什么是數(shù)詞？表示數(shù)目多少或順序多少的詞叫數(shù)詞，數(shù)詞分為基數(shù)詞和序數(shù)詞。表示數(shù)目多少的數(shù)詞叫基數(shù)詞基數(shù)詞；表示順序的數(shù)詞叫序數(shù)詞序數(shù)詞。基數(shù)詞基數(shù)詞onetwothreefourfivesixseveneightsevensixthreezeroninetwooneeightfourfivenumberssevensixthreezeroninetwooneeightfourfiveNumbers are widely used. Hello ，86861873 -TitleNumber songLets sing a song ！LETS COUNT! 1-10 one two three four five six seven eight nine ten 11-19 eleven twelve thirteen forteen fifteen sixteen seventeen eighteen nineteenLETS REVIEW tenthirtyfortyseventysixtyOne hundredfiftyninetytwentyeightyDRAGON 1-1001324LOOK AND READ100 one hundred1,000 one thousand1,000,000 one million1,000,000,000 one billion1002,00030,000400,0005,000,00060,000,000700,000,0008,000,000,00090,000,000,000100,000,000,000 Can you read them ?hundredthousandmillionbilliononehundredonethousandtenthousandonehundredthousandonemilliontenmilliononehundredmilliononebilliontenbilliononehundredbillion tens/ hundreds/thousands/ millions of 一一百百 一一千千 一萬一萬 十萬十萬 一一百萬百萬 一千一千 萬萬 一億一億 十億十億 一百億一百億 一千億一千億數(shù)十?dāng)?shù)十/百百/千千/百萬百萬看誰譯得快：看誰譯得快：,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 three103789456123, 625 six hundred and twenty-five 8,961 eight thousand, nine hundred and sixty-one 95,680 ninety-five thousand, six hundred and eightyLook and PracticeLOOK 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 8391What is the largest / smallest 4-digit number?98311389Lets do a practice! face to facenumber to number one -firsttwo-secondthree-thirdfour-fourthfive-fifthsix-sixthseven-seventheight-eighthnine-ninthten-tenth序數(shù)詞twenty-twentieththirty-thirtiethforty-fortiethfifty-fiftiethsixty-sixtiethseventy-seventietheighty-eightiethninety-ninetieth tenthnintheighthseventhsixthfifthfourththirdsecondfirstordinalordinal numbers numbers tenthnintheighthseventhsixthfifthfourththirdsecondfirst一、二、三，特殊記，一、二、三，特殊記，加加th從從4起，起，八少八少“t”，九去，九去“e”，“ve”要用要用“f”替，替，(five, twelve)見見“y”變成變成“i”和和“e”，詞尾加上，詞尾加上“th”，(twenty,thirty,-ninety)若是遇到幾十幾，只變個(gè)位就可若是遇到幾十幾，只變個(gè)位就可以。以。v ordinal numbersordinal numbers( (序數(shù)詞 )Can you write their ordinal numbers?254412918721910190 401481001000December 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.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 secondfirst twenty-ninth fourthtwenty-firstsecondPractice: