基数词和序数词用法

1、 什么是数词？什么是数词？ 表示数目多少或顺序多少的词叫数词， 数词分为基数词和序数词。表示数目 多少的数词叫基数词基数词；表示顺序的数 词叫序数词序数词。 基数词 one two three four five six seven eight seven six three zero nine two one eight four five numbers seven six three zero nine two one eight four five Numbers are widely used. Hello ， 86861873 - Lets count! 1-10 one two

2、three four five six seven eight nine ten 11-19 eleven twelve thirteen forteen fifteen sixteen seventeen eighteen nineteen 1 one wn 2 two: tu: 3 three: ri: 4 four: fo: 5 five: faiv 6 six: siks 7 seven: seven 8 eight: eit 9 nine: nain 10 ten: ten 11 eleven: ileven 12 twelve: twelv 13 thirteen: :ti:n 1

3、4 fourteen: fo:ti:n 15 fifteen: fifti:n 16 sixteen: siksti:n 17 seventeen: seventi:n 18 eighteen: eiti:n 19 nineteen nainti:n 20 twenty: twenti Lets review ten thirty forty seventy sixty One hundred fifty ninety twenty eighty 30 thirty e:ti 40 forty fo:ti 50 fifty fifti 60 sixty siksti 70 seventy se

4、venti 80 eighty eiti 90 ninety nainti 100 one hundred handred 1000 one thousand auznd 1000000 one million: miljn 1000000000 0ne billion: biljn Dragon 1-100 1 3 2 4 Look and Read 100 one hundred 1,000 one thousand 1,000,000 one million 1,000,000,000 one billion 100 2,000 30,000 400,000 5,000,000 60,0

5、00,000 700,000,000 8,000,000,000 90,000,000,000 100,000,000,000 Can you read them ? hundredthousandmillionbillion onehundred onethousand tenthousand onehundredthousand onemillion tenmillion onehundredmillion onebillion tenbillion onehundredbillion tens/ hundreds/thousands/ millions of 一百 一千 一万 十万 一百

6、万 一千 万 一亿 十亿 一百亿 一千亿 数十/百/千/百万 看谁译得快： , Step1:one hundred and twenty-three billion, Step2:four hundred and fifty-six million, Step3:seven hundred and eighty-nine thousand, Step4:one hundred and three 103789456123, 625 six hundred and twenty-five 8,961 eight thousand, nine hundred and sixty-one 95,68

7、0 ninety-five thousand, six hundred and eighty Look and Practice Look and Practice 6,302,876 six million, three hundred and two thousand, eighty hundred and seventy-six 45,690,510,810 forty-five billion ,six hundred and ninety million, five hundred and ten thousand ,eight hundred and ten 8391 What i

8、s the largest / smallest 4-digit number? 98311389 Lets do a practice! face to face number to number one -firsttwo-second three-third four-fourth five-fifth six-sixth seven-seventheight-eighth nine-ninth ten-tenth 序数词 twenty-twentieththirty-thirtieth forty-fortieth fifty-fiftieth sixty-sixtiethsevent

9、y-seventieth eighty-eightiethninety-ninetieth tenth ninth eighth seventh sixth fifth fourth third second first ordinalordinal numbers numbers tenth ninth eighth seventh sixth fifth fourth third second first 一、二、三，特殊记， 加th从4起， 八少“t”，九去“e”， “ve”要用“f”替，(five, twelve) 见“y”变成“i”和“e”，词尾加上 “th”， (twenty,th

10、irty,-ninety) 若是遇到几十几，只变个位就可 以。 v ordinal numbersordinal numbers( (序数词 ) Can you write their ordinal numbers? 2 5 44 12 9 18 72 19 101 90 4014 8 100 1000 December is the _ month of the year. Monday is the _ day of the week. English is spoken by most people as their _ language in the USA, Great Brita

11、in, Australian, and Canada. The Games of the _ Olympic in 2008 will be held in the city of Beijing. Im hungry. Ive eaten three apples. Would you please give me a_ one? At the beginning of the _ century the worlds population has passed 6 billion. He got off this bus and got on a _ one. twelfth second

12、 first twenty-ninth fourth twenty-first second Practice: 作业作业 一翻译下列数字的基数词。 1 101 1001 25 205 2005 3 35 353 二 写出下列数字的序数词。 12 18 20 47 56 73 85 90 101 Lets count! 1-10 one two three four five six seven eight nine ten 11-19 eleven twelve thirteen forteen fifteen sixteen seventeen eighteen nineteen 1 on

13、e wn 2 two: tu: 3 three: ri: 4 four: fo: 5 five: faiv 6 six: siks 7 seven: seven 8 eight: eit 9 nine: nain 10 ten: ten 11 eleven: ileven 12 twelve: twelv 13 thirteen: :ti:n 14 fourteen: fo:ti:n 15 fifteen: fifti:n 16 sixteen: siksti:n 17 seventeen: seventi:n 18 eighteen: eiti:n 19 nineteen nainti:n

14、20 twenty: twenti 100 2,000 30,000 400,000 5,000,000 60,000,000 700,000,000 8,000,000,000 90,000,000,000 100,000,000,000 Can you read them ? hundredthousandmillionbillion 100 2,000 30,000 400,000 5,000,000 60,000,000 700,000,000 8,000,000,000 90,000,000,000 100,000,000,000 Can you read them ? hundredthousandmillionbillion 625 six hundred and