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LOGO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---Let’scount!•1-10•onetwothreefourfive•sixseveneightnineten11-19eleventwelvethirteenforteenfifteensixteenseventeeneighteennineteen•1one[w^n]2two:[tu:]3three:[θri:]•4four:[fo:]5five:[faiv]6six:[siks]•7seven:['seven]8eight:[eit]•9nine:[nain]10ten:[ten]•11eleven:[i'leven]12twelve:[twelv]•13thirteen:['θə:'ti:n]14fourteen:['fo:'ti:n]•15fifteen:['fif'ti:n]16sixteen:['siks'ti:n]•17seventeen:['seven'ti:n]•18eighteen:['ei'ti:n]•19nineteen['nain'ti:n]•20twenty:['twenti]Let’sreviewtenthirtyfortyseventysixtyOnehundredfiftyninetytwentyeighty•30thirty['θe:ti]•40forty['fo:ti]•50fifty['fifti]•60sixty['siks'ti]•70seventy['seven'ti]•80eighty['ei'ti]•90ninety['nainti]•100onehundred['handred]•1000onethousand['θauzənd]•1000000onemillion:['miljən]•10000000000nebillion:['biljən]Dragon•1-1001324LookandRead100onehundred1,000onethousand1,000,000onemillion1,000,000,000onebillion1002,00030,000400,0005,000,00060,000,000700,000,0008,000,000,00090,000,000,000100,000,000,000Canyoureadthem?hundredthousandmillionbilliononehundredonethousandtenthousandonehundredthousandonemilliontenmilliononehundredmilliononebilliontenbilliononehundredbilliontens/hundreds/thousands/millionsof一百一千一万十万一百万一千万一亿十亿一百亿一千亿数十/百/千/百万看谁译得快：,Step1:onehundredandtwenty-threebillion,Step2:fourhundredandfifty-sixmillion,Step3:sevenhundredandeighty-ninethousand,Step4:onehundredandthree103789456123,,625sixhundredandtwenty-five8,961eightthousand,ninehundredandsixty-one95,680ninety-fivethousand,sixhundredandeightyLookandPracticeLookandPractice6,302,876sixmillion,threehundredandtwothousand,eightyhundredandseventy-six45,690,510,810forty-fivebillion,sixhundredandninetymillion,fivehundredandtenthousand,eighthundredandten8391Whatisthelargest/smallest4-digitnumber?98311389Let’sdoapractice!facetofacenumbertonumber•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)Canyouwritetheirordinalnumbers?254412918721910190401481001000•Decemberisthe________monthoftheyear.•Mondayisthe_______dayoftheweek.•Englishisspokenbymostpeopleastheir_______languageintheUSA,GreatBritain,Australian,andCanada.•TheGamesofthe_____________Olympicin2008willbeheldinthecityofBeijing.•I’mhungry.I’veeatenthreeapples.Wouldyoupleasegivemea_______one?•Atthebeginningofthe_____________centurytheworld’spopulationhaspassed6billion.•Hegotoffthisbusandgotona______one.twelfthsecondfirsttwenty-ninthfourthtwenty-firstsecondPractice:作业•一翻译下列数字的基数词。•11011001252052005335353•二写出下列数字的序数词。•1218204756738590101LOGO