345Listen,numberandmatch.WuBinbin’sfamily’sspecialdays.Let’saskandanswerdadWuBinbinmumgrandmagrandpaWhen_____?It‘son______.備課思路提示Now,youknowWuBinbin’sfamily’sspecialdays.Robinwantstoknowmoreaboutordinalnumbers.Ordinalnumbershastheirsecrets.Let’slearnmoreaboutOrdinalnumbers.Let’sreadandobserve.基數(shù)詞序數(shù)詞簡寫onefirst1sttwosecond2ndthreethird3rdfourfourth4thfivefifth5th備課思路提示Lookatthesethreenumbers,dotheyhaveanyrules?No!Howaboutthesetwo?Yes,theyallendwith“th”Let’sreadandfillintheblanks.基數(shù)詞序數(shù)詞簡寫onefirst1sttwosecond2ndthreethird3rdfourfourth4thfivefifth5th基數(shù)詞序數(shù)詞簡寫sixseveneightninetenelevensixth6thseventh7theighth8thninth9thtenth10theleventh11th備課思路提示Howaboutthese?Theyallendwith“th”,butlookatthesetwo!Sowecanconclude.基數(shù)詞變序數(shù)詞規(guī)律（1--100)特殊變化的

規(guī)律變化的one—first(1st)two—second(2nd)three—third(3rd)five—fifth(5th)eight—eighth(8th)nine—ninth(9th)twelve—twelfth特殊變化的特殊記十幾的數(shù)：在基數(shù)詞后加th。如：fifteenth(15th)幾十幾的數(shù)：都是只變個位數(shù)。如：thirty-fourth(34th)規(guī)律變化（一）十幾的數(shù)：在基數(shù)詞后加th。如：fifteenth(15th)幾十幾的數(shù)：都是只變個位數(shù)。如：thirty-fourth(34th)規(guī)律變化（二）Tips:Let’schant基變序小口訣一二三特殊記“th”要從四帶起八去“t”,九去“e”“f”來把“ve”替“ty”結(jié)尾“tie”替幾十幾，最好記前基后序莫忘記備課思路提示Canyouchant?Rememberpracticemakesperfect.Tryandpracticeafterclass.Nowlet’shavefun.Gametime!GametimeApril23rdAugust8thFebruary20thMarch21stMay12ndMakeanewdialogue.PersonBirthdayAmy3.21aunt8.8uncle2.20dad4.23mum5.12TalkaboutAmy’sfamily’sbirthdayinpairs.When_____?It’son____.GroupworkDoasurveyaboutyourspecialdays.Chooseoneoffamilymemberstowritedown.(eg：birthday,importantdays)Talkaboutyoursurvey.Inourgroup,XX’sspecialdayis…