数字读写法.ppt

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1、Vocabulary and Speaking5205205205205202 20 200 2,00020,000 200,0002,000,00020,000,000200,000,0002,000,000,000 two twenty two hundred two thousand twenty thousand two hundred thousand two million twenty million two hundred million two billion 1,234One thousand two hundred and thirty-four12,345Twelve

2、thousand three hundred and forty-five123,456One hundred and twenty-three thousand four hundred and fifty-six1,234,567One million two hundred and thirty-four thousand five hundred and sixty-seven12,345,678Twelve million three hundred and forty-five thousand six hundred and seventy-eight123,456,789One

3、 hundred and twenty-three million four hundred and fifty-six thousand seven hundred and eighty-nine1,234,567,890One billion two hundred and thirty-four million five hundred and sixty-seven thousand eight hundred and ninetyLook at these fractionsLook at these fractionsWe writeWe say1/4 a quarter1/3 a third4/5 four-fifths1/10 one-tenth3/4 three quarters1/2 a half2/3 two-thirds2Have a tryHave a try5/89/102/55/63/8two fifthsfive eighthsnine tenthsthree eighthsfive sixthsWhat is of 6,000,000?