基数词和序数词用法

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。

第一页，共27页。基数词onetwothreefourfivesixseveneight第二页，共27页。sevensixthreezeroninetwooneeightfourfive第三页，共27页。numberssevensixthreezeroninetwooneeightfourfive第四页，共27页。Numbersarewidelyused.

Hello，86861873---第五页，共27页。Let’scount!1-10onetwothreefourfivesixseveneightnineten11-19eleven

twelvethirteen

forteenfifteensixteen

seventeeneighteennineteen第六页，共27页。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]

第七页，共27页。Let’sreview102030405060708090100tenthirtyfortyseventysixtyOnehundredfiftyninetytwentyeighty第八页，共27页。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]第九页，共27页。Dragon1-100第十页，共27页。1324LookandRead100onehundred1,000onethousand1,000,000onemillion1,000,000,000onebillion第十一页，共27页。100

2,000

30,000

400,000

5,000,000

60,000,000

700,000,000

8,000,000,000

90,000,000,000

100,000,000,000

Canyoureadthem?hundred

thousand

millionbillion第十二页，共27页。one

hundredone

thousandten

thousandone

hundred

thousandone

millionten

millionone

hundred

million

one

billionten

billionone

hundred

billiontens/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：第十三页，共27页。,Step1:onehundredandtwenty-three

billion,Step2:fourhundredandfifty-six

million,Step3:sevenhundredandeighty-nine

thousand,Step4:onehundredandthree103789456123,,第十四页，共27页。625sixhundredandtwenty-five8,961eightthousand,ninehundredandsixty-one95,680ninety-fivethousand,sixhundredandeightyLookandPractice第十五页，共27页。LookandPractice

6,302,876sixmillion,threehundredandtwothousand,eightyhundredandseventy-six

45,690,510,810forty-fivebillion,sixhundredandninetymillion,fivehundredandtenthousand,eighthundredandten第十六页，共27页。8391Whatisthelargest/smallest4-digitnumber?98311389第十七页，共27页。Let’sdoapractice!facetofacenumbertonumber第十八页，共27页。one---firsttwo---secondthree---thirdfour---fourthfive---fifthsix---sixthseven---seventheight---eighthnine---ninthten----tenth序数词第十九页，共27页。twenty---twentieththirty---thirtiethforty---fortiethfifty---fiftiethsixty---sixtiethseventy---seventietheighty---eightiethninety---ninetieth第二十页，共27页。tenthnintheighthseventhsixthfifthfourththirdsecondfirst第二十一页，共27页。ordinalnumberstenthnintheighthseventhsixthfifthfourththirdsecondfirst第二十二页，共27页。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)第二十三页，共27页。Canyouwritetheirordinalnumbers?254412918721910190401481001000第二十四页，共27页。Decemberisthe________monthoftheyear.Mondayisthe_______dayoftheweek.Englishisspokenbymostpeopleastheir_______languageintheUSA,GreatBritain,Australian,andCanada.TheGamesofthe_____________Olympicin2008willbeheldinthecityofBeijing.I’mhungry.I’veeatenthreeapples.Wouldyoupleasegivemea_______one?Atthebeginningofthe_____________centurytheworld’spopulationhaspassed6billion.Hegotoffthisbusandgotona______o