1、,人教版(三年级起点)五年级下册,Part B Lets learnLook and write,Unit 4 When is Easter?,Lets learn 视频, Lets learn, Look and write,Ask and answer,Warm-up/Revision,When is birthday?,Its ,Lets answer,When is Sarahs birthday?,It is_,Lets answer,When is Zhang Pengs birthday?,It is_,Presentation,Lets read,Its on April_.,
2、Look,ask and answer,When is April Fools Day?,1st,Its on May_.,Look,ask and answer,When is the singing contest ?,twelfth/12th,twelfth (序数词)第十二(的),简写：12th,Its on June_.,Look,ask and answer,When is your mothers birthday?,twentieth/20th,twentieth /twenti/(序数词) 第二十(的),简写：20th,Its on December_.,Look,ask a
3、nd answer,When is the maths test?,thirtieth/30th,thirtieth / ti/(序数词)第三十(的),简写：30th,Its on November_.,Look,ask and answer,When is your grandpas birthday?,twenty-third/23rd,twenty-third /twentid/(序数词) 第二十三(的),简写：23rd,Its on April_.,Look,ask and answer,When is the English test?,twenty-first/21st,twent
4、y-first /twentifst/ (序数词)第二十一(的),简写: 21st,Lets learn,点击“Lets learn”，跟我一起读吧！,视 频,Lets learn,August 21st,My birthday,When is,Its on ,Look and write,1st,31st,特殊变化的 onefirst(1st) twosecond(2nd) threethird(3rd) fivefifth(5th) eighteighth(8th) nineninth(9th) twelvetwelfth,基数词变序数词规律（1-100),规律变化的（一） 十几的数，都是
5、在基数词后加th。如：fifteenfifteenth(15th)几十几的都是只变个位数。如：thirtyfourthirty-fourth(34th),基数词变序数词规律（1-100),规律变化的（二） 以y结尾的整十数都是把基数词的y变为ieth. 如：thirtythirtieth(30th) 100-one hundredone hundredth(100th),Test,一、写出下列数字的序数词,one_ two _ three _ four _ five _ twelve _ twenty _ twenty-six _ thirty _ twenty-one _,first,sec
6、ond,third,fourth,fifth,twelfth,twentieth,twenty-sixth,thirtieth,twenty-first,二、按要求改写句子。,1. My grandmas birthday is on April 20th .(对画线部分提问)_,2. My dads birthday is on Nevember 30th.(对画线部分提问)_,3. My birthday is on Angust 21st.(对画线部分提问)_,When is your grandmas birthday?,When is your dads birthday?,When is your birthday?,重点词汇,twelfth 第十二,twentieth 第二十,thirtieth 第三十,twenty-third 第二十三,twenty-first 第二十一,Sum-up,和同伴一起问各自家人的 生日。,Homework,Thank you!,
