1、 Unit 1 Dream homes -GrammarCardinal numbers 基数词基数词Ordinal numbers 序数词序数词We use cardinal numbers almost every day.We use them to talk about the numbers(数量数量)of people or things.cardinal numbers 基数词基数词We use cardinal numbers almost every day.No.8 Bus2 boys5 magazinesPage 2510 yuan0onetwothreefourfive
2、sixseveneightnineten12345678910/zr/Lets read these cardinal numbers.zeroeleventwelve11121314151617181920nineteenthirteen fourteen fifteensixteenseventeeneighteenLets read these cardinal numbers.twentytwenty-one twenty-two2122232425twenty-three twenty-four twenty-five十位和个位之间要加连字符十位和个位之间要加连字符“-”304050
3、60708090thirty fortyfiftysixty seventy eightyninety100200300400one hundredtwo hundredthree hundredfour hundred/hndrd/1000500060009000one thousandfive thousandsix thousandnine thousand/aznd/1,000,0005,000,0008,000,000one millionfive millioneight million/mljn/百万百万1）当表示）当表示具体数量具体数量时，不能在其后加时，不能在其后加“s”和和
4、“of”e.g.three hundred/eight thousand 2）当表示）当表示泛指数量泛指数量时用以下形式时用以下形式:hundreds of thousands of millions of 1.hundred,thousand,million数百的数百的数千的数千的数百万的数百万的篮子里有数百个鸡蛋。篮子里有数百个鸡蛋。There are _ _ eggs in the baskets.hundreds of这儿有数千个苹果。这儿有数千个苹果。Here are _ _apples.thousands of102(one hundred and two)100(one hund
5、red)2.读三位以上的数字时，要在读三位以上的数字时，要在十位前十位前加加“and”;如十位是如十位是0,则在则在个位前个位前加加“and”539(five hundred and thirty-nine)222(two hundred and twenty-two)Can you read the numbers?911 715 422 554 218nine hundred and elevenseven hundred and fifteenfour hundred and twenty-twofive hundred and fifty-fourtwo hundred and eig
6、hteen 2,000=_ thousand 4,306=_ thousand,_ 23,813=_ thousand,_ 567,110=_ thousand,_ fourtwenty-three five hundred and sixty-seven one hundred and ten eight hundred and thirteenthree hundred and sixtwo 1,000,000=_ million 2,334,206=_ million,_thousand,_ 88,333,555=_ million,_thousand,_ 999,000,000=_ m
7、illiontwothree hundred and thirty-fournine hundred and ninety-nine eighty-eightfive hundred and fifty-fivethree hundred and sixonethree hundred and thirty-three 567 3,280 10,943 123,456 9,070,811 45,607,760Try to write the numbersfive hundred and sixty-seventhree thousand,ten thousand,one hundred an
8、d twenty-three thousand,nine million,forty-five million,two hundred and eightynine hundred and forty-threeseventy thousand,eight hundred and elevensix hundred and seven thousand,seven hundred and sixtyfour hundred and fifty-sixFind the right numbers._ 1.ten thousand,two hundred and six _ 2.one hundr
9、ed and twenty-six_ 3.one hundred thousand,two hundred and sixty_ 4.twelve thousand and twenty-six_ 5.one million,two hundred thousand and twenty-six_ 6.one thousand and twenty-six_ 7.one hundred and ten thousand,two hundred and sixa.1,026 b.10,206 c.110,206 d.126e.100,260 f.12,026 g.1,200,026bdefgac
10、1.People from about 180 countries and areas live in New York.2.The CN Tower is 1,815 feet tall.3.Red Square in Moscow is about 91,000 square metres in size.4.France has an area of over 260,000 square miles.5.There are about 8,000,000 people living in London.6.Tokyo,the capital of Japan,has over 13,0
11、00,000 people.one hundred and eightyone thousand eight hundred and fifteenninety-one thousandtwo hundred and sixty thousandeight millionthirteen millionWe use ordinal numbers to order things and events.We use them to talk about dates(日期日期),floors(楼层楼层),positions(位置位置),etc.ordinal numbers 序数词序数词Ordin
12、al numbers(序数词序数词)Tom is 2 years old.Today is his _ birthday.second生日生日the eighth of MarchWomens Day is on _.日期日期Ordinal numbers(序数词序数词)Christmas is on _.Ordinal numbers(序数词序数词)the twenty-fifth of December日期日期There are fifteen floors in the building.Elsa lives on the _ floor.Wilson lives on the _flo
13、or.seventh楼层楼层twelfthJane is a top student.She always gets _ in the exam(考试考试).first顺序顺序autumn springsummerwinterThere are four seasons in a year.Winter is the _ season of the year.fourth顺序顺序December is the _ month of the year.twelfth顺序顺序我们生活在我们生活在21世纪。世纪。We live in the _century(世纪世纪).twenty-firstOr
14、dinal numbers(序数词序数词)序数词的运用：序数词的运用：(1)序数词可用来表示日期、生日、楼层、顺序等。序数词可用来表示日期、生日、楼层、顺序等。(2)序数词前要加定冠词序数词前要加定冠词“the”e.g.Our flat is on the seventh floor.(3)序数词前有序数词前有sbs修饰时，不加修饰时，不加“the”.e.g.This is Toms/his fourteenth birthday.(4)起副词作用，不加起副词作用，不加“the”e.g.Simon came first in the running game.numbers Cardinal
15、numbers Ordinal numbersnumbers Cardinal numbers Ordinal numbers 1 onefirst 11eleveneleventh 2 twosecond 12twelvetwelfth 3 three third 13thirteen thirteenth 4 fourfourth 14fourteenfourteenth 5 fivefifth 15fifteenfifteenth 6 sixsixth 16sixteensixteenth 7 seven seventh 17seventeen seventeenth 8 eightei
16、ghth 18eighteeneighteenth 9 nineninth 19nineteennineteenth 10 tententh 1.1.序数词序数词119:119:除除first,second,third,fifth,eighth,ninth,twelfth变化不规则外变化不规则外,其余均由在基数词后加上其余均由在基数词后加上“th”。口诀如下：口诀如下：基变序，有规律，词尾加上基变序，有规律，词尾加上th。一二三一二三,特殊记，面目全非要注意。特殊记，面目全非要注意。八去八去t,九减九减e,若是若是-ve来结尾，变成来结尾，变成f莫迟疑。莫迟疑。numbers Cardinal
17、 numbers Ordinal numbers 20twentytwentieth 30thirtythirtieth 40fortyfortieth 50fiftyfiftieth 60sixtysixtieth 70seventyseventieth 80eightyeightieth 90ninetyninetieth 2.2.十位整数的序数词十位整数的序数词:将基数词的词尾将基数词的词尾“y”变成变成“ie”再加再加 “th”。numbers Cardinal numbers Ordinal numbers 100a hundred a hundredth 1,000a thousa
18、nda thousandth 1,000,000a million a millionth3.3.整百、整千、整百万的序数词整百、整千、整百万的序数词:hundredth,thousandth，millionth numbers Cardinal numbers Ordinal numbers 21twenty-onetwenty-first 22twenty-twotwenty-second 23twenty-threetwenty-third 34thirty-fourthirty-fourth 45forty-fiveforty-fifth4.4.几十几的序数词几十几的序数词:十位数不变
19、十位数不变,把个位数变成序数词。把个位数变成序数词。seventhfifteenthfourthsecondninthtwelfthExercises 用所给词的适当形式填空用所给词的适当形式填空.1.He gets the (one)in the English test this time.2.Tom will come on the _(twelve)of this month.3.There are _days in a week.Saturday is the _ day.(seven)4.This is my (three)time to come to Russia.5.Mr.G
20、reen is _ years old.He will celebrate his _ birthday next weekend.(四十四十)6.The building has _(十九十九)floors.It is _(九十九十)meters tall.We live on the _(九九)floor.And my grandparents live _(九九)floors above(在在上面上面)us.My uncle lives on the _(十九十九)floor.firsttwelfthsevensevenththirdfortyfortiethnineteenninety
21、ninthninenineteenthExercises(2011安顺安顺)David,how old is your father this year?_.And we will have a special party for his _ birthday next weekend.AFortieth；fortyBForty；fortyCForty；fortiethDFortieth；fortieth(2011黄冈黄冈)Jackie Chan donates _dollars to charity every year.He is an example to us all.Athousan
22、dBthousandsCthousand ofDthousands of(2011滨州滨州)Now,everybody,please turn to Page_and look at the_picture.AFifth；fiveBFive；fifthCFifth；fifthDFive；five直击中考直击中考A:How tall is?B:He iscm tall.A:Which floor does he live on?B:He lives on the floor.A:How much money can he get every year?B:Height(身高身高)Floor Salary（年薪）（年薪）Yao Ming220 cm18￥82,650,000Liu Haoran 185 cm 20￥36,508,800XiaoShenyang174 cm 36￥5,123,677Pair Work
