中考英語 數(shù)詞 公開課

中考英語數(shù)詞公開課第1頁/共16頁

學(xué)習(xí)目標(biāo)

一基數(shù)詞和序數(shù)詞的構(gòu)成。

二基數(shù)詞的用法。

三序數(shù)詞的用法。

第2頁/共16頁數(shù)詞概述1.表示數(shù)目多少或順序先后的詞叫數(shù)詞。數(shù)詞分為基數(shù)詞和序數(shù)詞。2.基數(shù)詞表示數(shù)目或數(shù)量多少。序數(shù)詞表示順序和等級。第3頁/共16頁一基數(shù)詞和序數(shù)詞的構(gòu)成1.one2.two3.three4.four5.five6.six7.seven8.eight9.nine10.ten11.eleven12.twelve13.thirteen14.fourteen15.fifteen16.sixteen17.seventeen18.eighteen19.nineteen20.twenty10.ten20.twenty30.thirty40.forty50.fifty60.sixty70.seventy80.eighty90.ninetyfirstsecondthirdfourthfifthsixthseventheighthninthtentheleventhtwelfththirteenthfourteenthfifteenthsixteenthseventeentheighteenthnineteenthtwentieth第4頁/共16頁

一二三，特殊記f要把ve替八減t,九去e結(jié)尾th不忘記若想變?yōu)閹资畮?，只變個(gè)位就可以?；鶖?shù)詞變?yōu)樾驍?shù)詞：第5頁/共16頁二基數(shù)詞考點(diǎn)1.有s沒數(shù)字，有數(shù)字沒s:hundred,thousand,million,billion2.inhisforties.Inone’s+年齡復(fù)數(shù)

inthe1930s.Inthe+年代復(fù)數(shù)3.時(shí)間的表示(1)2：25twotwenty-five(2)8:20twentypasteight6:50tentoseven(3)aquarter=15minutesahalf=30minutes8:30halfpasteight8:15aquarterpasteight7:45aquartertoeight第6頁/共16頁4.數(shù)的讀寫

(1)數(shù)的讀法1,987,654,321onebillion,ninehundredandeighty-sevenmillion,sixhundredandfifty-fourthousand,sixhundredandtwenty-one

1234100111001034(2)數(shù)的寫法三位一逗第7頁/共16頁三序數(shù)詞考點(diǎn)1.年份、日期的表示日期用序數(shù)，年份用基數(shù)

1949.10.1October1st,1949年份的讀法：兩位一組19991900190920082.分?jǐn)?shù)的表示：（1）分子基，分母序；分子大于1,分母加s2/5(2)aquarter=1/4threequarters=3/4ahalf=?3.編號的表示

LessonOne=thefirstlesson

ClassThree=thethirdClass結(jié)構(gòu):名詞+基數(shù)詞或the+序數(shù)詞+名詞4.序數(shù)詞縮寫取后兩位第8頁/共16頁基礎(chǔ)練習(xí)

1.

讀出下列數(shù)字799991031,3021,987,654,321第九第四十第五十二

2.

寫出下列數(shù)字.

(1)twothousandsixhundredandfifty-nine_________

(2)eighteenmilliontwohundredandthirtythousandandsixty-eight___________________

265918,230,068第9頁/共16頁3.數(shù)詞表示編號LessonOne=thefirstlesson結(jié)構(gòu):名詞+基數(shù)詞或the+序數(shù)詞+名詞如：Page5=Room21————————

4.表示年齡

a.表示十幾歲用teens指從13歲到19歲。在某人十幾歲時(shí)：inone‘steens.

b.表示“幾十歲”；用inone’s+數(shù)詞復(fù)數(shù)inone‘sthirties表示在某人三十幾歲時(shí)，指從30歲到39歲。在他五十多歲時(shí)寫作———————

c.18歲：eighteenyearsoldd.一個(gè)十八歲的男孩：an18-year-oldboy=aboyof18inhisfiftiesthefifthpagethetwenty-firstroom第10頁/共16頁1.Itisnotrarein_____thatpeoplein____fiftiesaregoingtouniversityforfurthereducation.A.1990s,the B.the1990s,/ C.1990s,theirD.the90s,their2.Jackisnowin_____.

thethreegrade

B.GradeThird

C.GradeThree3.Peter,howoldisyourfatherthisyear_______.Andwejusthadapartyforhis______birthdaylastweekFortieth,fortyB.Forty,fortyC.Forty,fortiethD.Fortieth,forthiethDCC綜合演練第11頁/共16頁3.____ofthelandinthatdistrict_____coveredwithtreesandgrass.A.Twofifth,is B.Twofifth,areC.Twofifths,isD.Twofifths,are4.

Fiveminustwo_________three.A.wasB.areC.wereD.IsC分?jǐn)?shù)和百分?jǐn)?shù)作主語時(shí)，關(guān)鍵是看其后的名詞來決定其謂語動詞的數(shù)。該題中的是不可數(shù)名詞，所以動詞需用單數(shù)。D第12頁/共16頁中考演練

選擇題1.Whenwasheborn?Hewasborn_________.A.in1988June6B.onJune6,in1988C.inJune6,1988D.onJune6,1988

2.AthoughIfailedfourtimes,myfatherencouragedmetotrya_____time.A.twoB.fourC.thirdD.fifth

3.TheOlympicsGamesareheld____________.A.everyfouryearsB.everyfouryearC.everyfourthyearsD.everyfour-year

DAD第13頁/共16頁4.Theyellowriveris____inChina.ItgoesthroughmanycitiesinChina.A.thesecondlongestriverB.thelongestscondriverC.thescondlongestriversD.thelongestscondrivers5.Inourschoolmorethan_____boys______likeEnglish.A.twofifths;don'tB.twofivesdon'tC.twofifthsdoesn'tD.scondfivedoesn't6.Thewartookplace_________.A.1720sB.1720'sC.inthe1720sD