小学英语基数词序数词课件

数词数词1什么是数词？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。

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2基数词onetwothreefourfivesixseveneight基数词onetwothreefourfivesixseven3sevensixthreezeroninetwooneeightfourfivesevensixthreezeroninetwooneeig4numberssevensixthreezeroninetwooneeightfourfivenumberssevensixthreezeroninetw5Numbersarewidelyused.

Hello，86861873---Numbersarewidelyused.Hello6TitleNumbersongLet’ssingasong！TitleNumbersongLet’ssingas7Let’scount!1-10onetwothreefourfivesixseveneightnineten11-19eleven

twelvethirteen

forteenfifteensixteen

seventeeneighteennineteenLet’scount!1-108Let’sreview102030405060708090100tenthirtyfortyseventysixtyOnehundredfiftyninetytwentyeightyLet’sreview102030405060708099Dragon1-100Dragon1-100101324LookandRead100onehundred1,000onethousand1,000,000onemillion1,000,000,000onebillion1324LookandRead1001,011100

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

millionbillion100

Canyourea12one

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：one

hundred一百

13,Step1:onehundredandtwenty-three

billion,Step2:fourhundredandfifty-six

million,Step3:sevenhundredandeighty-nine

thousand,Step4:onehundredandthree103789456123,,,Step1:onehundredandtwenty-14625sixhundredandtwenty-five8,961eightthousand,ninehundredandsixty-one95,680ninety-fivethousand,sixhundredandeightyLookandPractice625LookandPractice15LookandPractice

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

45,690,510,810forty-fivebillion,sixhundredandninetymillion,fivehundredandtenthousand,eighthundredandtenLookandPractice6,302,876168391Whatisthelargest/smallest4-digitnumber?983113898391Whatisthelargest/smal17Let’sdoapractice!facetofacenumbertonumberLet’sdoapractice!face18one---firsttwo---secondthree---thirdfour---fourthfive---fifthsix---sixthseven---seventheight---eighthnine---ninthten----tenth序数词one---firsttwo---secondthree-19twenty---twentieththirty---thirtiethforty---fortiethfifty---fiftiethsixty---sixtiethseventy---seventietheighty---eightiethninety---ninetiethtwenty---twentieththirty---thi20tenthnintheighthseventhsixthfifthfourththirdsecondfirsttenthnintheighthseventhsixthf21ordinalnumberstenthnintheighthseventhsixthfifthfourththirdsecondfirstordinaltenthnintheighthsevent22一、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)一、二、三，特殊记，23Canyouwritetheirordinalnumbers?254412918721910190401481001000Canyouwritetheirordinalnu24Decemberisthe________monthoftheyear.Mondayisthe_______dayoftheweek.Englishisspokenbymostpeopleastheir_______languageintheUSA,GreatBritain,Australian,andCanada.TheGamesofthe_____________Olympicin2008willbeheldinthecityofBeijing.I’mhungry.I’veeatenthreeapples.Wouldyoupleasegivemea_______one?Atthebeginningofthe_____________centurytheworld