五年级下Unit4-基数词和序数词

基数词&序数词九龙坡区火炬小学钟明火眼金睛：快速说出你看到的数字Great！基数词—数量序数词—顺序{人数个数时间…日期楼层名次…{Therearefivepeopleinmyfamily.Ihavesixpens.It’snineo’clock.TodayisApril24th.Theteacher’sofficeisonthethirdfloor.Sheisthefirstinherclass.数词{数字基数词onetwothreefourfive序数词firstsecondthirdfourthfifth序数词缩写1st2nd3rd4th5th数字基数词sixseveneightnineten序数词sixthseventheighthninthtenth序数词缩写6th7th8th9th10th数字基数词onetwothreefourfive序数词firstsecondthirdfourthfifth序数词缩写1st2nd3rd4th5th序数词的缩写：阿拉伯数字+序数词的最后两个字母基数词变序数词的变化规则1.基变序，有规律词尾加上thfourthseventh2.一、二、三，全变体onefirsttwosecondthreethird3.八去t,九去eeightthnineth4.ve要用f替fivefthtwelvefth5.以y结尾变ietwentyieth6.遇到几十几，只变个位就可以thirty-onefirstforty-seventh基数词变序数词的口诀基变序，有规律词尾加上th，(fourth,sixth)一、二、三，全变体(first,second,third)八去t，九去e(eighth,ninth)ve要用f替(fifth,twelfth)以y结尾变ie(twenty----twentieth)遇到几十几,只变个位就可以(twenty-four----twenty-fourth)一、说出下列数字对应的序数词thirty-fourthsecondfifthninthtwentiethExercises:twenty-thirdfirstthirdeighthtwelfth二、用所给词的适当形式填空1.Isee______horsesinthepicture.(ten)2.MybirthdayisonJuly______.(two)3.Mother'sDayisonthe______SundayinMay.(two)4.Itis______o'clock.(three)5.Thereare______peopleinhisfamily.(eight)ten2ndsecondthreeeightThankyou!