1、Unit 1 Dream homesGrammarHow old are you?How many family members are there in your family?How many students are there in your class?Whats your favourite number?What is your telephone number?Talking about numbers freely.What number is it like?It looks like a zero.100one hundred200two hundred1,000one
2、thousand3,000three thousand1,000,000one million4,000,000four million1,000,000,000one billionThe CN Tower is over 1,500 feet tall.over prep.超过超过foot n.足足;英尺英尺(pl.feet)1 foot=0.3048 metremetre (=meter)n.米，米，公尺公尺The Tiananmen Square has an area of about 440,000 square metres.square n.广场广场;正方形正方形 adj.平方
3、的平方的area n.面积面积zero num.零零hundred num.百百thousand num.千千million num.百万百万foot n.(pl.feet)足；英尺足；英尺square n.广场广场 adj.平方的平方的metre n.米，公尺米，公尺area n.面积面积over prep.超过超过12345678910one two threefourfivesixseveneightnineten11121314151617181920eleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteent
4、wenty2130405060708090100twenty-onethirtyfortyfiftysixtyseventyeightyninetyone hundred1,000 one thousand10,000 ten thousand100,000 one hundred thousand1,000,000 one million How do we say the following numbers?4,056four thousand and fifty-six23,813twenty-three thousand eight hundred and thirteen567,11
5、0 five hundred and sixty-seven thousand one hundred and ten6,425,200 six million four hundred and twenty-five thousand two hundred9 3 0 5 0 0 4 6 0 7,billionmillionthousandnine billion three hundred and five million four thousand six hundred and sevenhundredSimon is collecting some information about
6、 different countries.Help him read the numbers correctly.1.People from about 180 countries and areas live in New York.大约有来自大约有来自180个国家和地区的人们生个国家和地区的人们生活在纽约。活在纽约。2.The CN Tower is 1,815 feet tall.加拿大国家电视塔有加拿大国家电视塔有1,815 英尺高。英尺高。3.Red Square in Moscow is about 91,000 square metres in size.莫斯科的红场面积大约莫斯
7、科的红场面积大约91,000平方米。平方米。4.France has an area of over 260,000 square miles.法国有法国有260,000多平方英里的面积。多平方英里的面积。5.There are about 8,000,000 people living in London.大约有大约有8,000,000人生活在伦敦。人生活在伦敦。6.Tokyo,the capital of Japan,has over 13,000,000 people.日本的首都东京有日本的首都东京有13,000,000多人口。多人口。We use ordinal numbers to
8、order things and events.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.one two threefourfivesixseveneightninetenfirstsecondthirdfourthfifthsixthseventheighthninthtenth基数词
9、基数词 序数词序数词 eleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteentwentyeleventhtwelfththirteenthfourteenthfifteenthsixteenthseventeentheighteenthnineteenthtwentieth基数词基数词 序数词序数词 twenty-onethirtyfortyfiftysixtyseventyeightyninetyone hundredtwenty-firstthirtiethfortiethfiftiethsixtiethsev
10、entietheightiethninetiethone hundredth基数词基数词 序数词序数词 基变序，很容易；基变序，很容易；1、2、3 特殊记特殊记;8去去t,9去去e;ve 要用要用 f 替；替；ty 变成变成tie.Simon wants to tell his classmates where his friends live.Look at the building.Complete the sentences with the correct floor numbers.1.Elsa lives on the _ floor.2.Ivan lives on the _ f
11、loor.3.Mary lives on the _ floor.4.Peter lives on the _ floor.5.Ricky lives on the _ floor.6.Wilson lives on the _ floor.seventh fifteenthfourthsecondninthtwelfth一、基数词用法一、基数词用法1.基数词在表示数量时与表示编基数词在表示数量时与表示编号、号码时的读法不一样。号、号码时的读法不一样。数字：数字：87,300,005 读作：读作：eighty-seven million three hundred thousand and f
12、ive电话号码：电话号码：82772906读作：读作：eight two seven seven two nine zero six 2.hundred,thousand,million 有不加有不加s和加和加s两种情况：两种情况：I have two hundred books.(不可加不可加s)我有两百本书。我有两百本书。I have hundreds of books.(必须加必须加s)我有数百本书。我有数百本书。二、序数词用法二、序数词用法 1.表日期：表日期：the fifth of June(=June the fifth)6月月5日日 2.表顺序或编号：表顺序或编号：the se
13、cond lesson (=Lesson Two)3.序数词常与序数词常与the连用，但以下两种情连用，但以下两种情况不用况不用the：(1)作副词。作副词。如：如：He often comes first.You must finish your homework first.(2)前面有限定词前面有限定词(如形容词性物主代词如形容词性物主代词 名词所有格名词所有格)时，不可再用时，不可再用the。如如:Its my first time to go to cinema.1.Do you live on the _(nine)floor?2.Next Friday is my fathers
14、 _(forty)birthday.3.We will have the _(five)lesson next week.Complete sentences with the correct forms of the words given.ninthfortiethfifth4.There are eight _(hundred)students in our school._ of them come from the same town.5.On the _(twelve)of December,they will have a sports meeting.hundredHundredstwelfth1.Remember the cardinal and ordinal numbers we learned in this lesson.2.Finish the exercises on workbook.
