七年级英语下Unit Grammar牛津译林正式.pptx
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1、会计学1七年级英语下七年级英语下Unit Grammar牛津译林正牛津译林正式式学习目标一、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)第1页/共24页A Cardinal numbersWhere can you find numbers in your l
2、ives?100 yuanBus No.1NO.23 player No.28 Shangwuneihuan Road第2页/共24页第三课第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 five第3页/共24页01234zeroonetwothreefour56789fivesixs
3、eveneightnineLets count from 0 to 9.第4页/共24页17 1819seventeeneighteennineteen2030405060708090twentythirty fortyfiftysixtyseventyeightyninety100one hundred10111213141516teneleventwelvethirteenfourteenfifteensixteenLets count from 10 to 100.212223twenty-onetwenty-twotwenty-three第5页/共24页4,056four thousa
4、nd and fifty-six23,813twenty-three thousand eight 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 hundred第6页/共24页75,623,138,947thousandhundredbillionmillionCan you
5、 find the rules?第7页/共24页1)1-12,独立成词。独立成词。2)13-19,由由39+teen构成。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。基数词的构成第8页/共24页Read the numbers in the sentence.1.People from abo
6、ut 180 countries and areas live inNew York.2.The CN Tower is 1,815 feet tall.3.Red Square in Moscow is about 91,000 square metres in size.one hundred and eightyone thousand eight hundred and fifteenninety-one thousand第9页/共24页6.Tokyo,the capital of Japan,has over 13,000,000 people.4.France has an are
7、a of over 260,000 square miles.two hundred and sixty thousandeight millionthirteen million5.There are about 8,000,000 people living in London.第10页/共24页知识探究知识探究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
8、各种数量或数的加、减。第11页/共24页【注意】hundred,thousand,million,billion 的用法 当hundred,thousand,million,billion前面有具体数词时,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。第12
9、页/共24页B Ordinal numbersWe can use ordinal numbers to order things and events.We use them to talk about dates,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
10、from America.第13页/共24页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=sixth 7=seven 7th=seventh 8=eight 9=nine 10=ten 10th=tenth 1st=first2nd=second3rd=third5th=fifth8th=eighth9th=ninth第14页/共24页基数词基数词 序数词序数词11=eleven 11th=eleventh 12=twelve 13=thirteen 13th=th
11、irteenth 14=fourteen 14th=fourteenth 15=fifteen 16=sixteen 16th=sixteenth 17=seventeen 17th=seventeenth 18=eighteen 18th=eighteenth 19=nineteen 19th=nineteenth 20=twenty12th=twelfth15th=fifteenth20th=twentieth第15页/共24页100=one hundred 21=twenty-one 22=twenty-two 23=twenty-three100th=one hundredth21st
12、=twenty-first 22nd=twenty-second23rd=twenty-third30=thirty30th=thirtieth第16页/共24页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,third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第17页/共24页知识探究知识探究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
13、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,2009第18页/共24页Complete the sentences with the correct floor numbers.1.Elsa 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.W
14、ilson lives on the _floor.seventhfifteenthfourthsecondninthtwelfth第19页/共24页Summary1.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 group floorThere are about 8,000,000 people living in London.Our flat is on the seventh floor.第20页/共24页Exercise1.There are some _ in
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