五年级下unit3B序数词巧计法VIP免费

UnitThreeMybirthdayJan.Feb.Mar.Apr.MayJuneJulyAug.Sept.Oct.Nov.Dec.ANewFlatfirstsecondthirdfourthfifthsixthseventheighthninthtentheleventhtwelfthWhereisYaoMing’shome?It’sonthetwentiethfloor.基数词序数词序数词缩写onefirst1sttwosecond2ndthreethird3rdfourfourth4thsixsixth6thfivefifth5thtwelvetwelfth12theighteighth8thnineninth9thtwentytwentieth20ththirtythirtieth30th基数词变序数词的特点第一、二、三变单词。一般是在基数词的末尾加th.第五、十二序数词是把基数词末尾ve改为f再加th。第八、九序数词是把基数词最后一个字母去掉再加th。整十的序数词是把基数词末尾ty改为tie再加th。壹二三变单词,th从四上起.怎么加？真好记!八减t，九减ef要把ve替，ty变为tie。ChristmasDayDecember25thChildren’sDayJune1stMarch12thUnit3复习课练习题一、Readandmatch。（读一读，连一连。）twentiethApr.seventeenth12thfirstSept.November3rdApril20ththird17thSeptember1sttwelfthNov.Putthewordinrightorder.(连词成句)1.is,when,birthday,your,brother’s(?)2.uncle’s,my,in,is,July,birthday(.)3.date,is,what,the(?)4.is,December12th,birthday,ZhangPeng’s(?)Whenisyourbrother’sbirthday?Myuncle’sbirthdayisinJuly.Whatisthedate?Iszhangpeng’sbirthdayDecember?三、Readandanswer（读短文，回答问题。）Hello!I’mMike.Ihaveabigfamily.Thereareninepeopleinmyfamily.Theyaremyparents,mygrandparents,mybrother,mysister,myuncle,myauntandme.I’m12yearsold.MybirthdayisinMay.Myfatherandmysister’sbirthdayareinMay,too.Mymother’sbirthdayisinAugust.Mybrother’sbirthdayisinSeptember.Myuncle’sbirthdayisinJuly.Myaunt’sbirthdayisinJuly,too.Becausetheyaretwins.Mygrandma’sbirthdayisinDecember.Mygrandpa’sbirthdayisinNovember.Wehaveaveryhappyfamily.Ilovemyfamilyverymuch.•1.WhenisMike’sbirthday?Mike’sbirthdayisinMay.•2.Howmanybirthdaysinmyfamily?Two.•3.DoMike’sauntandunclehaveasame(一样)birthday?Yes.•4.IsMike’sbrother’sbirthdayinAugust?No,itisn’t.It’sinSeptember.Dec.25thNov.Oct.1stSept.10thAug.1stJulyJune1stMay1stApr.Mar.12thFeb.17thJan.1st2nd