GrammarUnit1Home七年級(jí)下冊(cè)Howmanypeoplearethereinyourfamily?Howoldareyou?Howoldisyoursister/brother/mother?Cardinalnumbers.HowoldamI?Canyouguess?111,111,111,111

thousandn.千millionn.百萬(wàn)billionn.十億thelargenumbers0____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連字符13thirteen[?θ???ti?n]30thirty[?θ?:ti]Tip13的重音放在第二個(gè)音節(jié)上30的重音放在第一個(gè)音節(jié)上Howdowesayit?4,056=___thousandand______23,813=___________thousand,__________________567,110=______________________thousand,__________________fourfifty-sixtwenty-threeeighthundredandthirteenfivehundredandsixty-sevenonehundredandten

Howmuchisit?￥369threehundredandsixty-nine911715422554218ninehundredandelevensevenhundred

and

fifteenfourhundredandtwenty-twofivehundred

and

fifty-fourtwohundredandeighteen百位和十位之間加and,and輕讀Checktheansweronthebook212131615410

212

,131,

615

,

410

thousandn.千million[?m?lj?n]

n.百萬(wàn)billionn.十億hundredn.百HowtoreadlargenumbersWeoftenuseacommaoraspacetoseparatebignumbersintogroupsofthreefromrighttoleft.TipHowdowesayit?4,056=___thousand_________23,813=___________thousand

__________________

567,110=______________________thousand

__________________6,425,200=__million___________________

thousand__________

fourandfifty-sixtwenty-threeeighthundredandthirteenfivehundredandsixty-sevenonehundredandtensixfourhundredandtwenty-fivetwohundred1.當(dāng)有具體數(shù)量時(shí)，不能加“s”和“of”。2.當(dāng)表示泛指數(shù)量時(shí)用以下形式:hundredsof…thousandsof…millionsof…billionsof…eg.Thereare________booksinourlibrary.A.sixthousandsofB.sixthousandsC.sixthousandD.sixthousandofAttention:hundred,thousand,million,billion成百上千的/數(shù)百的…成千上萬(wàn)的/數(shù)千的…數(shù)百萬(wàn)的…數(shù)十億的…Ordinalnum.4,056=23,813=567,110=6,425,000=Canyoureadcardinalnumberscorrectly?Trytoreadthebignumberbelow.fourthousandandfifty-sixtwenty-threethousandeighthundredandthirteenfivehundredandsixty-seventhousandonehundredandtensixmillionfourhundredandtwenty-fivethousand讀法規(guī)律：(1)百位數(shù)百位和十位之間要用and，and輕讀，若十位為0則在個(gè)位前加“and”。(2)千位數(shù)非正式文體中，十位數(shù)和個(gè)位數(shù)均為0，百位數(shù)不為0的MN00，既可以讀作MthousandNhundred也可以讀成MNhundred。(3)1,0000以上大數(shù)字在用阿拉伯?dāng)?shù)字記錄較大數(shù)目時(shí)，通常用逗號(hào)或空格將大數(shù)目分隔，從個(gè)位開(kāi)始，三個(gè)一組。第一個(gè)“,”前為thousand，第二個(gè)“,”前為million。MorepracticeTalkwithyourpartneraboutyourhomeandfamily,usingcardinalnumbers.Socanyourememberthem

easily?英語(yǔ)基數(shù)詞順口溜英語(yǔ)數(shù)詞不難記，找出規(guī)則就容易。

零至十二形各異，一個(gè)一個(gè)單獨(dú)記。后面加teen變十幾，thirteen,fifteen看仔細(xì)Oeighteen只有一個(gè)t,兩個(gè)音節(jié)念清晰。表示“幾十”要加-ty,twenty,thirty是特例。

表示數(shù)字“幾十幾”,連字符號(hào)別忘記。Can

you

read

cardinal

numbers

correctly?Try

to

read

the

big

number

below.4,056=

four

thousand

and

fifty-six23,813=twenty-three

thousand

eight

hundred

and

thirteen567,110=

five

hundred

and

sixty-seven

thousand

one

hundred

and

ten6,425,000=

six

million

four

hundred

and

twenty-five

thousand1WeliveinRoom806,Building15,CityGarden.2Ourflatis98squaremetresinarea.3Ourphonenumberi4MysisterAnnieisnineyearsold,andsheisinGrade4.5Mumusuallygetsupat6:45inthemorning.6Mycomputercosts4,550yuan.Simoniswritingabouthishomeandfamily.Readthesentencesbelowandpayattentiontothenumbersinhiswriting.eightosixfifteenooneoonetwoonetwoonetwoonetwo

ninety-eightfoursixforty-fivefourthousandfivehundredandfiftyfifteen/aquartertoseven7Iwasbornin1994.nineteenninety-fourPractice讀法規(guī)律：(1)百位數(shù)

百位和十位之間要用and,and輕讀，若十位為0

則在個(gè)位前加“and”。(2)千位數(shù)非正式文體中，十位數(shù)和個(gè)位數(shù)均為0,百位數(shù)

不為0的MN00,

既可以讀作M

thousand

N

hundred也可以讀

成MN

hundred。(3)1,0000以上大數(shù)字在用阿拉伯?dāng)?shù)字記錄較大數(shù)目時(shí)，

通常用逗號(hào)或空格將大數(shù)目分隔，從個(gè)位開(kāi)始，三個(gè)一組。

第一個(gè)“,”前為thousand,第

二個(gè)“,”前為million。Practice1.FinishPartB1onpage12.firstsixthseventheighthtenthfourteenthnineteenthtwenty-secondthirtiethninetiethhundredthThenwhatdoyouknowaboutordinalnumbers?ReadthesentencesbelowaboutLiMengtianandpayattentiontotheuseofordinalnumber.LiMengtianlivesonthetwenty-secondfloor.HerbirthdayisonthetwentiethofFebruary.Sheisintheseventhgrade.Sheisalwaysthefirstinherclasstogettoschool.Weuseordinalnumberstotalkabouttheorderofthingsandevents.Weusethemtotalkaboutgrades,dates,__________positions,etc.WorkouttherulefloorsReadandsummarisePractice2.FinishPartB2onpage12.(1)LiMengtianlivesinabuildingwith22floors.Herhomeisonthetopfloor,the____________floor.HerfamilyalwayseatyuanxiaoontheLanternFestival—the_______dayofthefirstmonthintheChineselunarcalendar.twenty-secondfifteenthPractice(2)NeilisaGrade7student.Heisinthe_______grade.Heisusuallythe_____togetupinhisfamilybecausehelikesjogginginthemorning.Hismumisthesecondone,rightafterNeil.(3)Femi’sbirthdayisinMarch,the_____monthoftheyear.Todayishis________birthday.Heis13yearsoldnow.seventhfirstthirdthirteenth序數(shù)詞的常見(jiàn)用法表示次序the

second

boy第二個(gè)男孩表示日期the

seventeenth

of

January一月十七日表示生日his

thirtieth

birthday他的三十歲生日表示名次come

first獲得第一名表示樓層the

third

floor第三（四）層Simon

is

writingabout

his

homeandfamily.Read

the

sentences

belowand

pay

attention

to

the

numbers

in

his

writing.1Welive

in

Room806