Unit4WhenisEaster?ALet’slearnAskandanswer基数词序数词onefirsttwosecondthreethirdfourfourthfivefifth缩写1st2nd3rd4th5thJun.1stJan.1stMay1stOct.1stNewYear’sDayMayDayChildren’sDayNationalDayJan.2ndMar.2ndAug.2ndDec.2ndFeb.3rdNov.3rdJul.3rdJun.3rdApril4thSportsmeetWhenisthesportsmeet?It’sonApril4th.April4thSportsmeetApril5thEasterApril1stAprilFool’sDay序数词口诀:一、二、三,特殊记,词尾各是tdd,th,四加起,八去t,九去e,y结尾改ie,ve结尾变f,five,twelve是两兄弟,若是遇到几十几,只变各位就可以。Homework1.根据序数词口诀,小组内讨论出6到10的序数词。2.Askandknow.Whenisyourfather’s/mother’sbirthday?了解一下你父母的生日。