小升初英语语法专项复习数词完美

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；表示顺序的数 词叫序数词。 基数词 one two three four five sixseven eight seven six three zero nine twoone eight four five numbers seven six three zero nine twoone eight four five Numbers are widely used. Hello ， 86861873 --- Title Number song Let’s sing a song ！ Let’s count! • 1-10 • one two three four five • six seven eight nine ten 11-19 eleven twelve thirteen forteen fifteen sixteen seventeen eighteen nineteen Let’s review ten thirty forty seventy sixty One hundred fifty ninety twenty eighty 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             60,000,000           700,000,000         8,000,000,000        90,000,000,000                     100,000,000,000   Can you read them ? hundred thousand millionbillion one hundred one thousand ten thousand one hundred thousand one million ten million one hundred million      one billion ten billion one hundred billion tens/ hundreds/thousands/ millions of 一百 一千 一万 十万 一百万 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 95,680 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 8 391 What is the largest / smallest 4-digit number? 9831 1389 Let’s do a practice! face to face number to number •one ---first two---second three---third four---fourth five---fifth six---sixth seven---seventh eight---eighth nine---ninth •ten----tenth 序数词 twenty---twentieth thirty---thirtieth forty---fortieth fifty---fiftieth sixty---sixtieth seventy---seventieth eighty---eightieth ninety---ninetieth tenth ninth eighth seventh sixth fifth fourth thirdsecondfirst ordinal numbers tenth ninth eighth seventh sixth fifth fourth thirdsecondfirst 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,thirty,---ninety) 若是遇到几十几，只变个位就可 以。 v ordinal 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 Britain, Australian, and Canada. •The Games of the _____________ Olympic in 2008 will be held in the city of Beijing. •I’m hungry. I’ve eaten three apples. Would you please give me a_______ one? •At the beginning of the _____________ century the world’s population has passed 6 billion. •He got off this bus and got on a ______ one. twelfth second first twenty-ninth fourth twenty-first second Practice: