Unit 4 When is Easter?A Lets learn Ask and answer Lets sing The twelve months Sharp eyes :JuneFebruaryOctoberJulyAprilMaySeptemberNovemberJanuaryDecemberAugustMarchNew Years DayJan.Winter vacationJan. / Feb.Tree Planting DayMar.A:When is _?B:Its in_.Easter Apr.May DayMay.Childrens DayJun.A:When is _?B:Its in_.summer vacationJul. & Aug.Teachers DaySept.Mid-Autumn DaySept.National DayOct.Thanksgiving DayNov.Christmas DayDec.When is your birthday?Its in .Guess :When is Amys birthday?Amys Birthday is on June 1st.Hello! Im Amy. My birthday is on June 1st. I have a party in the music room. Please come! Challenge 1 :Find the music roomfirst floorfirst 1st第一（第一（one的序数词）的序数词）third 3rd第三（第三（three的序数词）的序数词）girlirbirdsecond floor第二（第二（two的序数词）的序数词）second 2ndetenpenthird floorfourth floor第四（第四（four的序数词）的序数词）fourth 4thfifth floorfive fifth fifth 5th第五（第五（five的序数词）的序数词）小组把单词读熟后，组小组把单词读熟后，组员拿着单词卡片，到讲员拿着单词卡片，到讲台上给同学们领读。台上给同学们领读。Small teacherfirstfourthfifthfirstthirdsecondfifthChallenge 2: Ask the questionsQ1: What is April Fools Day?Q2: When is April Fools Day?music room愚人节（愚人节（April Fools Day或或All Fools Day）也称万愚节、幽默节，是西方社会）也称万愚节、幽默节，是西方社会民间传统节日。在欧美一些国家，愚人节民间传统节日。在欧美一些国家，愚人节这一天，人们以多种方式开周围的人的玩这一天，人们以多种方式开周围的人的玩笑，上当者当被告知是愚人节时，才恍然笑，上当者当被告知是愚人节时，才恍然大悟，所以这一天总是能够引出许多笑话。大悟，所以这一天总是能够引出许多笑话。onefirsttwosecondthreethirdfourfourthfivefifthA: When is _?B: Its on _.April 1stApril Fools Daymusic roomWhen is the.?Its on.English testmaths testsinging contestschool tripMiss Chens birthdayPractice: Ask and answer 基数词基数词-序数词序数词-缩写缩写one -first-1st two-second-2nd three-third-3rdfour-fourth-4thfive -fifth-5th序数词的缩写形式是序数词的缩写形式是数字数字+序数词的序数词的最后两个字母最后两个字母。Summary:in & on 的用法in +月份月份例如：例如：in January in February in Aprilon +具体日期具体日期例如：例如：on April 1st on November 2ndSummary:1. Read P39 twice.2. Copy the words eight times.3. Use When is .? to ask your classmate.