五年级下册第三单元第四课时.ppt

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1、UNIT3MyBirthdayPartB：Let’slearnPairwork授课教师：孙薇JanuaryJan.一月FebruaryFeb.二月MarchMar.三月AprilApr.四月May五月June六月July七月AugustAug.八月SeptemberSept.九月OctoberOct.十月NovemberNov.十一月DecemberDec.十二月Let’srevisethetwelvemonthstogether.一起来复习十二个月份的单词序数词学习表示次序的数词叫序数词，是由基数词变化而来的

2、。1one-----first2two------second3three----third4four----fourth其余的序数词是由基数词后加-th变化而来。12345891220基数词序数词first第一second第二third第三fourth第四fifth第五eighth第八ninth第九twelfth第十二twentieth第二十缩写形式1st2nd3rd4th5th8th9th12th20thonetwothreefourfiveeightninetwelvetwenty基数词变为序数词的口诀：

3、基变序，有规律，词尾加上th；一、二、三，特殊记，词尾字母t,d,d;八减t,九减e,f来把ve替；单词ty作结尾，ty变成tie;若是碰到几十几，只变个位就可以。如:firstsecondthird它们没有规律就得单独记，eight减掉t变成eighth,nine减掉e变成ninth。遇到有ve结尾的，就要把ve替换成f，如five变成fifth,twelve变成twelfth。twenty变成twentieth,如果遇到几十几的数字，只变个位数就可以，例如21，twenty-one就要变成twenty-

4、first…基数词6six7seven10ten11eleven12twelve13thirteen15fifteen20twenty21twenty-one25twenty-five30thirtysixthseventhtentheleventhtwelfththirteenthfifteenthtwentiethtwenty-firsttwenty-fifththirtieth序数词Whenisyourbirthday?It’sOctober1st,ourNationalDay.WhenisyourInd

5、ependenceDay?It’sJuly4th.你的生日是什么时候?10月1日,我们的国庆节.你们的独立日是什么时候?7月4日Pairwork:NationalDayWomen’sDayArmyDayChildren’sDayTeachers’DayNewYear’sDay国庆节妇女节建军节儿童节教师节元旦/新年October1st10.1March8th3.8August1st8.1June1st6.1September10th9.10January1st1.1日期的表达dateWhat’sthedatet

6、oday?It’sApril18th.Dialogue:1A:WhenisNationalDay/Teachers’Day?B:It’sOctober1st/…Dialogue1:A:Whatdayisit?B:It’sTeachers’Day.A:WhenisTeachers’Day?B:It’sSeptember10th.Practice:Lookatthepicturesandmakeyourowndialogue.看图做对话。NationalDayOctober1stChildren’sDayJune1

7、stNewYear’sDayJanuary1stTeachers’DaySeptember10thArmyDayAugust1stWomen’sDayMarch8thpictures:1.制作自己的日历卡。a为你的父母和朋友找出重要的日期，别忘了把假期和节日写进去。b做一个对话。列如：A:Whenisyourbirthday/Teachers’Day…?B:It’s…2.背诵1~20的序数词并抄写其简写形式。Homework:Goodbyeboysandgirls!