1、GrammarDream HomesDream Homes What numbers can you see ?Numbers/mum./No.Look, this is Summer.He lives in Room 301, Building 30.You can call him on or e-mail him at.He is our first English teacher here.0 10 zero one two three four five six seven eight nine ten11 19 eleven twelve thirteen fourteen fif

2、teen sixteen seventeen eighteen nineteen20 30 40 100 twenty thirty forty fifty sixty seventy eighty ninety hundredRule1: 4 14 405 15 50 9 19 90four fourteen fortyfive fifteen fiftynine nineteen ninetyRule 2: 37 thirty-seven1001,00010,000200,0001,000,00010,000,000200,000,0001,000,000,000one hundredon

3、e thousandten thousandtwo hundred thousandone millionten million two hundred millionone billion /thousand millionCan you read these large numbers?Rule 3hundred/thousand/million后后可否加可否加s？There are more than two_(hundred) students in Grade 7._ (thousand) of lives were lost(喪失喪失) in Wenchuang earthquak

4、e.hundredThousandsLets say the numbers!Lets say the numbers! 4,056 23,813 567,1106,425,200four thousand and fifty-sixtwenty-three thousand, eight hundred and thirteen five hundred and sixty-seven thousand, one hundred and tensix million, four hundred and twenty five thousand,two hundredRule 4: 每一個單位

5、里面（每一個單位里面（000,000），），百位和十位之間用百位和十位之間用and12345678901，234，567，890 表示班級、年級、學校人數等；（表示班級、年級、學校人數等；（Class 2 , Grade 7 ) 表示城市和國家的人口數量等；表示城市和國家的人口數量等； 表示電話號碼、車牌號、門牌號、價格、年份等。表示電話號碼、車牌號、門牌號、價格、年份等。 hundred, thousand, million的特別用法：的特別用法： 前面有數詞，則不用其復數，如前面有數詞，則不用其復數，如two hundred, five thousand等。表示上百、上千、上百萬時，用等。

6、表示上百、上千、上百萬時，用hundreds of, thousands of , millions of 來表示。來表示。 1st = 2nd = 3rd = 4th = 6th = 8th = 7th= 10th=1. Write out the ordinal numbers:firstsecondthirdfourthsixtheighthseventhtenthRules: 1) 1) 序數詞除序數詞除first, second first, second 和和third third 外外, ,其他其他大部分都是由相應的基數次加大部分都是由相應的基數次加-th-th構成的構成的. .

7、3. Write the ordinal numbers: twenty- thirty- forty- fifty- sixty- twentieththirtiethfortiethfiftiethsixtiethRules: 2) 2) 以以y y結尾的整數結尾的整數, ,把把y y變成變成ie ie, ,再加再加-th-th. . 3) 3) five,eight,nine,twelvefive,eight,nine,twelve的特殊變化的特殊變化 nineeightfivenintheighthfifth4. More numbers:21223975 twenty-firsttw

8、enty-secondthirsty-ninthseventy-fifthRules: Rules: 兩位數或兩未以上的數兩位數或兩未以上的數, ,只要把只要把個位數變成序數詞個位數變成序數詞. .Check out （12選選4）4 14 405 15 50 9 19 908 100 216. 序數詞用于序數詞用于 dates, floors, results, to order things and events etc.1.Uncle Jim will arrive on the _(17) of June.4. Her birthday is on _ (23) of August.5. We live on _ (第第14層）層）floor.6. Wendy won _（第二第二）p