2024年中考英語(yǔ)復(fù)習(xí)數(shù)詞Numeral課件

Numeral

數(shù)詞Lesson4NumeralCONTENTS目錄01基數(shù)詞02序數(shù)詞03數(shù)詞的用法一、基數(shù)詞1、基數(shù)詞概念：2、基數(shù)詞的構(gòu)成（了解即可）：1）1－12,獨(dú)立成詞。onetwothreefourfivesixseveneightnineteneleventwelve2）13--19,由3－9+teen構(gòu)成。14–fourteen特殊拼寫(xiě):13–thirteen15--fifteen18—eighteen3）21－99(兩位數(shù))十位與個(gè)位之間有“－”。21twenty-one55fifty-five99ninety-nine表示數(shù)目多少的數(shù)詞.一、基數(shù)詞4）20－90,以-ty結(jié)尾。

60---sixty特殊拼寫(xiě):20---twenty30---thirty40---forty50---fifty80---eighty5）百—hundred

千—thousand

百萬(wàn)—million

十億—billion6)101－999,三位數(shù),百位與十位/個(gè)位之間加and，十位和個(gè)位用“-”連接。101onehundredandone

840eighthundredandforty7)1,000以上數(shù)目,從右向左每三位用“，”分開(kāi),分別讀為thousand,million,billion一、基數(shù)詞基數(shù)詞，不難記，找出規(guī)律很容易零至十二形各異，一個(gè)一個(gè)單獨(dú)記。后加-teen為“十幾”thirteen,fifteen看仔細(xì)，eighteen只有一個(gè)t.表示“幾十”要加-ty,twenty,thirty是例外，forty,fifty更厲害，和eighty一樣搞例外。表示數(shù)字“幾十幾”，連著符號(hào)要切記。若要表示“幾百幾”，and常把百、十系。還有一點(diǎn)要注意，幾百后別把-s立?；鶖?shù)詞構(gòu)成規(guī)律二、序數(shù)詞1、序數(shù)詞的概念：2、序數(shù)詞的構(gòu)成（了解即可）：1）1－3,獨(dú)立成句first,second,third2）4－19,相應(yīng)基數(shù)詞+th,

fourth特殊拼寫(xiě):fifth,eighth,ninth,twelfth3)序數(shù)詞縮寫(xiě)——數(shù)字＋最后兩字母如:1st,2nd,3rd,4th…4)20－90,y變成ie+th,如:twentieth5)21－99,只把個(gè)位的基數(shù)詞變成序數(shù)詞如:twenty-first表示順序次序的數(shù)詞.二、序數(shù)詞基變序，有規(guī)律一二三，特殊記，加th從4起，八去“t”，九去“e”，“ve”要用“f”替，見(jiàn)“y”變成“i”和“e”，詞尾加上“th”，若是遇到幾十幾，只變個(gè)位就可以。序數(shù)詞縮寫(xiě)記清楚，數(shù)字后跟兩字母。序數(shù)詞構(gòu)成規(guī)律Attention!(1)序數(shù)詞作定語(yǔ),前面要加the;（表示第幾）Johnlivesonthefifteenthfloor.如果序數(shù)詞前已經(jīng)有物主代詞或名詞所有格時(shí),不可再加定冠詞the.It’sMonday,andit’smyfifteenthbirthday.IsitLily’sfifteenthbirthday,too?(2)有時(shí)加a/an,“再一”,“又一”的意思

We’llhavetodoitasecondtime.三、數(shù)詞的用法1、hundred，thousand，million，billion的特殊用法:①前面有具體數(shù)目,hundred,thousand,million,billion不用加s和of；

800(eighthundred)，3,000(threethousand)②表示不確定數(shù)目,加s加of.

hundredsof

(數(shù)百)thousandsof

(數(shù)千)millionsof

(數(shù)百萬(wàn))+名詞復(fù)數(shù)③可以用many/several/afew修飾，severalhundredtourists.口訣：具體數(shù)字直接加，不確定時(shí)，有s有of三、數(shù)詞的用法2、時(shí)刻讀法：表示方法例子整點(diǎn)整點(diǎn)時(shí)間，基數(shù)詞+o’clock7順讀時(shí)＋分（幾點(diǎn)幾分）7:30特殊讀法15分鐘：30分鐘：2:30逆讀

當(dāng)分鐘＜30時(shí)用past（過(guò)）即“分鐘＋past＋鐘點(diǎn)數(shù)”7:20當(dāng)分鐘＞30時(shí),用to（差）即“(60－分鐘)＋（鐘點(diǎn)數(shù)＋1）”6:40當(dāng)分鐘等于30時(shí),用“halfpast＋鐘點(diǎn)數(shù)’’7:30seveno’clockseventhirtyaquarterahalftwoandahalfhours=twohoursandahalftwentypastseventwentytosevenhalfpastseven三、數(shù)詞的用法3、課外小知識(shí)（了解即可）：October1st,1999(日用縮寫(xiě),月-日-年)October1,1999(日用數(shù)字)/1stOctober,1999日-月-年房間號(hào)碼和電話號(hào)碼要一個(gè)一個(gè)分別讀Classroom312 ClassFour,GradeSix（先班級(jí)后年級(jí)，開(kāi)頭記得都大寫(xiě)）Room3=thethirdroom Unit9=theninthunit三、數(shù)詞的用法4、小數(shù)的用法：3.14159265、百分?jǐn)?shù)的用法：15％: 120％:point點(diǎn)threepointonefouronefiveninetwosixpercent

(百分之……)fifteenpercent onehundredandtwentypercent三、數(shù)詞的用法6、分?jǐn)?shù)的寫(xiě)法：1/2:

1/4:

1/3:2/3:

3/5:7、“幾十”的復(fù)數(shù)形式：①幾十多歲——（分子為基數(shù)詞，分母為序數(shù)詞）ahalf/onesecondaquarter/onefourthonethirdtwothirdsthreefifths口訣：子基母序,分子＞1,分母就要加S

in+one's+整基數(shù)詞的復(fù)數(shù)形式（twenties,thirties,forties...）eg：

Hediedinhisforties.三、數(shù)詞的用法②年代——③④in+the+

基數(shù)詞復(fù)數(shù)inthenineties

90年代

在20世紀(jì)30年代:inthe1930s“基數(shù)詞+名詞”的合成形容詞作定語(yǔ),中間有連字符“-”,當(dāng)中的名詞用單數(shù)。

Eg：a3-year-oldgirl =athreeyearsoldgirl表計(jì)量——“基數(shù)詞+度量單位+形容詞” eg.Theclassroomis7meterslong,6meterswide.三、數(shù)詞的用法8、加減乘除表達(dá)（了解即可）：加plus,and或add2+3=5Twoplusthreeisfive. Twoandthreeisequaltofive.Twoandthreemakesfive. Ifweaddtwoto/andthree,wegetfive.減minus/substract10-6=4Tenminussixisfour.乘times(介詞)或multiply3×4=12Threetimesfouristwelve.Multiplythreebyfour,wegettwelve.Threemultipliedbyfourmakestwelve.除divide的過(guò)去分詞形式16÷4=4Dividesixteenbyfour,wegetfour.Sixteendividedbyfourisequals/gives/makesfour.Exercise一、單項(xiàng)選擇：1、Wegaveawaysix______bookstotheschoollibrarylastyear.

A．hundreds

B．hundred C．hundredsof

D．hundredof2、Couldyoutellushowtoreadthenumber18,306,211?A.Eighteenmillion,

threehundredandsixthousands,

twohundredeleven.B.Eighteenmillion,

threehundredandsixthousand,

twohundredandeleven.C.Eighteenmillions,

threehundredsixthousand,

twohundredsandeleven.√√Exercise3、About____oftheworkersinthefactorywereborninthe______.

A．twofifths;1980

B．twofifths;1980s

C．secondfive;1980s

D．two-fifth;1980s4、Thenumberofthestudentsinourgrade________about________,andthree________ofthestudentsinourschoolaregirls.

A．a(chǎn)re;sixhundreds;fifths

B．is;sixhundred;fifths

C．is;sixhundred;five

D．a(chǎn)re;sixhundreds;five5、Theheroofthestoryisanartistinhis________.

A．thirtieth

B．thirty C．thirty's

D．thirties√√√Exercise6、TheEiffelTowerinParisisabout_______.

A.320-meter-tall B.320-metertall

C.320metertall D.320meterstall7、Thissongwasverypopular______.

A.in1990's B.inthe1990s C.inthe1990s'

D.atthe1990s8、—What’sthetime?

—It’s________.

A．a(chǎn)quarterpastnine

B．fifteentonine

C．fifteenpasteight√√√Exercise9、—Susan,howmanywomenteachersarethereinyourschool?

—Inourschool,_______oftheteachers_______womenteachers.

A．thirdfourth;are

B．thirdfourth;is

C．threefourths;is

D．threefourths;are10、JennywillcometoChinafor_____timenextmon