小学英语基数词序数词

LOGOUnit7数词什么是数词？•表示数目多少或顺序多少的词叫数词，数词分为基数词和序数词。表示数目多少的数词叫基数词；表示顺序的数词叫序数词。基数词onetwothreefourfivesixseveneightsevensixthreezeroninetwooneeightfourfivenumberssevensixthreezeroninetwooneeightfourfiveNumbersarewidelyused.Hello，86861873---TitleNumbersongLet’ssingasong！Let’scount!•1-10•onetwothreefourfive•sixseveneightnineten11-19eleventwelvethirteenforteenfifteensixteenseventeeneighteennineteenLet’sreviewtenthirtyfortyseventysixtyOnehundredfiftyninetytwentyeighty•one---firsttwo---secondthree---thirdfour---fourthfive---fifthsix---sixthseven---seventheight---eighthnine---ninth•ten----tenth序数词twenty---twentieththirty---thirtiethforty---fortiethfifty---fiftiethsixty---sixtiethseventy---seventietheighty---eightiethninety---ninetiethtenthnintheighthseventhsixthfifthfourththirdsecondfirstordinalnumberstenthnintheighthseventhsixthfifthfourththirdsecondfirst一、二、三，特殊记，加th从4起，八少“t”，九去“e”，“ve”要用“f”替，(five,twelve)见“y”变成“i”和“e”，词尾加上“th”，(twenty,thirty,---ninety)若是遇到几十几，只变个位就可以。ordinalnumbers(序数词)作业•二.把基数词改为序数词。•1.one2.two•3.three4.five•5.nine6.eight•7.twelve8.fourteen•9.twenty10.twenty-one•11.forty-four12.ninety-six1.first2.second3.third4.fifth5.ninth6.eighth7.twelfth8.fourteenth9.twentieth10.twenty-first11.fourty-fourth12.ninth-sixth三、用括号内所给数词的正确形式填空。1.WeareinClass________（3）.2.Wehave________（12）monthsoftheyear.Decemberisthe_____________（12）month.3.Thereare__________(7)ofaweek.4.MybirthdayisDec.________（21）.5.Ihave________（3）books..四、选择题。1.Mygrandmotheris_____old.A.seventiethB.seventyyearC.seventyyearsD.seventies2.Mondayisthesecondday,and________.A.TuesdayisthefourthB.ThursdayisfifthC.theseconddayisTuesdayD.theseconddayisThursday3.Thereare________monthsinayear.Decemberisthe________monthoftheyear.A.twelve;twelveB.twelve;twelfthC.twelfth;twelveD.twelve;twelveth4.What’sthedatetoday?Itis________.A.FridayB.timetogoC.cloudyD.June4th5.Whatisfiveandeight?A.TwelveB.ThirteenC.FourteenD.FifteenLOGO