英语人教版五年级下册Unit4 B.let's learn.ppt

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1、Unit4WhenisEaster?BLet’slearnsecondfirstfourthJune4thFebruary2ndfifthAugust1stthird3rdJanuary3rdJuly5th4th1st2nd5thFlashgameWhenis___________________?It’son____________________Newyear’sDayJanuary1stAprilFool’sDayApril1stChildren’sDayJune1stChina’sNationalDayOctober1stMay

2、DayMay1stmathtestDec.1stChinesetestEnglishtestJuly5thApril4thSportsmeetOct.3rdschooltripWhenisthe_____________?It’son__________________.不是唯一的要加“the”Mar.2ndSingingcontestWhenisyourbirthday?It’sonAugust21st.twenty-first21sttwenty-oneFebruary21stDec.21stWhenisgrandpa’sbirth

3、day?It’sonOctober12th.12thtwelfthtwelveApril12thSept.12thMarch12thTreePlantingDayWhenisgrandma’sbirthday?It’sonApril20th.twentieth20thtwentyAugust20thMarch20thOct.20thWhenisDad’sbirthday?It’sonNovember30th.thirtieth30ththirtyJuly30thMarch30thJune30thWhenisMum’sbirthday?I

4、t’sonFebruary23rd.twenty-third23rdtwenty-threeApril23rdMay23rdNov.23rdtwenty-thirdtwelfthtwenty-firstthirtiethtwentiethRound1twenty-thirdtwelfthtwenty-firstthirtiethtwentiethRound223rd12th21st30th20thRound3Wuyifan’sbirthdayisonAugust21st.Grandpa’sbirthdayisonOctober12th.

5、Grandma’sbirthdayisonApril20th.Dad’sbirthdayisonNovember30th.Mum’sbirthdayisonFebruary23rd.表示次序的数词叫序数词，是由基数词变化而来的。1one-----first2two------second3three----third4其余的序数词是由基数词后加-th变化而来。几个特殊变化的序数词1five----fifth2twelve----twelfth3eight----eighth4nine----ninth整十的序数词把y变成i加-eth1t

6、wenty----twentieth2thirty----thirtieth3forty----fortieth4fifty-----fiftieth5你能写出sixtyseventyeightyninety的序数词吗？你对了吗？1.Sixty----sixtieth2.seventy---seventieth3.eighty----eightieth4,ninety----ninetieth几十几的序数词，十位数不变，个位数变成序数词。1.twenty-one21----twenty-first21st2.thirty-two32--

7、---thirty-second32nd3.ninety-nine99----ninety-ninth99th4.请写出66834855的序数词。Whenisyourbirthday?Mybirthdayison_______Whenisyour/yourfather’s/yourmother’sbirthday?Mybirthdayison…/It’son…Whenis_________________?It’son_________(thisyear)