走名初第三次课——数词(Eva).ppt

How many?,Numeral,数 词,Eva,基数词、序数词,数词的表示法,概 念:,基数词： 表示数目的词 序数词： 表示顺序的词,基 数 词：,110 one two three four five six seven eight nine ten 1119 eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen 2099 twenty thirty forty fifty sixty seventy eighty ninety,1119 eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen 2099 twenty thirty forty fifty sixty seventy eighty ninety,几 十 几,21 76 68 49,几十 个位 之间加连字符“”,twenty-one seventy-six sixty-eight forty-nine,百位数：,101 320 几百： 200 500 几百几： 648 850,one hundred and one three hundred and twenty 19基数词+hundred，表示 几百 two hundred five hundred 几百与几十几之间加上and six hundred and forty-eight eight hundred and fifty,千位数：,数字： 从右往左，每三位加一个“，” 英文： 从右往左， 第一个“，”前的数字后加thousand，第二个“，”前的数字后加million，第三个“，”前的数字后加billion,小试牛刀,1，126 one thousand one hundred and twenty-six 3，345 three thousand three hundred and forty-five 6，800 six thousand eight hundred 9，303 nine thousand three hundred and three 5，648 five thousand six hundred and forty-eight,小试牛刀,7,654,321 seven million six hundred and fifty four thousand three hundred and twenty-one 1,987,654,321 one billion nine hundred and eighty-seven million six hundred and fifty-four thousand three hundred and twenty-one,表示具体数字： 数词 表示概数： hundreds thousands millions billions,基数词的用法,hundred thousand million billion,+ of,练一练,1. If a = 3, b=4, whats the answer to the problem, a+2ab+1=? the answer is_. A. twenty eight B. twenty-eighth C. twenty-eight 2. Many _ sheep were killed in the accident. A. thousands of B. thousand C. thousands 3. There are over nine _ workers in the factory, but _ of young people hope to work in it. A. hundred; hundreds B. hundreds; hundreds C. hundreds; hundred,119 由相应的基数词后面加“th”构成，特殊除外 2099 几十： 变相应基数词词尾y为i，加“eth”构成 几十几： 几十的基数词加上“-”，再加个位序数词 一百以上： 变基数词词尾为序数词形式,序 数 词：,序数词的缩略：,1st，2nd，3rd为特殊形式外，其余都为阿拉伯数字后加th,一.基数词、序数词,first,second,third,fourth,fifth,sixth,eighth,ninth,twelfth,twentieth,twenty-first,fortieth,one hundredth,one hundred and fifth,one hundred and twenty-ninth,nineteenth,2008 2010 月： 在五月 在七月 在十月 日： 五月五日 三月一日,two thousand and eight two thousand and ten 用介词in，表示在哪个月 in May in July in October 用定冠词the加序数词表示，在哪一天加介词on the fifth of May May 5(May 5th) the first of March Mar. 1 (Mar.1st),数词的表示法 月日年, 月日年 在2008年10月1日,on Oct. 1st , 2008,on Octorber the first, two thousand and eight, 月日 在8月9日 月年 在2010年5月,on August the ninth,in May, two thousand and ten,有日用 on 无日用in,1. The accident happened on_. A. April 5, 2001 B. 2001, April 5 C. April 2001, 5 2. I was born _. A. in March 8, 1993 B. on July 9, 1994 C. on May, 1995,练一练,年代用定冠词加基数词表示世纪，加十位整数的复数形式表示年代 19世纪60年代 in the eighteen sixties 20世纪30年代 in the nineteen thirties,数词的表示法 年代世纪,20世纪90年代,in the,nineteen,nineties,in the 1990s,可以用定冠词加序数词加century表示 the sixth century 公元6世纪 the eighteenth century 公元18世纪 可以用定冠词加数字加s表示 the 1900s 20世纪 the 1600s 17世纪,世 纪：,in ones + 整十基数词复数 在某人几十岁时,在他50多岁时,in his fifties,数词的表示法 年代世纪,1. There will be more chances in _ century than in _ century. A. twenty-one, twenty B. twenty-first, twentieth C. the twenty-first, the twentieth 2. The city changed a lot _. A. in 1980s B. in the 1980s C. in the 1980,练一练,3. He graduated in _ of _ century. A. the sixtieth; twenty B. sixty; the twentieth C. the sixties; the twentieth 4. He got the prize _. A. in his fifties B. in fifties C. in his fifty,练一练,数词的表示法 时间,one oclock,ten past two,half past three,twenty to five,a quarter past five,a quarter to seven,seven fifty,表示在几点钟用介词 at,练一练,5：00 6：31 10：26 七点过五分 六点半 八点一刻 差十分八点 差一刻十二点,five oclock six thirty-one ten twenty-six five past seven half past six a quarter past eight ten to eight a quarter to twelve, Its already 7:40 now. When will the film start? _. We still have five minutes. A. A quarter to seven B. Seven past forty-five C. A quarter to eight,练一练,数词的表示法 分数百分数,1 5,分子 基数词 分母 序数词,one fifth,2 7,1 4,分子 1 分母 + s,two sevenths,分子 a 分母 quarter,a quarter,练一练,3 4,three quarters,1 2,a half,24 25,twenty-four twenty-fifths,1 3,1 4,1 2,6,1,3,基数词 + and + 分数,three and one third,six and one fourth,one and a half,six and one quarter,百分数,80 %,基数词 + percent,eighty percent,fifty percent,three percent,50 %,3%,小数点前的数字用基数词法读出 小数点后的数字逐个读出 小数点读作point 整数部分为0时，可以不读 当数字值大于1时，小数后的名词用复数,小 数,3.78,zero point four,0.4,three point seven eight,point four,10.23 25.67 1.03 0.12% 0.35% 5.33%,ten point two three twenty-five point six seven one point o three zero point one two percent zero point three five percent five point three three percent,练一练,1. _ of the students _ boys in Class A. Two three; are B. Two thirds; are C. Two thirds; is 2. _ of her money _ spent on clothes. A. Two three; are B. Two thirds; is C. Two third; is,练兵时刻,3. _ the teachers in our school is about one hundred, and _ of them are women teachers. A. The number of; two third B. The number of ; two thirds C. A number of; two thirds,练兵时刻,1. The boy always stays there for _. A. one and half hour B. one and a half hour C. one and a half hours 2. The old man drank_ beer. A. two bottles and a half B. two and a half bottle C. two bottle and a half,练兵时刻,数词的表示法 年龄,1.The winner is _. He is an _ boy . A. eight-year-old; eight years old B. eight years old; eight-year-old C. eight-years old; eight-year-old 2. He came to China _. A. at the age of 20 B. when he is 20 C. at age of 20,1. September is _ month of the year. A. nine B. the nine C. ninth D. the ninth 2. _ students are singing in the big classroom. A. Two hundreds B. Two hundred of C. Hundreds of D. Hundred of 3. _ of the students are Young Pioneers in our class. A. Two three B. Two threes C. Two thirds D. Second three,练兵时刻,4. A cent is _ of a dollar. A. the hundredth B. one hundredth C. a hundred D. the hundr