序数词 Michelle

序数词ordinalnumber,Letsenjoyapieceofmusicandreviewnumberstogether,TenlittleIndians,数词可分为基数词(cardinalnumbers)和序数词(ordinalnumbers),one,two,three,ten.等表示数目多少的叫基数词，基数词可以用来表示数目、时间、年龄、价格、班级、电话号码、公车等。e.g.Therearefortystudentsinourclass.Wegetupatsixoclock.Iamnineyearsold.Ahamburgeristendollars.IaminClassfourGradethree.telephonenumber204-2244读作twozerofourtwotwofourfourBus(No.)11,Howmany+复数+arethere？“有多少？”,Howmanyclassroomsarethereinyourschool?Twelve.Therearetwelve.Therearetwelveclassroomsinmyschool.Howmanystudentsarethereinyourclass?Howmanyseasonsarethereinayear?,躲炸弹Bombgame,游戏说明：老师将一个数字单词设为炸弹，然后开始单词操练，点到“炸弹”(3的倍数)时学生不能跟读，而应抱头趴在桌上并说Bomb.Areyouready?onetwothreefourfivesixseveneightnineteneleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteentwentytwenty-onetwenty-twotwenty-threetwenty-fourtwenty-fivetwenty-sixtwenty-seventwenty-eighttwenty-ninethirty.,Whatsordinalnumber?什么叫序数词？,表示“第几”顺序的词叫序数词。一般与与之相应的基数词加词尾-th构成。,请将基数词转换成序数词,onetwothreefourfive,sixseveneightnineten,firstsecondthirdfourthfifth,sixthseventheighthninthtenth,eleventwelvethirteenfourteenfifteen,twentythirtytwenty-one,twelfth,twentieth,thirtieth,twenty-first,序数词有时用缩写形式,first-1stsecond-2ndthird-3rdfourth-4th,twenty-first-()forty-third-()fifty-fifth-()sixty-second-(),序数词有时用缩写形式,first-1stsecond-2ndthird-3rdfourth-4th,twenty-first-(21st)forty-third-(43rd)fifty-fifth-(55th)sixty-second-(62nd),基数词序数词序数词缩写,twenty-onetwenty-first21sttwenty-twotwenty-second22ndtwenty-threetwenty-third23rd,twelvetwelfth12thtwentytwentieth20th,thirtythirtieth30th,fivefifth5theighteighth8thnineninth9th,onefirst1sttwosecond2ndthreethird3rd,基数词和序数词对照，你能看出什么规律吗？,一、二、三，特殊记,词尾字t,d,d；th要从四加起；六、七同四守规律;八少t,九去e；f来把ve替,ty变成tie;若是遇到几十几，只变个位就可以。,基数词变序数词的规律是：,Writetherightformofthewords.写出下列单词的正确形式.,1.twelve(序数词)_2.thirteen(序数词)_3.ninth(基数词)_4.eighteenth(基数词)_5.second(基数词)_6.three(序数词)_7.fifth(基数词)_8.one(序数词)_9.nineteen(序数词)_10.twenty-four(序数词)_11.thirty(序数词)_12.forty-second(基数词)_13.fiftieth(基数词)_14.thirty-one(序数词)_15.twenty(序数词)_16.twenty-three(序数词)_,Checkanswers.,1.twelve(序数词)(twelfth)2.thirteen(序数词)(thirteenth)3.ninth(基数词)(nine)4.eighteenth(基数词)(eighteen)5.second(基数词)(two)6.three(序数词)(third)7.fifth(基数词)(five)8.one(序数词)(first)9.nineteen(序数词)(nineteenth)10.twenty-four(序数词)(twenty-fourth)11.thirty(序数词)(thirtieth)12.forty-second(基数词)(forty-two)13.fiftieth(基数词)(fifty)14.thirty-one(序数词)(thirty-first)15.twenty(序数词)(twentieth)16.twenty-three(序数词)(twenty-third),4.百、千、万的序数词由hundred、thousand、million等加-th，前面加相关的基数词构成。,onehundredthtwothousandththreemillionth,Attention：序数词hundred、thousand、million、billion之前的“一”只能用one，不可用a.,序数词在生活中的应用,序数词的用法如下：A表示次序，即第几egSamisthesecondintheexam(考试)Therearefourseasons,thefirstseasonisSpring.B表示日期egJunethefirst/thefirstofJuneisChildrensDay,Finishthesentences看图完成句子,3/FMark2/FCindy1/FTomG/FJanegroundfloor/firstfloor/secondfloor/thirdfloor(1)Markisonthe_(2)Cindyisonthe_(3)Janeisonthe_(4)Tomisonthe_,表示第几层楼用序数词,Checkanswers.,3/FMark2/FCindy1/FTomG/FJanegroundfloor/firstfloor/secondfloor/thirdfloor(1)Markisonthethirdfloor(2)Cindyisonthesecondfloor.(3)Janeisonthegroundfloor(4)Tomisonthefirstfloor,表示第几层楼用序数词,1c.Pairwork,Whenisyourbirthday,Mary?,MybirthdayisJanuaryfifteenth.,November,22,写作：November22nd/November22读作：Novemberthetwenty-second,比一比Canyousayoutthedates?,2d.Pairwork,9.15,Cindy:Whenisyourbirthday，Kimi?Kimi:MybirthdayisSeptember15th.,A:Whenisherbirthday?B:HerbirthdayisDecember30th.,A:WhenisJimmyLinsbirthday?B:HisbirthdayisOctober15th.,A:Howoldishe?B:Heis40.,JimmyLin,afamoussingerandracedriver.Born:October15,1974Age:40,序数词,基数词,WhenisNewYearsDay(元旦)?ItsJanuary1st.,WhenisChildrensDay(儿童节)?ItsJune1st.,WhenisTeachersDay(教师节)?ItsSeptember10th.,WhenisNationalDay(国庆节)?ItsOctober1st.,Practicewithyourpartner.,WhenisTreePlantingDay(植树节)?ItsMarch12th.WhenisAprilFoolsDay(愚人节)?ItsApril1st.WhenisChristmasDay(圣诞节)?ItsDecember25th.,Practice,Practiceagain.Useyourownname,ageanddateofbirth.,A:Whenisyourbirthday,Jackie?B:MybirthdayisMarch1st.A:Howoldareyou?B:Imfifteen.,Circlethecorrectanswers选择填空.,(1)Thereare_studentsinmyclassA、fourtyB、fortyC、fourthD、fortieth(2)KiKiisinClass_Grade_A、Second;ThirdB、Second;ThreeC、Two;ThreeD、Two;Third(3)Motherwillcometopickmeupat_A、fifthB、fiveC、fivethD、thefifth(4)Thereare_monthsinayearandDecemberisthe_month.A、twelve;twelfthB、twelfth;twelveC、twelveth;twelveD、twelfth;twelfth(5)Sundayisthe_dayinaweekA、sevenB、firstC、oneD、two,Checkanswers.,(1)Thereare_B_studentsinmyclassA、fourtyB、fortyC、fourthD、fortieth(2)KiKiisinClass_C_Grade_A、Second;ThirdB、Second;ThreeC、Two;ThreeD、Two;Third(3)Motherwillcometopickmeupat_B_A、fifthB、fiveC、fivethD、thefifth(4)Thereare_A_monthsinayearandDecemberisthe_month.A、twelve;twelfthB、twelfth;twelveC、twelveth;twelveD、twelfth;twelfth(5)Sundayisthe_B_dayinaweekA、sevenB、firstC、oneD、two,Lookatthechartandanswerthequestions看下表完成句子,4/FLibrary3/FArtroom2/FTeacher1/FChildrenG/FCanteen(小卖部)1、Whereisthelibrary？Itisonthe_2、Whereisthecanteen？_3、Whereistheartroom？_4、Whereistheteacher？_5、Wherearethechildren？_6、Howmanyfloorsarethere？_,Checkanswers.,4/FLibrary3/FArtroom2/FTeacher1/FChildrenG/FCanteen(小卖部)1、Whereisthelibrary？2、Whereisthecanteen？Itisonthefourthfloor.Itisonthegroundfloor.3、Whereistheartroom？4、Whereistheteacher？Itisonthethirdfloor.Itisonthesecondfloor.5、Wherearethechildren？6、Howmanyfloorsarethere？Theyareonthefirstfloor.Therearefivefloors.,1、Writetheotherformsofthenumbers写出下列数字的序数词形式e.g.sevenseventh(1)one_(2)two_(3)three_(4)four_(5)five_(6)six_(7)twenty_(8)twenty-one_2、Circlethecorrectwords圈出正确的单词.(1)Thereare(fifteenth/fifteen)studentsinourclass(2)Canyouseethe(three/third)bookfromtheleft？(3)The(seventh/seven)studentisPaul(4)Icansee(twentieth/twenty)carsontheroad,(5)The(first/one)boyinthelineisverysh