数词课件完整版

学习目标

一基数词的构成。

二序数词的构成。

三数词的基本用法。

四数词的特殊用法。

数词概述表示数目多少或顺序先后的词叫数词。数词分为基数词和序数词。基数词表示数目或数量多少。序数词表示顺序和等级。数词在句中可作主语、宾语、表语、定语和同位语等成分。一基数词的构成

1one11eleven20twenty

2two12twelve21twenty-one

3three13thirteen30thirty

4four14fourteen40forty

5five15fifteen50fifty

6six16sixteen60sixty7seven17seventeen70seventy

8eight18eighteen80eighty

9nine19nineteen

90ninety10ten

100one/ahundred二序数词的构成一基数词的构成二序数词的构成1one

1st2two2nd3three3rd4fourfourth4th5five5th6sixsixth6th7sevenseventh7th8eight8th9nine9th

firstscondthirdfiftheighthninth八加h九去e一二三，特殊记

一基数词的构成二序数词的构成10tententh10theleveneleventh11th12twelve12th13thirteenthirteenth13thfourteenfourteenth14th15fifteenfifteenth15thsixteensixteenth16th17seventeenseventeenth17thtwelfthe,ve要用f替

一基数词的构成二序数词的构成

18eighteeneighteenth18th19nineteennineteenth19th20twenty20th21twenty-onetwenty-21th22twenty-twotwenty-

22th23twenty-threetwenty-23th24twenty-fourtwenty-fourth24th

twentiethfirstscond

third以y结尾变ie,后跟th莫忘记若想表示几十几只变个位就可以1,000一千___________________10,000一万___________________1,000,000一百万________________1,000,000,000十亿_________________onethousandtenthousandonemilliononebillion基数词的构成二序数词的构成25twenty-fivetwenty-fifth25th30thirtythirtieth30th100onehundredonehundredth100th101hundredandoneonehundredandfirst101th练一练

一读出下列数字791039991,3026,896,203123,234,438,209第九第四十第五十二第八十六第三百零三

_____________

二写出下列数字.

1.twothousandsixhundredandfifty-nine_________

2.eighteenmilliontwohundredandthirtythousandandsixty-eight___________________

thethreehundredandthird265918,230,068练一练

一读出下列数字791039991,3026,896,203123,234,438,209第九第四十第五十二第八十六第三百零三

_____________

二写出下列数字.

1.twothousandsixhundredandfifty-nine_________

2.eighteenmilliontwohundredandthirtythousandandsixty-eight___________________

thethreehundredandthird265918,230,068三数词的基本用法

1.数字表示时刻a.整点7:00读作seveno'clock或seven.3:00读作————b.用past表示“几点过几分”8:09读作eightonine或ninepasteight11:26读作———————————结构：不超过30分钟的，用分钟+past+点钟数c.用to表示几点差几分4:50读作tentofive12：50读作————结构：超过30分钟的，用（60-分钟数）+to+（点钟数+1）d.用half表示半小时5:30读作fivethirty或halfpastfive4:30读作—————————e.正好十五分钟也可用quarter例如1:15读作aquarterpastone9:45读作———————

threeo'clocktwenty-sixpastelevententoonefourthirty或halfpastfouraquartertoten在时间前用介词at，如：在6:45：ataquartertoseven或atsixforty-five三数词的基本用法数词表示年月日

英语年月日的顺序：日月,年或月日，年

a.在2011年5月1号写作：on1(st)May,2011或onMay1(st),2011读作：onthefirstofMay,twothousandandeleven或

onMaythefirst,twothousandandelevenb.在1989年9月写作：inSeptember,1989读作：inSeptember，nineteeneighty-nine2013年4月22日：thetwenty-sendofApril,twothousandandelevenAprilthetwenty-sendtwothousandandeleven3.数词表示编号LessonOne=thefirstlesson结构:名词+基数词或the+序数词+名词如：Page5=Room21读作————————

—————————4.表示年龄

a.表示十几岁用teens指从13岁到19岁。在某人十几岁时：inone‘steens.

b.表示“几十岁”；用inone’s+数词复数inone‘sthirties表示在某人三十几岁时，指从30岁到39岁。在他五十多岁时写作———————

c.18岁：eighteenyearsoldd.一个十八岁的男孩：an18-year-oldboy=aboyof18inhisfiftiesthefifthpageRoomTwenty-onethetwenty-firstroom1.Itisnotrarein_____thatpeoplein____fiftiesaregoingtouniversityforfurthereducation.A.90s,the B.the90s,/ C.90s,theirD.the90s,their2.Jackisnowin_____.

thethreegrade

B.GradeThird

C.GradeThree3.Peter,howoldisyourfatherthisyear_______.Andwejusthadapartyforhis______birthdaylastweekFortieth,fortyB.Forty,fortyC.Forty,fortiethD.Fortieth,forthiethACC

数词的特殊用法

1.分数分子用基数词，分母用序数词，分子大于一时，分母用复数形式。1/3onethird2/3twothirds3/5读作——————ahalf_____threequarters_______twothirdsmetre意__________

2.百分数倍数

5%fivepercent67%读作————————一次once两次twice三次threetimes四次读作————六倍读作——————3.小数0.6zeropointsixonepointfive___________

4.表示世纪年代

he+数词的复数，意为在······年代，如:inthenineties在九十年代

可写作：inthe90s

he+序数词+century,意为在……世纪，如：在19世纪inthenineteenthcentury

在十九世纪三十年代写作————————thesixthcentury译________intheearly1920's_________________

threefifths二分之一四分之三三分之二米sixty-sevenpercentfourtimessixtimesinthe1830s六世纪在二十世纪二十年代早期1.5

____ofthelandinthatdistrict_____coveredwithtreesandgrass.A.Twofifth,is B.Twofifth,areC.Twofifths,isD.Twofifths,areC分数和百分数作主语时，关键是看其后的名词来决定其谓语动词的数。该题中的是不可数名词，所以动词需用单数。

5.hundred,thousand,million的用法a.与具体数次one,two或several等连用时，要用单数如：300人：threehundredpeopleb.与of连用，要用复数，前面不能加具体数词，表示“数百”、“数千”、“数百万”等不确切数目如：hundredsofpeople6.数词加减乘除表示法a.“加”用plus,and,或add表示：等于用“is’，等词表示如：2+3=?Howmuchistwoplusthree?2+3=5Twoplusthreeisfive.b.“减”用minus表示10-6=4Tenminussixisfour.c.“乘”用time或multiply表示3×4=12Threetimesfouristwelve.d.“除”用divide的过去分词形式表示16÷4=4Sixteendividedbyfourisfour.

当堂检测1.IstudyinPingLiChengguanMiddleSchool,therearetwo______studentsinourschool.thousandsB.thousandsofC.thousandofD.thousand

2Whenspringcomes,_____treesareplantedinourcity.A.amillionofB.millionsofC.twomillionsD.millionof3.

Fiveminustwo_________three.A.wasB.areC.wereD.is

CDD7.不定冠词+序数词表示“又一次”。a.Doyouwanttotryathirdtime?你想做第三次尝试吗？b.Thelittlemonkeyhadhadthreebananas,andhewantedtoeatafourthone.我可以再试一次吗？——————————————？8.数词用连字符“-”连接作复合定语

amillion-poundnote一张百万英镑的支票atwo-thousand-wordcomposition_______________atwenty-metre-widesquare____________________他有一个三岁大的妹妹。__________________________

9.用在习语中

intwosandthrees三三两两atsevensandeights_______

MayIhaveascondtry一篇两千字的作文一个二十米宽的广场Hehasathree-year-oldsister.乱七八糟

中考风向标

1.千以内数词的表达方法。2.基数词变为序数词的方法。

3年月日编号时刻的表达方法。

4.分数小数的表达方法。中考演练

选择题1.Whenwasheborn?Hewasborn_________.A.in1988June6B.onJune6,in1988C.inJune6,1988D.onJune6,19882.Thelibraryintheschoolisn'tlarge.Thereareonly_____booksinit.A.sixthousand,fivehundredandforty-oneB.sixthousandandfivehundredandforty-oneC.sixthousandsfivehundredfortyandoneD.sixthousand,fivehundredsandforthone3.AthoughIfailedfourtimes,myfatherencouragedmetotrya_____time.A.twoB.fourC.thirdD.fifthDAD

4.TheOlympicsGamesareheld____________.A.everyfouryearsB.everyfouryearC.everyfourthyearsD.everyfour-year5._____thestudentsinourschoolisabouttwothousand,and______ofthem____girls.A.Anumberof;twothird;areB.Thenumberof;twothirds;isC.Anumberof;twothirds;isD.Thenumberof;twothirds;are6.Theyellowriveris____inChina.ItgoesthroughmanycitiesinChina.A.thesecondlongestriverB.thelongestscondriverC.thescondlongestriversD.thelongestscondrivers

ADA7.Inourschoolmorethan_____boys______likeEnglish.A.twofifths;don'tB.twofivesdon'tC.twofifthsdoesn'tD.scondfivedoesn't

8.Thecarcostme_____dollars.A.eightthousandsB.eightthousandofC.eightthousandsofD.thousandsof

9.Thewartookplace_________.A.1720sB.1720'sC.inthe1720sD.the172010.Igotabeatutifulbikeon______birthday.Ilikeitverymuch.A.fifteenthB.fifteenC.myfifteenD.myfifteenth

DCCAThebestclassroomintheworldisatthefeetofanelderlyperson.世界上最好的课堂在老人的脚下.Havingachildfallasleepinyourarmsisoneofthemostpeacefulfeelingintheworld.让一个孩子在你的臂弯入睡,你会体会到世间最安宁的感觉.Beingkindismoreimportantthanbeingright.善良比真理更重要.Youshouldneversaynotoagiftfromachild.永远不要拒绝孩子送给你的礼物.Sometimesallapersonneedsisahandtoholdandahearttounderstand.有时候,一个人想要的只是一只可握的手和一颗感知的心.Love,nottime,healsallwounds.治愈一切创伤的并非时间,而是爱.Lifeistough,butI'mtougher.生活是艰苦的,但我应更坚强.励志名言请您欣赏二序数词的构成一基数词的构成二序数词的构成1one

1st2two2nd3three3rd4fourfourth4th5five5th6sixsixth6th7sevenseventh7th8eight8th9nine9th

firstscondthirdfiftheighthninth八加h九去e一二三，特殊记

一基数词的构成二序数词的构成

18eighteeneighteenth18th19nineteennineteenth19th20twenty20th21twenty-onetwenty-21th22twenty-twotwenty-

22th23twenty-three