英语中基数词、序数词、分数、小数和百分数的读法

1、语法英语中基数词、序数词、分数、小数和百分数的写法,读法1.基数词的读法：基数词的读法：A. 23 89 B.223 416 809 twenty-three eighty-ninetwo hundred and twenty-threefour hundred and sixteeneight hundred and nine How to say? 百 千 万 十万 百万 千万 亿 十亿hundredthousand ten thousand one hundred thousandmillion ten million one thousand millionbillionC. 1000

2、以上的数从后向前数，每三位数加一以上的数从后向前数，每三位数加一“,”（千分位）；第一个（千分位）；第一个“,”号前为号前为thousand; 第二个第二个“,”号前为号前为million; 第三个第三个“,”号前为号前为billion。如：。如：1,001 4,000 9,743 174,301750,000,000 one thousand and onefour thousandnine thousand, seven hundred and forty-threea (one) hundred and seventy-four thousand, three hundred and o

3、neseven hundred and fifty million2.序数词的读法序数词的读法序数词一般以与之相应的基数词加词序数词一般以与之相应的基数词加词尾尾-th构成，如：构成，如：tenth（第十），但下（第十），但下面这些基数词在变序数词时，面这些基数词在变序数词时， 有特别有特别的地方。如：的地方。如：A. one two three five eight nine twelvefirstsecondthirdfiftheighthninthtwelfthB. 以以-ty结尾的词，要先变结尾的词，要先变-y为为-i，再加，再加-eth。如：如：twenty fortyC. 以以on

4、e, two, three, five, nine收尾的多位序数收尾的多位序数词，要照第一条方法变。如：词，要照第一条方法变。如：twenty-one twenty-two thirty-five ninety-ninea hundred and fifty-three twentiethfortiethtwenty-firsttwenty-secondthirty-fifthninety-nintha hundred and fifty-third基数词（分子）序数词（分母），基数词（分子）序数词（分母），分子大于，分母用复数如：分子大于，分母用复数如： 2/3 7/9 5/12 one-f

5、ourthtwo-thirdsseven-ninthsfive-twelfthstwo and three-fifthsthirty and seven-eighths3.分数词的读法分数词的读法2353078一些特殊的表达法一些特殊的表达法 a / one halfa / one quarterthree quarters小数的读法小数的读法7.8 0.4 0.03 0.125 14.397 seven point eight（zero） point four（zero） point zero three(zero) point one two fivefourteen point thre

6、e nine seven5) 百分数的读法百分数的读法27% 45% 86% twenty-seven percent forty-five percent eighty-six percentPractice Read the following numbers. 2/55/89/103/8two-fifths five-eighthsnine-tenthsthree-eighths 0.50.81.23796,000 point five point eight one point two threeseven hundred, ninety-six thousandFind the mi

7、stakes52,470,383- fifty-two million, four hundred and seventy, three hundred and eighty-three 100,000,000- hundred million365,528,462- three hundred and sixty-five million, five hundred and twenty-eight thousand, four hundred and sixty-two1,000,000,000- one thousand/ one billion52,470,383- fifty-two

8、 million, four hundred and seventy thousand, three hundred and eighty-three100,000,000- one hundred millionNow lets say:2/5 5/8 9/10 3/8 5/6 1/2 1/4 3/4practiceCount these1. What is of 6,000,000?2. How much is 35,246,000 plus 12, 800,000?3. What is 25% of 200,000,000?4. How much is 260,408,396 plus

9、5,284,700?5. What is of 1,000,500,000?6. What is 10% of 800,000,000?3,000,00048,046,00050,000,000265,693,096750,375,00080,000,000 exercise 9 on P 93Answers:B B C BWork in pairWe writeWe say400,0002,000,0005,100,00048,000,50050,567,489123,456,789 four hundred thousand two million five million one hundred thousand forty-eight million, five hundred fifty million, five hundred and sixty-