PEP小学英语五年级下册第三单元mybirthday第四课时课件.ppt

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1、Part B：Lets learn Pair work January Jan.一月一月February Feb.二月二月 March Mar.三月三月April Apr.四月四月 May 五月五月June 六月六月July 七月七月August Aug.八月八月September Sept.九月九月 October Oct.十月十月November Nov.十一十一 月月December Dec.十二月十二月Lets revise the twelve months together.一起来复习十二个月份的单词一起来复习十二个月份的单词序数词学习序数词学习 表示次序的数词叫序数词，是表示次序

2、的数词叫序数词，是由基数词变化而来的。由基数词变化而来的。1 one-first2 two-second3 three-third 4 four-fourth 其余的序数词是由基其余的序数词是由基数词后加数词后加-th 变化而变化而来。来。12345891220基数词基数词序数词序数词first 第一second 第二 third 第三fourth 第四fifth 第五eighth 第八ninth 第九twelfth 第十二twentieth 第二十缩写形式缩写形式1st 2nd 3rd 4th 5th 8th 9th 12th 20thonetwothreefourfiveeightnine

3、twelvetwenty基数词变为序数词的口诀：基数词变为序数词的口诀：基变序，有规律，词尾加上基变序，有规律，词尾加上 thth ；一、二、三，特殊记，词尾字母一、二、三，特殊记，词尾字母 t t,d d,d d;八减八减 t t,九减九减 e e,f f 来把来把 veve 替；替；单词单词 tyty 作结尾，作结尾，tyty 变成变成 tietie;若是碰到几十几，只变个位就可以。若是碰到几十几，只变个位就可以。如如:first second third它们没有规律就得单独记，它们没有规律就得单独记，eight减掉减掉t 变成变成eighth,nine减掉减掉e变成变成ninth。遇到有

4、遇到有ve结尾的，就要把结尾的，就要把ve替换成替换成f，如如five变成变成fifth,twelve变成变成twelfth。twenty变成变成twentieth,如果遇到如果遇到几十几的数字，只变个位数就可以，例如几十几的数字，只变个位数就可以，例如21，twenty-one 就要变成就要变成twenty-first基数词基数词 6 six 7 seven 10 ten 11 eleven 12 twelve 13 thirteen 15 fifteen 20 twenty 21 twenty-one 25 twenty-five 30 thirty sixth seventh tenth

5、 eleventh twelfth thirteenth fifteenth twentieth twenty-first twenty-fifth thirtieth 序数词序数词When is your birthday?Its October 1st,our National Day.When is your Independence Day?Its July 4th.你的生日是什么时候?10月1日,我们的国庆节.你们的独立日是什么时候?7月4日Pair work:National DayWomens DayArmy DayChildrens DayTeachers DayNew Yea

6、rs Day国庆节国庆节 妇女节妇女节建军节建军节儿童节儿童节教师节教师节元旦元旦/新年新年October 1st 10.1March 8th 3.8August 1st 8.1June 1st 6.1September 10th 9.10January 1st 1.1日期的表达日期的表达 dateWhats the date today?Its April 18th.Dialogue:1A:When is National Day/Teachers Day?B:Its October 1st/Dialogue 1:A:What day is it?B:Its Teachers Day.A:W

7、hen is Teachers Day?B:Its September 10th.Practice:Look at the pictures and make your own dialogue.看图做对话。看图做对话。National Day October 1stChildrens Day June 1stNew Years Day January 1stTeachers Day September 10thArmy Day August 1stWomens Day March 8thpictures:1.制作自己的日历卡。制作自己的日历卡。a为你的父母和朋友找出重要的日期，别忘了把假为你的父母和朋友找出重要的日期，别忘了把假期和节日写进去。期和节日写进去。b做一个对话。做一个对话。列如：列如：A:When is your birthday/Teachers Day?B:Its 2.背诵背诵120的序数词并抄写其简写形式。的序数词并抄写其简写形式。Homework: