1、Unit 1 dream homes第四课时 GrammarWe use cardinal numbers almost every day.No.11 BusNo.28 Shangwuneihuan RoadNo.21 playerPage 2810 yuanLets read from o to 9.012345zeroonetwothreefourfive6789sixseveneightninePlease read these numbers:1 2 4 6 7 8 11 12 14 16 17 18 21 32 44 56 67 78Can you read the phone n
2、umbers?Millie 6222 4901 _Amy6222 6390 _Daniel 6222 3986 _Sandy 6222 0928 _Kitty6222 7395 _me6222 7108 _six,two,two,two;six,three,nine,osix,two,two,two;three,nine,eight,sixsix,two,two,two;o,nine,two,eightsix,two,two,two;seven,three,nine,fivesix,two,two,two;seven,one,o,eightsix,two,two,two;four,nine,o
3、,oneLets read from 10 to 100.101112teneleventwelve13141516171819thirteen fourteen fifteen sixteenseventeeneighteennineteen2030405060708090twentythirtyfortyfiftysixtyseventy eightyninety100one hundred212223twenty-onetwenty-twotwenty-threeCan you read the numbers?911 715 422 554 218nine hundred and el
4、evenseven hundred and fifteenfour hundred and twenty-twofive hundred and fifty-fourtwo hundred and eighteenHow do we say it?4,056=_ thousand and _ 23,813=_ thousand,_ 567,110=_ thousand,_ 6,425,200=_ million,_ thousand,_four fifty-sixtwenty-three eight hundred and thirteenfive hundred and sixty-seve
5、n one hundred and tensix four hundred and twenty-five two hundredFind the right numbers._ 1.ten thousand,two hundred and six_ 2.one hundred 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 thousan
6、d and twenty-six_ 7.one hundred and ten thousand,two hundred and sixa.1,026b.10,206c.110,206d.126e.100,260f.12,026g.1,200,026bdefgacPay attention！1.个位和十位之间要加连字符“”。2.读三位以上的数词时，要在十位前加“and”,如十位为0则在个位前加“and”。24 368 689 253Pay attention！3.在朗读、书写较大的数字前，我们可以先做什么来让我们的朗读、书写变得简单，而不易出错？从后往前每三位标上一个逗号twenty-four
7、 billion,three hundred and sixty-eight million,six hundred and eighty-nine thousand,two hundred and fifty-three，millionthousandbillion1.one hundred and eighty2.one thousand eight hundred and fifteen3.ninety-one thousand4.two hundred and sixty thousand5.eight million6.thirteen millionHow to use cardi
8、nal numbers?1.表示数量的多少。如：There are fifty-two students in our class.2.表示年份和年龄。如：I was born in 1973.I am forty years old.3.表示时刻。如：-What time is it?-Its two to two.4.表示顺序。基数词表示顺序时，由“单数名词+基数词”构成，此时名词和基数词的第一个字母通常都大写。如：Class Fourteen Lesson One Room 505 No.4 Middle School Page 108注意：“单数名词+基数词”可以转换为“the+序数词
9、+单数名词”，此时的名词和序数词的第一个字母都不大写。Lesson One=the first lessonHow to use cardinal numbers?5.确数与概数的表达。英语中表示确数的方法为“基数词+计数单位（hundred,thousand,million,billion)+名词复数”。如：There are about seven thousand students in our school.There are thousands of students in our school.6.“整十”的基数词的复数形式可以用于表示几十年代或在某人几十多岁时。如：In the
10、1960s,people had to lead a poor life.He is in his twenties.Exercises3.请拨8906 5437打电话给我Please call me on _.4.我住在315房间。I live in Rom _.5.我早上6点18分起床。I get up at _.three one fiveeight nine o six five four three seven Can you read them correctly?six eighteenExercises6.There are _ books in our library.A.s
11、ix thousands ofB.six thousands C.six thousandD.six thousand of7.Anna住在公寓里的第七层。Anna lives on the _ floor in a flat.1.当有具体数量时，不能加“s”和“of”2.当表示泛指数量时用以下形式:hundreds ofthousands ofmillions ofCan you read them correctly?seventhOrdinal numbersB.Ordinal numbersWe use ordinal numbers to order things and event
12、s.We use them to talk about dates,floors,positions,etc.Womens Day is on the eighth of March.Our flat is on the seventh floor.He is always the first to come to school in our class.We use ordinal numbers to order things and events.0 _1 _ 2 _ 3 _ 4 _ 5 _ 6 _ 7 _ 8 _ 9 _onetwothreefourfivesixseveneightn
13、inezeroOdinal numbers(序数词)firstsecondthirdthfifthththhth口诀：一、二、三特殊记，词尾字母t,d,d,（first,second,third）八去t,九去e,(eight,ninth)10 _11 _ 12 _ 13 _ 14 _ 15 _ 16 _ 17 _ 18 _ 19 _eleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteentenththfthththththththth口诀：f 来把ve 替(fifth,twelfth)We use ordinal n
14、umbers to order things and events.Odinal numbers(序数词)20 _ 30 _ 40 _ 50 _ 60 _ 70 _ 80 _ 90 _twentythirtyfortyfiftysixtyseventyeightyninetyiethiethiethiethiethiethiethieth口诀：见y变ie,后面再加th We use ordinal numbers to order things and events.Odinal numbers(序数词)91 _100 _ 1,000 _ 1,000,000 _ one hundredone
15、thousandone millionWe use ordinal numbers to order things and events.ninety-one firstththth口诀：若是碰到几十几(twenty-one)，只变个位就可以。(twenty-first)Odinal numbers(序数词)1月1日1月2日1月3日1月5日2月17日2月19日3月12日4月8日5月4日5月20日5月21日5月30日the first of Januarythe second of Januarythe third of Januarythe fifth of JanuaryFebruary t
16、he seventeenthFebruary the nineteenthMarch the twelfthApril the eighthMay the fourthMay the twentiethMay the twenty-firstMay the thirtiethWe use ordinal numbers to talk about dates,floors,positions,etc.Odinal numbers(序数词)National Day is on _.Childrens Day is on _.October the first the first of Octob
17、er June the first the first of JuneWe use ordinal numbers to talk about dates,floors,positions,etc.我们生活在21世纪。We live in the _century(世纪).twenty-first1.live on the _(five)floor2.live on the _(two)floorsecondfifthOdinal numbers(序数词)We use ordinal numbers to talk about dates,floors,positions,etc.Odinal
18、 numbers(序数词)书上的第四幅图the _ picture on the bookfourthTom的第一个生日Toms _ birthdayfirst序数词须与the、物主代词或名词所有格连用Amy 81 Daniel 129 Kitty 118 Millie 98 Paul 67Peter 75 Ricky 61 Sandy 73 Shirley 51 Simon 107 1 Amys score:_points,the_.2 Daniels score:_points,the_.3 Simons score:_points,the_.4 Kittys score:_points,
19、the_.5 Millies score:_points,the_.eighty-one fifthone hundred and twenty-ninth firstone hundred and seven thirdone hundred and eighteen secondninety-eight fourthseventhfifteenthfourthsecondninthtwelfthHow to use ordinal numbers?1.序数词主要用作定语，前面要加定冠词。如：The ninth boy in the team is my brother.We live on
20、 the fourth floor.2.序数词前面有时可加不定冠词来表示“再一”“又一”的意思。如:May I have a third try?Ill have to do it a second time because my parent isnt pleased.3.表示分数时，分子用基数词表示，分母用序数词表示。分子大于1时，分母加-s。如：4/7 four sevenths 1/2 a half/one second4.起副词作用，前无“the”。如：Simon came first in the English exam.5.表示年、月、日时，年用基数词表示，日用序数词表示。如：
21、1960年10月1日October the first,nineteen sixty=the first of October nineteen sixty2013年2月27日February twenty-seventh,two thousand and thirteen=twenty-seventh of February,two thousand and thirteen6.表示编号。如：Lesson 5=the fifth lesson7.序数词前有限定词修饰时，不加“the”。如：This is my first lesson.Exercises用所给词的适当形式填空.1.He ge
22、ts 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 NJ.5.Mr.Green haschildren.Tom is the youngest.He is thechild.(nine)6.He is the(twenty-one)League Memberin our class.firsttwelfthsevensevenththirdnineninthtwenty-firstByeBye!
