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1、Unit 1 Grammar Cardinal numbersWe use cardinal numbers almost every day.No.11 Bus No.28 Shangwuneihuan RoadNo.21 playerPage 2810 yuanLets read from o to 9.012345zeroonetwothreefourfive6789sixseveneightnineCan you read the phone numbers?Millie 5553 2901 _Amy 5558 6390 _ Daniel 5554 3986 _Sandy 5552 0
2、928 _Kitty 5556 7395 _me 5557 2118 _five,five,five,eight;six,three,nine,ofive,five,five,four;three,nine,eight,sixfive,five,five,two;o,nine,two,eightfive,five,five,six;seven,three,nine,fivefive,five,five,seven;two,one,one,eightfive,five,five,three;two,nine,o,oneLets read from 10 to 100.101112teneleve
3、ntwelve13141516171819thirteenfourteenfifteen sixteenseventeeneighteen nineteen2030405060708090twentythirtyfortyfiftysixtyseventyeightyninety100one hundred212223twenty-onetwenty-twotwenty-threeCan you read the numbers?102 (one hundred and two)139 (one hundred and thirty-nine)13 (thirteen)45 (forty-fi
4、ve) 33 (thirty-three)82 (eighty-two)91 (ninety-one)14 (fourteen)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 eighteenlarge numbers1,000one thousand10,000ten thousand100,000one hundre
5、d thousand1,000,000one millionHow 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-seven one hundred and tensix four hundred and twenty-five two hundred
6、Find 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 thousand and twenty-six_ 7. one hundred and ten thousand, two
7、hundred and sixa. 1,026 b. 10,206 c. 110,206 d. 126e. 100,260 f. 12,026 g. 1,200,026bdefgacHow do we say it? There are 1280 students in our school. There are 230100 books in the library. The house is 1509998 yuan. , ,one million, five hundred and nine thousand, nine hundred and ninety-eighttwo hundr
8、ed and thirty thousand, one hundred, ,one thousand, two hundred and eightyLets learn how to write cheques.payRMB Yuan￥598.00payRMB Yuan￥12312.00five hundred and ninety-eight, twelve thousand, three hundred and twelve 1st first 2nd second 3rd third 4th fourth 5th fifth 6th sixth 7th seventh 8th eight
9、h 9th ninth 10th tenth11th eleventh 12th twelfth 13th thirteenth 14th fourteenth 15th fifteenth 16th sixteenth 17th seventeenth 18th eighteenth 19th nineteenth 20th twentieth21st twenty-first 22nd twenty-second 23rd twenty-third 24th twenty-fourth 25th twenty-fifth 26th twenty-sixth 27th twenty-seve
10、nth 28th twenty-eighth 29th twenty-ninth 30th thirtieth 31st thirty-first Learn these numbers and find out the rules: 表示顺序的数词叫序数词。表示顺序的数词叫序数词。 基数词变序数词基数词变序数词的规则是：的规则是：（1） 大部分数词在词尾加大部分数词在词尾加th ： 如如: fourth（第四）（第四） thirteenth（第十三）（第十三） hundredth（第一百）（第一百）（2） 表示整十的基数词，表示整十的基数词， 变变 y为为ie， 再加再加 eth; 如：如：
11、twentieth 第二十第二十 eightieth第八十第八十（3） 特殊的序数词有特殊的序数词有: 第一第一 first, 第二第二 second， 第三第三 third， 第五第五 fifth, 第八第八 eighth, 第九第九 ninth ，第十二，第十二 twelfth(4) 要把一个要把一个“ 几十几几十几” ， “ 几百几几百几” 的的基基 数词变成序数词，只需把个位数变成数词变成序数词，只需把个位数变成序数词。序数词。 如如: 32-thirty-second 256- two hundred and fifty-sixth(5) 在表示编号的东西时，可以用基数词表在表示编号
12、的东西时，可以用基数词表示，示， 也可用序数词表示也可用序数词表示 如如: the first lesson = Lesson One the sixth grade = Grade Six 1st first 2nd second3rdthird5thfifth8theighth 12thtwelfth基变序有规律，结尾字母是基变序有规律，结尾字母是 th; 一、二、一、二、三，特殊记，结尾字母是三，特殊记，结尾字母是 t, d, d；八去；八去t, 九九去去e; f 要把要把ve替。替。ty 将将 y 变成变成 i, th前面有前面有个个e；几十几，也好记，只变个位就可以。；几十几，也好记
13、，只变个位就可以。9thninthThe first month of the year issecondthirdfourthfifthsixtheleventhseventheighthninthtenthtwelfthFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecemberJanuary.写出下列日期的英文表达法写出下列日期的英文表达法 1. 3 月月12日日 2. 8月月8 日日 3. 1月月5日日 4. 7月月20 日日 5. 12月月1日日 6. 9月月9日日 7. 4月月3日日 8. 11月月2日日 9
14、. 2月月14日日 10. 5月月30 日日 11. 6月月23日日 12. 10月月21日日March 12thAugust 8thJanuary 5thJuly 20thDecember 1stSeptember 9thApril 3thNovember 2ndFebruary 14thMay 30thJune 23rdOctober 21stRead the dates:Writing(写法）写法） Reading （读法）（读法）January 1stMarch 8thAugust 2ndSeptember 10thJuly 3rdFebruary 12thOctober 20thDe
15、cember 25thJanuary (the) firstMarch (the) eighthAugust (the) secondSeptember (the) tenthJuly (the) thirdFebruary (the) twelfthOctober (the) twentiethDecember (the) twenty-fifth4. 序数词常用作名词的定语，但当名词前面已有序数词常用作名词的定语，但当名词前面已有物主代词等限定词时，则不能再用物主代词等限定词时，则不能再用the。 如：如：The second boy likes playing baseball.序数词的用法：序数词的用法：1. 序数词前一般要加定冠词序数词前一般要加定冠词the。 如：如：The first boy is my brother.2. 表示编号时，常把基数词放在名词后面来表示表示编号时，常把基数词放在名词后面来表示 顺序，相当于顺序，相当于“the + 序数词序数词 + 名词名词”。 如：如： lesson five = the fifth lesson3. 表示分数时，基数词作分子，序数词作分母，表示分数时，基数词作分子，序数词作分母， 当分子大于当分子大于1时，分母要用复数。时，分母要用复数。 如：如：1/4 one fourth; 2/5 two fifths