小学英语语法数词课件

1、 小学英语语法：数词Numeral 小学英语语法：数词Numeral什么是数词？表示数目多少或顺序多少的词叫数词，数词分为基数词和序数词。表示数目多少的数词叫基数词；表示顺序的数词叫序数词。什么是数词？表示数目多少或顺序多少的词叫数词，数词分为基数词基数词onetwothreefourfivesixseveneight基数词onetwothreefourfivesixsevensevensixthreezeroninetwooneeightfourfivesevensixthreezeroninetwooneeignumberssevensixthreezeroninetwooneeightf

2、ourfivenumberssevensixthreezeroninetwNumbers are widely used. Hello ，86861873 Numbers are widely used.Hello TitleNumber songLets sing a song ！TitleNumber songLets sing a sLets count!1-10 one two three four five six seven eight nine ten 11-19 eleven twelve thirteen forteen fifteen sixteen seventeen e

3、ighteen nineteenLets count!1-10Lets review 102030405060708090100tenthirtyfortyseventysixtyOne hundredfiftyninetytwentyeightyLets review 10203040506070809Dragon 1-100Dragon 1-1001324Look and Read100 one hundred1,000 one thousand1,000,000 one million1,000,000,000 one billion1324Look and Read100 1,0100

4、2,00030,000400,0005,000,00060,000,000700,000,0008,000,000,00090,000,000,000100,000,000,000Can you read them ?hundredthousandmillionbillion100Can you reaonehundredonethousandtenthousandonehundredthousandonemilliontenmilliononehundredmilliononebilliontenbilliononehundredbillion tens/ hundreds/thousand

5、s/ millions of 一百 一千 一万 十万 一百万 一千 万 一亿 十亿 一百亿 一千亿数十/百/千/百万看谁译得快：onehundred一百 ,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,Step1:one hundred and twenty- 625 six hundred and twe

6、nty-five 8,961 eight thousand, nine hundred and sixty-one 95,680 ninety-five thousand, six hundred and eightyLook and Practice 625Look 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 an

7、d ninety million, five hundred and ten thousand ,eight hundred and ten Look and Practice 6,302,8768391What is the largest / smallest 4-digit number?983113898391What is the largest / smalLets do a practice! face to facenumber to number Lets do a practice! faceone firsttwosecondthreethirdfourfourthfiv

8、efifthsixsixthsevenseventheighteighthnineninthtententh序数词one firsttwosecondthree-twentytwentieththirtythirtiethfortyfortiethfiftyfiftiethsixtysixtiethseventyseventietheightyeightiethninetyninetiethtwentytwentieththirtythi tenthnintheighthseventhsixthfifthfourththirdsecondfirst tenthnintheighthsevent

9、hsixthfordinal numbers tenthnintheighthseventhsixthfifthfourththirdsecondfirstordinal tenthnintheighthsevent一、二、三，特殊记，加th从4起，八少“t”，九去“e”，“ve”要用“f”替，(five, twelve)见“y”变成“i”和“e”，词尾加上“th”，(twenty,thirty,ninety)若是遇到几十几，只变个位就可以。 ordinal numbers(序数词 )一、二、三，特殊记，Can you write their ordinal numbers?254412918

10、721910190 401481001000Can you write their ordinal nuDecember 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 hun

11、gry. 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:December is the _ month数词 基数词 序数词数量顺序表示数目和顺序的词叫数词。数 基数词

12、序数词数量顺序表示数目和顺序数词点击欣赏“数词之歌”数词点击欣赏考点题例一1. If a = 4, b = 5, whats the answer to the question “a + 2ab + 1=?” _. A. Forty-fifth B. Forty-five C. Twenty-three D. One hundred and twenty-one【解析】基数词表示人或事物的数量，而序数词表示人或事物的次序。考点题例一1. If a = 4, b = 5, wha2. There are 60 students in my class and 44 of them use we

13、 chat very often. 44? That means about _ of your classmates are we chat users, right? A. half B. one third C. two thirds D. three quarters【解析】表达分数时，分子用基数词，分母用序数词；分子大于1时，分母要在序数词后面加-s。在表达四分之几时，要用quarter与基数词搭配来表示(如：四分之三 three quarters)。表达二分之一时通常用one half或a half表示。2. There are 60 students in 3. There ar

14、e over _ students in their school. A. hundreds B. nine hundreds C. hundreds of D. nine hundred【解析】当基数词与 hundred, thousand, million, billion 连用，表示具体的“几百、几千、几百万、几十亿”时，这些词后不加-s。如 two hundred books, three thousand trees, four million people, five billion seconds。3. There are over _ studen112,独立成词。 one t

15、wo three four five six seven eight nine ten eleven twelve13-19,由39 + teen构成。 14fourteen 16sixteen 17seventeen 19nineteen 特殊拼写: 13 thirteen 15fifteen 18eighteen基数词的构成112,独立成词。基数词的构成2090,以-ty结尾。 20twenty 30 thirty 40forty 50fifty 60 sixty 70 seventy 80 eighty 90ninety 2199,两位数,十位与个位之间加“”。 21 twentyone

16、 55 fiftyfive 99 ninetynine2090,以-ty结尾。 101999，三位数，百位与十位/个位之间加and。 101 one hundred and one 840 eight hundred and forty 693 six hundred and ninety-three 1，000以上数目,从右向左每三位用“，” 分开,分别读为thousand , million, billion 。6,500,431,729billionmillionthousandhundredand 101999，三位数，百位与十位/个位之间加and。6基数词的用法 表示具体数目,hun

17、dred, thousand, million不用复数。表示不确定数目,用复数。即hundreds of(数百), thousands of(数千), millions of(数百万)+ 名词复数, 可以用many/several修饰，但不能与具体数目连用。 Our country has a population of 1,400 million people. After the war, thousands of people became homeless.基数词的用法 表示具体数目,hundred, thousa“几十”的复数形式可以表示： 几十多岁 in + ones + 数词复数

18、 年 代 in + the +数词复数 He died in his forties In the nineties, most people go to work by bike.“基数词+名词” 的合成形容词作定语, 中间有连字符“”,当中的名词用单数。 a 3 year old girl a seven-day holiday表计量 “基数词+度量单位+形容词” The classroom is 7 meters long, 6 meters wide and 3 meters high.“几十”的复数形式可以表示： 表示时刻 (介词用at)1)顺读法先时后分,“几点几分” 9:30 n

19、ine thirty 6:21 six twenty-one 2)逆读法先分后时 a. 表示“几点过几分”,半小时以内, 介词用past, 分钟数+past +钟点数。 10:10 ten past ten 8:20 twenty past eight 表示时刻 (介词用at)b. 表示“几点差几分”, 半小时以上, 介词用 to, 60减原分钟+ to + (下一个)钟点数。 9:50 ten to ten 7:40 twenty to eightc.15分钟：a quarter 30分钟：a half 9:15 a quarter past nine 12:30 half past twe

20、lveb. 表示“几点差几分”, 半小时以上, 介词用 to, 举一反三1.After the Asian Games, _ people came to Guangzhou for a visit during holidays. A. thousand B. thousands of C. five thousands D. thousand of2.My brother was born in _, when my grandfather was in _.A. the eighties; his eighty B. eighties; his eightiesC. the eighti

21、es; his eighties D. eighty; eighty举一反三1.After the Asian Games, _3. Its said that a new factory is being built now. Yeah. It will take _. A. one and half years B. a half and a year C. a year and half D. one and a half years3. Its said that a new facto考点题例二1. May I sit here? Sorry. _ rows are reserved

22、 for special guests. A. First three B. The three first C. The first three D. Three first2. It is reported that the United States uses _ energy as the whole of Europe. A. as twice B. twice much C. twice much as D. twice as much 考点题例二1. May I sit here?2. It 13, first, second, third 。 419, 相应基数词+th, 特殊

23、拼写: fifth, eighth, ninth, twelfth。 2090, y变成ie +th,如twentieth。 2199, 只把个位的基数词变成序数词，如twenty-first。 序数词缩写数字最后两字母， 如 1st, 2nd, 3rd ,4th序数词的构成 13, first, second, third 。基变序,有规律,一、二、三，特殊记，面目全非要注意，加th从4起，八少“t”，九去“e”，“ve”要用“f”替，(five, twelve)见“y”变成“i”和“e”，词尾加上“th”，(twenty, thirty,ninety)若是遇到几十几，只变个位就可以。序数词

24、缩写记清楚,数字后跟两字母。序数词构成规律基变序,有规律,序数词构成规律 序数词作定语，前面要加the； The first truck is carrying a food basket John lives on the fifteenth floor有时加a/an，“再一”，“又一” 的意思。 We ll have to do it a second time Shall I ask him a third time？ They had a second child in 1988.序数词的用法 序数词作定语，前面要加the； 序数词的用法分子用基数词，分母用序数词。分子大于1时，分母加

25、-s。1/4 one-fourth a (one) quarter3/4 three-fourths three quarters 2/3 two-thirds 1/2 a (one) half 半年 half a year 半小时 half an hour一年半 one and a half years one year and a half分数表示法分子用基数词，分母用序数词。分数表示法编号在前，名词在后，用序数词，前面有the编号在后，名词在前，用基数词，注意首字母大写房间号码和电话号码要一个一个分别读。第一课 The First Lesson（在句子中不大写） Lesson One第3

26、2页 the thirty-second page Page 32 / Page Thirty-two第305房间 Room 305第12路公共汽车 Bus No.12编号表示法编号在前，名词在后，用序数词，前面有the编号表示法年用基数词表示,两位一读,介词用in；日用序数词表示,介词用on。1999 nineteen ninety-nine1949年10月1日 October (the) first, nineteen forty-nine （月-日, 年） the first of October, nineteen forty-nine （日-月, 年）年份、日期表达法读作年用基数词表

27、示,两位一读,介词用in；年份、日期表达法读作表示“在世纪”, 用序数词。 在20世纪写作：in 20th century读作：in the twentieth century表示“在世纪”, 用序数词。 1) 用 times表示。 My room is three times as large as yours. 我的房间是你的三倍大小。 如果表示“是两倍数”,一般用 twice。 My room is twice as large as yours. 我的房间是你的两倍大小。倍数表达法的句型： 倍数 + as + 形容词原级或副词原级 + as倍数的表达法1) 用 times表示。倍数表达

28、法的句型：倍数的表达法2) 用-fold表示。The value of the stock has increased two- fold since we bought it. 股票的价值已涨至我们购买时候的两倍。 3) 用-%表示。The collection of our school library is 200% up compared with 1998. 我们学校图书馆藏书量与1998年相比增 长了一倍。2) 用-fold表示。 first of all 首先 by ones and twos 三三两两地 second to none 不比任何人差，首屈一指的 one by on

29、e 一个一个地 be on cloud nine高兴得飘飘然 含数词的短语你知道哪些呢？ first of all 首先含数词的短语你知道哪举一反三1. There are 50 students in our class, _ of whom have been to the Great Wall. A. two-three B. two-third C. two-thirds D. second-three2. _ of the land in that district _ covered with trees and grass. A.Two fifth, is B.Two fifth

30、, are C.Two fifths, is D.Two fifths, are举一反三1. There are 50 students i3.Americans eat _ vegetables per person today as they did in 1990s. A. more than twice B. as twice as many C. twice as many as D. more than twice as many3.Americans eat _ vegetabl小学英语语法数词ppt课件1. _ people in the world are sending i

31、nformation by E-mail every day. A. Several million B. Many millions C. Several millions D. Many millionI. Multiple choice. 1. _ people in the world a2. Many students signed up for the _ race in the sports meeting to be held next week. A. 800-meter-long B. 800-meters-long C. 800 meter length D. 800 meters length2. Many students signed up for3. It is reported that the floods have left about _ people homeless. A. two thousand B. two-thousands C. two thousands D. two thousands of3. It is reported that the floII. Fill in the blank