小升初數(shù)詞（講義）譯林版英語六年級(jí)下冊(cè)

數(shù)詞考查重點(diǎn)：1.

基數(shù)詞；2.

序數(shù)詞；3.

分?jǐn)?shù)。數(shù)詞的分類：數(shù)詞分為基數(shù)詞和序數(shù)詞?；鶖?shù)詞表示數(shù)目的多少。序數(shù)詞表示事物的先后順序，往往與定冠詞the連用?？枷蛞唬夯鶖?shù)詞的構(gòu)成(1)0—12單獨(dú)記。如：

zero,one,two,three等。(2)13—19的詞尾都是teen。如：fourteen,seventeen等，但13—thirteen，15—fifteen，18—eighteen需要特殊記。(3)20以上的整十的基數(shù)詞均以ty結(jié)尾。20—twenty，30—thirty，40—forty，50—fifty，80—eighty等。(4)＂幾十幾＂要加連字符號(hào)＂-＂。48—forty-eight,97—ninety-seven等。(5)＂幾百幾十＂或者＂幾百幾十幾＂在＂百＂后加and。156—onehundredandfifty-six,509—fivehundredandnine。(6)四位數(shù)或者四位數(shù)以上的基數(shù)詞的拼寫規(guī)律：用逗號(hào)從右往左每三位加一個(gè)逗號(hào)，第一個(gè)逗號(hào)讀作thousand(千)，第二個(gè)逗號(hào)讀作million(百萬)，第三個(gè)逗號(hào)讀作billion(十億)，hundred后莫忘＂and＂。3,610＝threethousandsixhundredandten；94,295＝ninety-fourthousandtwohundredandninety-five；考向二：序數(shù)詞的構(gòu)成first1stsecond2ndthird3rdfourth4thfifth5thsixth6thseventh7theighth8thninth9thtenth10theleventh11thtwelfth12ththirteenth13thfourteenth14thfifteenth15thsixteenth16thseventeenth17theighteenth18thnineteenth19thtwentieth20thtwenty-first21sttwenty-second22ndthirtieth30thfortieth40thfiftieth50thsixtieth60thseventieth70theightieth80thninetieth90thhundredth100thonehundredandfirst101st(1)＂第一＂、＂第二＂、＂第三＂分別是first,second,third。(2)＂第四＂到＂第十九＂除了fifth,eighth,ninth,twelfth是特殊的拼寫外，其余的都在相應(yīng)基數(shù)詞后面加＂th＂構(gòu)成。如：fourth。(3)20以上的整十的序數(shù)詞由相應(yīng)的基數(shù)詞變y為i，再加＂-eth＂。如：thirty→thirtieth;fifty→fiftieth。(4)第一百hundredth;

第一千thousandth;

第一百萬millionth。(5)20以上的非整十的基數(shù)詞變序數(shù)詞時(shí)，只變化個(gè)位數(shù)。如：twenty-one→twenty-first;onehundredandone→onehundredandfirst?？枷蛉悍?jǐn)?shù)的表達(dá)法分?jǐn)?shù)是由基數(shù)詞作分子，序數(shù)詞作分母構(gòu)成的。除了分子是＂1＂的情況外，序數(shù)詞都要用復(fù)數(shù)。?1/3onethird7/9sevenninths【注意】一些特殊的分?jǐn)?shù)表達(dá)法：?ahalf

二分之一

aquarter=onefourth

四分之一

threequarters=threefourth

四分之三數(shù)詞基變序口訣：基變序，有規(guī)律，詞尾加上th;一、二、三，特殊記，詞尾字母t、d、d;八減t,九減e，f來把ve替；單詞ty做結(jié)尾，ty變成tie;若是碰到幾十幾，只變個(gè)位就可以。一、在橫線上填寫合適的數(shù)詞，把下面的算術(shù)題補(bǔ)充完整。1.seven+=twelve2.three+=twelve3.-four=twelve4.÷two=twelve5.three×five=6.sixty-fifteen=7.eight×seven=8.÷seven=two二、用適當(dāng)?shù)臄?shù)詞填空。1.Therearedaysinaweek.2.Thereareseasonsinayear.3.Mondayisthedayofaweek.4.JuneisChildren’sDay.5.TherearedaysinAugust.三、找規(guī)律，填數(shù)詞。threethirtyfourthfifteensixtyseventeennine隨堂練習(xí)Thereare________peopleinmyfamily.(

)隨堂練習(xí)A．8thB．eightC．third2.April5thishis________birthday.(

)A．thirdB．threeC．nine3.Augustisthe________monthoftheyear.(

)A．sevenB．ninthC．eighth4.Fiveandsixis________.(

)A．elevenB．tenC．tenone5.Theticketis$10andhalfpriceonWednesday.Soit’s________onWednesday.(

)A．$15B．$8C．$56.—I’m15yearsold.Howoldareyou?(

)

—I’molderthanyou.I’m_______yearsold.A．16B．15C．147.Mike’ssisteris_______.(

)A．fouryearoldB．fourthyearsoldC．fouryearsoldD．four-years-old8.Wecantakethe_______bustothemuseum.(

)A．No.1stB．No.1C．1stNo.D．1No.9.Septemberis______monthoftheyear.(

)A．nineB．ninethC．theninthD．thenineth10.TheYellowRiveris________longestriverinChina.(

)A．thefirstB．thesecondC．firstD．thethird11.__________ofthestudentsareYoungPioneersinourclass.(

)A．TwothreeB．TwothreesC．TwothirdsD．Secondthree12.---HowmanytimeshaveyoubeentoJapan?(

)

---_________.A．ForthethirdtimeB．ThreetimesC．a(chǎn)thirdtimeD．Forthreetimes13.—Howsoonwillyoufinishreadingthebook?

—In_______.(

)A．oneortwoweeksB．oneweekortwoC．a(chǎn)weekandtwoD．a(chǎn)ortwoweeks14.Marywasborn________.A．in1985,June1B．onJune1,1985C．a(chǎn)tJune1,in1985D．inJune1,198515.Howoldisyourfather?

Heis_______.(

)A．fourty-oneB．foutyoneC．forty-oneD．fortyone課后練習(xí)寫出下列節(jié)日的準(zhǔn)確日期

1.Children’sDayisonthe

___________

ofJune.

2.TheWomen’sDayisonthe

_________

ofMarch.

3.NewYear’sDayisonthe

__________

ofJanuary.

4.NationalDayisonthefirstdayof

__________.

5.TheOlympicGameswasopenedontheeighthdayof

_________

inBeijing.課后練習(xí)二、完成句子1.Chineseismy

______

(one/first)class.2.MybirthdayisonJ____

f____.

3.ThisisMay’st________

birthday,youcanseetwelvecandlesonthecake.4.Thereare

_________

daysinaweek,andMondayisthe

_________

dayoftheweek.三、按要求變化下列單詞

five(序數(shù)詞)

___________

twelve(序數(shù)詞)___________

eight(序數(shù)