(
课件网) What number is it like It looks like a ‘zero’. Presentation 教学目标 1.能正确书写基数词 2.能正确使用基数词 表示数目和顺序的词叫做数词。数词又分基数词和序数词，序数词表示顺序，基数词表示人或事物数目的多少。 1. 表示年龄（She is 5 years old） 2. 表示时刻（7：30 seven thirty） 3.表示编号:名词在前，基数在后 （Room403 403房间 Class2 2班） 4.表示电话号码 5.表示数目（确切数目和不确切数目） 6.表示年代 Let’s read from o to 9. 0 1 2 3 4 5 zero one two three four five 6 7 8 9 six seven eight nine Can you read the phone numbers Millie 5553 2901 _____ Amy 5558 6390 _____ five,five,five,eight; six,three,nine,o five,five,five,three; two,nine,o,one 基数词的构成 10 11 12 13 14 15 16 17 18 19 ten eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen 13-19的基数词以-teen 结尾 重音放在最后一个音节上 20 30 40 50 60 70 80 90 twenty thirty forty fifty sixty seventy eighty ninety 20-90的整十基数词以-ty 结尾 ， 重音放在第一个音节上。 21 22 23 twenty-one twenty-two twenty-three 21-99的非整十 基数词是在 十位和个位之间加“-” Can you read the numbers 102 139 (one hundred and two) (one hundred and thirty-nine) 个位与十位之间用“-”， 十位与百位之间用“and” Can you read the numbers 911 422 nine hundred and eleven four hundred and twenty-two 100 1,000 10,000 100,000 1,000,000 10,000,000 100,000,000 1,000,000,000 one thousand ten thousand one hundred thousand one million ten million one hundred million one billion one hundred 111 , 1 1 1 , 1 1 1 , 1 1 1 thousand n.千 million n.百万 billion n.十亿 hundred n.百 the large numbers : 英语中没有直接表示“万”和“亿”的单位，而是常用“千”和“百万”来表达。 How do we say it 4,056= ___ thousand and _____ 23,813= _____ thousand, _____ 567,110= _____ thousand,_____ 6,425,200= __ million, _____ _____ thousand, _____ four fifty-six twenty-three eight hundred and thirteen five hundred and sixty-seven one hundred and ten six four hundred and twenty-five two hundred Here are some years. Can you read them 1320 1999 2000 2007 thirteen, twenty nineteen, ninety-nine two thousand two thousand and seven 1. 当有具体数量时，不能加 “s”和 “of ”。 2. 当表示泛指数量时用以下形式: hundreds of … thousands of … millions of … eg. There are _____ books in our library. A. six thousands of B. six thousands C. six thousand D. six thousand of billions of … hundred, thousand, million, billion 成百上千的/数百的… 成千上万的/数千的… 数百万的… 数十亿的… Exercises How 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-eight two hundred and thirty thousand, one hundred , , one thousand, two hundred and eighty ten thousand, two hundred and six one hundred and twenty-six one hundred thousand, two hundred and sixty twelve thousand and twenty-six one million, two hundred thousand and twenty-six one thousand and twenty-six one hundred and ... ...
