1、GrammarUnit1 Dream homes初中英语人教版七年级学习目标一、掌握以下单词和短语：zero,hundred,million,thousand,square metre,have an area of等二、熟练掌握以下句型：Womens Day is on the eighth of March.He is always the first to come to school in out class.三、能够掌握基数词和序数词的用法。（重点）A Cardinal numbersWhere can you find numbers in your lives？100 yuanB
2、us No.1NO.23 player No.28 Shangwuneihuan Road第三课第527页第315房间电话号码214486十一路公共汽车Can you read the numbers in English?the Third Lesson/Lesson ThreePage five two seventelephone number,two one four four eight six.Bus NO.11Room three one five01234zeroonetwothreefour56789fivesixseveneightnineLets count from 0
3、 to 9.17 1819seventeeneighteennineteen2030405060708090twentythirty fortyfiftysixtyseventyeighty ninety100one hundred10111213141516teneleventwelvethirteenfourteenfifteensixteenLets count from 10 to 100.212223twenty-onetwenty-twotwenty-three4,056four thousand and fifty-six23,813twenty-three thousand e
4、ight hundred and thirteenHow do we say the following numbers?567,110 five hundred and sixty-seven thousand one hundred and ten6,425,200 six million four hundred and twenty-five thousand two hundred75,623,138,947thousandhundredbillionmillionCan you find the rules?1)1-12,独立成词。独立成词。2)13-19,由由39+teen构成。
5、构成。3)20-90,以以-ty结尾。结尾。4)21-99，两位数，十位与个位之间有两位数，十位与个位之间有“”。5)101-999，三位数，百位与十位，三位数，百位与十位/个位之间加个位之间加and。6)1,000以上数目以上数目,从右向左每三位用从右向左每三位用“，”分开，分别读分开，分别读为为thousand,million,billion。基数词的构成Read the numbers in the sentence.1.People from about 180 countries and areas live inNew York.2.The CN Tower is 1,815 fe
6、et tall.3.Red Square in Moscow is about 91,000 square metres in size.one hundred and eightyone thousand eight hundred and fifteenninety-one thousand6.Tokyo,the capital of Japan,has over 13,000,000 people.4.France has an area of over 260,000 square miles.two hundred and sixty thousandeight millionthi
7、rteen million5.There are about 8,000,000 people living in London.知识探究知识探究1 基数词的基数词的用法用法1)表示名词量的多少；例：twenty-five desks2)表示年龄、价格、时间、年代、顺序等；例：She is fifteen years old.at five/in the 1960s3)表示各种车牌、门牌和电话号码等；例：Room 54)表示各种数量或数的加、减。【注意】hundred,thousand,million,billion 的用法 当hundred,thousand,million,billion前
8、面有具体数词时，要用单数；表示不确定的数目要用“hundreds,thousands,millions,billions+of”结构。例：There are six hundred workers in this factory.Thousands of visitors have come to Hangzhou in the last two weeks.在过去的两周中，有成千上万名游客到杭州来。B Ordinal numbersWe can use ordinal numbers to order things and events.We use them to talk about d
9、ates,floors,positions,etc.Wednesday is the fourth day of a week.Womens Day is on the eighth of March Its birthday is on the fifth of June.The flat is on the seventh floor.The fourth student comes from America.How do you write it?基数词基数词 序数词序数词1=one 2=two 3=three 4=four 4th=fourth 5=five 6=six 6th=six
10、th 7=seven 7th=seventh 8=eight 9=nine 10=ten 10th=tenth 1st=first2nd=second3rd=third5th=fifth8th=eighth9th=ninth基数词基数词 序数词序数词11=eleven 11th=eleventh 12=twelve 13=thirteen 13th=thirteenth 14=fourteen 14th=fourteenth 15=fifteen 16=sixteen 16th=sixteenth 17=seventeen 17th=seventeenth 18=eighteen 18th=e
11、ighteenth 19=nineteen 19th=nineteenth 20=twenty12th=twelfth15th=fifteenth20th=twentieth100=one hundred 21=twenty-one 22=twenty-two 23=twenty-three100th=one hundredth21st=twenty-first 22nd=twenty-second23rd=twenty-third30=thirty30th=thirtieth基数词变序数词的规律基变序，有规律，结尾字母th一二三，特殊记，结尾字母t,d,d:first,second,thir
12、d八减t，九减e,f替ve:eighth,ninth,five fifth整十变y为ie，然后再加th；twentytwentieth如果遇到几十几，只变个位就可以:twenty-one twenty-first知识探究知识探究2 序数词的序数词的用法用法1)表示顺序。序数词表示顺序时，其前要加定冠词the，其后接单数名词。例：The second picture is very beautiful.第二幅图很美。2)表示日期。例：2009年7月6日表示 July 6th,2009Complete the sentences with the correct floor numbers.1.E
13、lsa lives on the _ floor.2.Ivan lives on the _ floor.3.Mary lives on the _ floor.4.Peter lives on the _ floor.5.Ricky lives on the _ floor.6.Wilson lives on the _floor.seventhfifteenthfourthsecondninthtwelfthSummary1.Words and phrases2.能够掌握基数词和序数词的用法hundred,million,thousand,billion,foot,area,on the
14、group floorThere are about 8,000,000 people living in London.Our flat is on the seventh floor.Exercise1.There are some _ in our classroom.A.hundred of books B.the hundreds of booksC.hundreds of books D.hundred of book2.There are _ students in our school.A.fourhundred and forty-five B.four hundred and forty-fiveC.four hundreds and forty-five D.four hundred and forty five选择3.May is _ of a year.A.the fifth months B.the fifth month C.the five months D.the five month4.Is Sunday the _ day of the week?A.a B.one C.once D.first5.September is _month of the year.A.nine B.nineth C.ninth D.the ninth
