英语中数字的读写ppt课件.ppt

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1、英语中数字的读写,1. The Sahara is about 9,600,000 square kilometers i size. 2. The Nile is 6,671kilometers long. 3. The Qomolangma is 8,844.43 meters high.,9,600,000 6,671 8,844.43,How to read these numbers?,one 1 two 2 three 3 four 4 five 5,six 6 seven 7 eight 8 nine 9 ten 10,绛县横水镇初级中学校,1、1-19的基数词,eleven 1

2、1 twelve 12 thirteen 13 fourteen 14,fifteen 15 sixteen 16 seventeen 17 eighteen 18 nineteen 19,绛县横水镇初级中学校,2、2090等十位数,twenty 20thirty 30forty 40fifty 50sixty 60seventy 70eighty 80ninety 90,twenty-one 21 twenty-two 22 其它的十位数照此类推，如： thirty-one 31 forty-two 42 seventy-five 75 ninety-six 96,3、百、千、万,百 hun

3、dred 100 one hundred 200 two hundred 以此类推 千 thousand 1 000 one thousand 2 000 two thousand英语里没有“万”这一单位，万也用thousand表示。如：10 000 ten thousand 一万;20 000 twenty thousand 两万,4、十万、百万,十万的说法是： 100,000 a (one) hundred thousand 200,000 two hundred thousand million 百万 a (one) million 1,000,000 two million 2,000

4、,000 以此类推 8,000,000 eight million,三位数以上的数，从个位往前数，每三位数加一个逗号，从后往前数的第一个逗号代表thousand, 第二个逗号代表million, 第三个逗号是billion，注意这几个词不能用复数形式。,例如： 2,648 two thousand, six hundred forty-eight 16,250,064 sixteen million, two hundred and fifty thousand, sixty-four,and,eight thousand eight hundred and forty-four point

5、four three,9,600,000,nine million and six hundred thousand,6,671,six thousand six hundred and seventy-one,8,844.43,确切数目与不确切数目的表达：hundred, thousand, million, billion等前面有基数词，表示确切数目时，用单数，后直接接复数名词；如： three hundred books one hundred people five thousand students seven million starts,绛县横水镇初级中学校,如： hundred

6、s of people thousands of students millions of birds billions of lions,表示不确切数目时，这类词后加-s且与of连用。,7258639,02718,657,4213,640,Exercise,seventy-two,five hundred and eighty-six,thirty-nine thousand and twenty-seven,eighteen million, six hundred and fifty-seven thousand, four hundred and twenty-one,three thousand ,six hundred and forty,Thanks for listening!,