Unit1HomeGrammar1课件译林版七年级英语下册

GrammarUnit1Home七年级下册Howmanypeoplearethereinyourfamily?Howoldareyou?Howoldisyoursister/brother/mother?Cardinalnumbers.HowoldamI?Canyouguess?0____1_____2_____3_____4_____5_____6_____7_____8_____9_____onetwothreefourfivesixseveneightninezeroCardinalnumbersMillie75684901_________________________Kitty62037395_________________________seven,five,six,eight;four,nine,o,onesix,two,o,three;seven,three,nine,five10_____ten11_______12_______13________14________15_______16________17________18________19________eleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteenfrom13to19,add“teen”attheend20________30______40_______50_______60_______70________80________90________twentythirtyforty

fiftysixtyseventyeightyninetyfrom20to90,add“ty”attheend21__________22__________23__________46__________47__________49__________twenty-onetwenty-twotwenty-threeforty-sixforty-sevenforty-nine连字符13thirteen[ˌθɜːˈtiːn]30thirty[ˈθɜ:ti]Tip13的重音放在第二个音节上30的重音放在第一个音节上100及以上的基数词100onehundred1,000onethousand1,000,000onemillion1,000,000,000onebillion续表(1)1—12单独记。如：one,two,three...twelve。(2)13—19的词尾都是teen。但13—thirteen，15—fifteen，18—eighteen需要特殊记。foursixsevennineteenteenteenteentysixtysevenninety(4)21~99的构成是在整十位的数词后加上个位的数词，中间用连字符“-”如：21twenty-one37thirty-seven96ninety-six。(3)20~90这些整十数词均以ty结尾。其中sixty，seventy，ninety都是在个位后直接加-ty。其余的构成不规则。构成规则

Howmuchisit?¥369threehundredandsixty-nine911715422554218ninehundredandelevensevenhundred

and

fifteenfourhundredandtwenty-twofivehundred

and

fifty-fourtwohundredandeighteen百位和十位之间加and,and轻读(5)101~999的构成要在百位数与十位数之间加and;156onehundredandfifty-six若十位数为零，百位数后仍要加and。509fivehundredandninePresentationNotesWeoftenuseacommaoraspacetoseparateabignumberintogroupsofthreefromrighttoleft.Westartwiththelargestpartandmovedowntothesmallest.Weputandbetween“hundred/thousand”andnumbersbelowahundred.(6)四位数或者四位数以上的基数词的拼写规律：用逗号从右往左每三位加一个逗号，第一个逗号读作thousand(千)，第二个逗号读作million(百万)，第三个逗号读作billion(十亿)。15,600,000,000千百万十亿fifteenbillionsixhundredmillion百位数后莫忘“and”Howdowesayit?4,056=___thousand_________23,813=___________thousand

__________________

567,110=______________________thousand

__________________6,425,200=__million___________________

thousand__________

fourandfifty-sixtwenty-threeeighthundredandthirteenfivehundredandsixty-sevenonehundredandtensixfourhundredandtwenty-fivetwohundredPractice1.CompletethesentencesaboutTina’shomewiththecorrectcardinalnumbers.

Tinalivesinabuildingwith(1)________(18)floors.Itisabout(2)________(46)milesfromShanghai.Ithasanareaof(3)__________________(150)squaremetres.Tinalikesherstudythemost,andthereareabout(4)___________(1,000)booksthere.eighteenforty-sixonehundredandfiftyonethousand212131615410

212

,131,

615

,

410

thousandn.千million[ˈmɪljən]

n.百万billionn.十亿hundredn.百HowtoreadlargenumbersWeoftenuseacommaoraspacetoseparatebignumbersintogroupsofthreefromrighttoleft.Tip四位数或者四位数以上的基数词的拼写规律：用逗号从右往左每三位加一个逗号，第一个逗号读作thousand(千)，第二个逗号读作million(百万)，第三个逗号读作billion(十亿)。hundred后莫忘“and”3,61094,295threethousandsixhundredandtenninety-fourthousandtwohundredandninety-fivePracticeReadthesentencesaboutSimon’shomeandfamilyinPartA1onpage11andpayattentiontothenumbers.(1)WeliveinRoom806(eightosix),Building15

(fifteen),CityGarden.(2)Ourflatis98(ninety-eight)squaremetresinarea.(3)Ourphonenumberiooneoonetwoonetwoonetwoonetwo).(4)MysisterAnnieisnineyearsold,andsheisinGrade4(four).表示“一亿”用onehundredmillion英语中表示“万”用tenthousand;表示“十万”用onehundredthousand;表示“千万”用tenmillion;用法（1）基数词主要用于表达确切的数量。金钱年龄蝴蝶的种类Imakefivehundreddollarsaweek.TheirsonDylanistwelve.Theyhaveabutterflyhousewithover200kindsofbutterflies！Itisabout10milesfromhere.距离PracticeMumusuallygetsupat6:45(sixforty-five)inthemorning.Mycomputercosts4,550(fourthousand,fivehundredandfifty)yuan.NotesWereadroomnumbers,buildingnumbers,housenumbersandphonenumbersasindividualdigits.ReadandlearnReadthetextbelowandpayattentiontotheuseofcardinalnumbersphonenumbersReadandpractiseTrytoreadthebignumbersbelow.Weoftenuseacommaoraspacetoseparateabignumberintogroupsofthreefromrighttoleft.ProductionFinishPartA2onpage11.Myhomeisabout20(twenty)kilometresfromNanjing.ItisinRoom302(threeotwo),Building9(nine),MoonlightGarden.Itisnotverybigandhasanareaof80(eighty)squaremetres.Ihaveayoungersister.HernameisSusan.Sheis6(six)yearsold,andsheisinGrade1(one).Inourfreetime,welikepaintingtogether.Weputupover50(fifty)picturesonthewallsofourlivingroom.Theyareverybeautiful!ReadandpractiseReadthesentencesinPartA1andpayattentiontothenumbers.Simoniswritingabouthishomeandfamily.Readthesentencesandpayattentiontothenumbersinhiswriting.Talkwithyourpartneraboutyourhomeandfamilyusingcardinalnumbers.Ican掌握基数词的用法，构成，及大数字的读法用基数词谈论自己的家庭及家庭成员掌握序数词的用法及构成用基数词和序数词写一篇短文介绍自己的家庭生活EnjoyasongLet’slistentoasongofcardinalnumbersandsingtogether.Let’senjoyanothersong.It’saboutordinalnumbers.ReadandunderstandReadthesentencesaboutLiMengtianandpayattentiontotheuseofordinalnumbers.Identifytheordinalnumbersandunderlinedthem.I.写出下列数字的英文表达方式。1.3,478

_________________________________________2.45,063

_______________________________________3.23,768,920

____________________________________________________________________________________________4.64,433,021___________