人教新目标九年级数词专项复习教案

1、人教新目标九年级数词专项复习教案九年级数词专项复习教案一、考纲解读：1 .基数词的构成及其用法2 .序数词的构成及其用法3 分数，倍数，时刻，世纪，年月日等表示法二基数词1）最基本的基数词：A. 1 10one, two, three , four , five , six , seven , eight , nine , ten .例题1. - Where is the head teacher ?-Maybe he is in.A. Two Room B. the Two Room C. Rooms Two D. Room twoB. 11 19, eleven , twelve , th

2、irteen , fourteen , fifteen , sixteen , seventeen , eighteen , nineteen . 这里除 eleven , twelve , thirteen , fifteen , eighteen为特殊形式外，1319 皆以后缀-teen 结尾；例题1. Ten and five is.A. five B. fifty C. fifteen D. twoC. 21 99 整数几十中除 twenty , thirty, forty , fifty , eighty 为特殊形式外，sixty , seventy , ninety 都是其个 位数

3、形式后添加后缀-ty构成。表示几十几时，在几十和个位基数词形式之间添加连字符“-”21 twenty-one 76 seventy-six2090,十位数的整数均以后缀-ty结尾。例题1. At the age of, he had his own lab.A. thirty B. thirtieth C. the thirtieth D. the thirtyD.百位数个数基数词形式加“hundred”,表示几百，在几十几与百位间加上 and.101 a hundred and one320 three hundred and twenty648 six hundred and forty-

4、eight例题1. The road is over meters long.A. six hundred and fifty- twoB. six hundreds and fifty- twoC. six hundred, fifty- twoD. six hundred, fifty and twoE.千位数以上从数字的右端向左端数起，每三位数加一个逗号“，”。从右开始，第一个“，”前的数字后添加thousand ,第二个前面的数字后添加 million ,第三个前的数字后添加billion 。然后一节一节分别表示，两个逗号之间最大的数为百位数形式。2,648 two thousand

5、six hundred and forty-eight16,250,064 sixteen million two hundred and fifty thousand sixty-four5,237,166,234 five billion , two hundred and thirty-seven million, one hundred and sixty-sixthousand , two hundred and thirty-four例题1 .- Excuse me. Could you tell me how to read the number 18, 306, 211 ?A.

6、 Eighteen million, three hundred and six thousands, two hundred elevenB. Eighteen million, three hundred and six thousand, two hundred and elevenC. Eighteen millions, three hundred and six thousands, two hundreds and elevenD. Eighteen thousand, three hundred and six, two hundred elevenF.基数词在表示确切的数字时

7、，不能使用百、千、百万、十亿的复数形式；但是，当基数词表示不确切数字，如成百、成千上万，三三两两时，基数词则以复数形式出现。There are hundreds of people in the hall.大厅里有数以百计的人。Thousands and thousands of people come to visit the Museumof Qin Terra-Cotta Warriors and Horses every day .每天有成千上万的人来参观秦兵马涌博物馆。They went to the theatre in twos and threes.他们三三两两地来到了剧院。例

8、题1 .More than twenty students are having an important exam at the moment.A. thousands B. thousands of C. thousand D. thousand of2 . The man also wrote of beautiful pieces of music for the orchestra.A. hundred B. six hundred C. a hundred D. hundredsG.表示人的不确切岁数或年代、用几十的复数形式表示。He became a professor in h

9、is thirties .他三十多岁时成为了教授。She died of lung cancer in forties .她四十来岁时死于肺癌。It was in the 1960s/1960's.那是在二十世纪六十年代。例题1John began to make a living by himself.A. in his thirtyB. in his thirtiesC. in the thirtyD. in the thirties2., Coca- Cola began to enter China' s market.A. In 1970' s B. In 1

10、970s C. In the 1970s' D. In the 1970s4)基数词的用法：作主语、定语、宾语、表语或给某事物编号：Ten is a very important number.十是一重要数字。Two and three are (is)five.2+3=52加3等于5。There boys were late for school today.今天有三个男生迟到。10,000 babies will be born in the world in one minute.一分种后地球上又有10, 000个小孩降生了I wanted three but he gave m

11、e five.我想要三个，但他给了我五个。I get up before six everyday.我每天六点钟前起床。一How od are you?你多大了？一I'm fourteen.我十四岁了。What time is it?It's seven .几点钟啦？七点。Lesson One 第一课Room205第 205 房间No.27 Haidian Road海淀路 27 号例题1. 一 How many teachers are there in your school?一 ,but I'm not sure.A.Hundreds B.HundredC.Hund

12、reds of D.one hundred三序数词1)序数词的构成：一般说来是由相应的基数词加词尾-th构成。如：four+th fourth six+th sixthseven+th seventh ten+th tenth应注意下面几点：(1) 13有特殊形式：first , second , third(2)有几个词的拼法不规则：fifth , eighth , ninth , twelfth例题1. - Good news! Bill won medal in the long jump just now.-Really? That' s his one at our spor

13、ts meeting.A. a, four B. an, fourth C. a, fourth2. - How old is your son ?-. We had a special party for his birthday last Sunday.A. Nine, ninthB. Nine, nineC. Ninth, nineD. Ninth, ninth帮助记忆口诀：基变序，有规律。一二三，特殊记，结尾字母t , d, d。九减e来八去t , ve要用f替(3)十位整数的序数词构成方法是，将基数词的词尾y变成i ,然后再加-eth :twenty twentieth forty

14、fortieththirty thirtieth ninetyninetieth(4)两位或两位以上的基数词变成序数词时，仅将个位数变成序数词：twenty-one twenty-firstthirty-five thirty-fiftha hundred and fifty-three a hundred and fifty-third例题1.- Have you seen the CCTV news on TV ?Yes,children had a good festival on the Children' s Day.A. millions of , sixtyB. ten

15、million, sixtyC. millions of, sixtiethD. ten millions, sixtieth2)序数词的用法：主要用作定语，前面一般要加定冠词the。The eighth of March is Women' Day.三月八日是妇女节。此外，序数词还可作主语、宾语、表语、状语：The first lesson is easy(主语)第一课很容易Don't read from the first.（宾语）不要从第一页读。You are the third to pass the finishing line.（表语）你是第三个撞线的。例题1. I

16、 think that the century（世名己） will bring us more hopes.（陕西）A. twenty-one B. twentieth-firstC. twenty-first D. twentieth-one两位或两位以上的基数词变成序数词时，仅将个位数变成序数词，故选Q三时间表示法1时刻表示法1）时间均用基数词表示：It's just nine.刚刚九点。It's not six yet . 还不到六点。在口语中，基数词表示钟点，后面 o'clock 一词可以省略。2）几点几分表示法有两种形式：（1）先说“分”后说“点”。30分钟以

17、内，用“分钟数” +past+ “钟点数”表示几点过几分；超过 30分钟用"分钟数”+to+下一个"钟点数”表示差几分到几点。15分钟用a quarter ; 30分钟用half。如：3:15 （a）quarter past three3:45 （a） quarter to four3:30 half past three9:20 twenty past nine6:11eleven past six1:55 five to two8:35 twenty-five to nine注意：1、只有在指几点钟时才用o'clock ，如可以说ten o'clock

18、（十点钟），不可说ten past seven o'lcock（七点十分）。2、15 分钟是 a quarter , 30 分钟是 half ,不可用 fifteen 代替 a quarter, thirty 代替 half 。（2）连用两个基数词，第一个表示“点钟”，第二个表示“分钟”，这种读法与汉语相同：1:15 one fifteen 2:30 two thirty3:5 three five 5:40 five forty例题1. - It ' s 7 : 45.Yes, it ，s.A. a quarter past sevenB. a quarter to eigh

19、tC. fifteen past seven o'clock D. seven fifteen o'clock年、月、日表示法1）年的读法：用基数词，分成两位一读：1949 nineteen forty-nine1999 nineteen ninety-nine2）月份的名称要大写：一月 January 二月 February3）日期：用序数词表示，前面可加the,也可省略：10 月 1 日 October（the）first3 月 8 日 March eighth4）年、月、日的顺序：年、月、日的英语顺序是月、日、年：1949 年 10 月 1 日 October（the）f

20、irst nine-teen forty-nine1999 年 5 月 5 日 May 5,1999注意：表示“在哪年哪月“用介词 in，如in , in May ;表示“在具体的某日"用介词 on,如on March 8 。例题1. February 28 should be read as.A. February of the 28 thB. February of 28C. 28 of FebruaryD. the 28th of February2. The story happened.A. in July 9, 2003B. on July 9th, 2003C. in

21、2003, July 9D. on 2003, 9th July","A比B长（宽，高，大，重等） 倍"，可用下列几种句型。倍"或四倍数表达法用英语表达"A是B的倍长（宽，高，大，重等）"A的长度（宽度，高度，大小，重量等）是B的1 ."A + be + 倍数+ as + 计量形容词原级 + as + B".This tree is three times as tall as that one.这棵树是那棵树的三倍高。His father is twice as old as he.他父亲的年纪有他两倍大。2 .

22、"A + be + 倍数+计量形容词比较级 + than + B "The Yangtze River is almost twice longer than the Pearl River.长江差不多比珠江长两倍。The dictionary is exactly five times more expensive than that one.这本字典比那本恰好贵5倍。3 ."A + be + 倍数 + the + 计量名词 + of + B "The newly broadened square is four times the size of t

23、he previous one.新扩建的广场是未扩建时的四倍大。例题1. The house rent is expensive. I've got about half the space I had at home and I'm paying here.A. as three times muchB. as much three timesC. much as three timesD. three times as much2. Americans eat vegetables per person today as they did in 1910.A. more t

24、han twiceB. as twice as manyC. twice as many asD. more than twice as many五分数表示法1 .分数是由基数词和序数词一起来表示的。基数词作分子，序数词作分母，除了分子是"1"以外，其它情况下序数词都要用复数形式。3/4 three fourths 或 three quarters1/3 one third 或 a third24/25 twenty-four twenty-fifths3 1/4 three and one fourth 或 three and one quarter1/2 a half1

25、/4 one quarter 或 a quarter1 1/2 one and a half2 1/4 one and a quarter3 .当分数后面接名词时，如果分数表示的值大于1,名词用复数；小于 1,名词用单数。1 1/2 hours 一个半小时(读作 one and a half hours )2 3/4 meters二又四分之三米(读作 two and three-fourths meters )4/5 meter五分之四米5/6 inch六分之五英寸例题1. About of the workers in the factory were born in the.A. two-

26、 third, 1970B. two- thirds, 1970sC. two- third, 1970D. two-third, 1970s2. It took me to find the key to the drawer.A. one and half hoursB. one and a half hoursC. one and a half hourD. one and half hour六数量表小法1 .表示长、宽、高、面积等，用基数词+单位词(meter, foot , inch , kilogram 等)+形容词(long , wide , high等)表示，或者用基数词+单位

27、词+ in + 名词(length , width , height , weight等)表示。two meters long 或 two meters in length 2 米长This box is 2 kilograms in weight.这个盒子有两千克重。The Great Green Wall is about 7,000 kilometres long, and between 400and 1,700 kilometreswide.绿色长城有 7, 000公里长，400到1700公里宽。2 .表示时间、距离时，使用含数词的名词所有格形式作定语。five minutes

28、9; walk 步行五分钟（的距离） It's three kilometers' walk from our school to the Bell Tower. 从我们学校到钟楼有三公里远。例题1. The tall building is tall.A. fourteen meter B. fourteen meters C. four meter D. four meters强化练习1.1. Is this your visit to my hometown,Zunyi?No.I've been here for many times.A.oneB.the fir

29、stC.first2. All the visitors live on floor.A. twoB. secondC. the second3. Now, everybody, please turn to Page and look at the picture.A. Fifth; fiveB. Five; fifth C. Fifth; fifth4. I don ' t believe that this boy can paint such a nice picture.A. five years old B. five-years-oldC. five-year-old5. Football is so exciting that people in the world play it.A. million ofB. millions ofC. two millions of6. . There are over students in their school.A. hundredsB. nine hundredsC. nine hundred7. . Of the land is covered with trees and grass in Pingjiang, Y ueyang.A. Three fives B. Three fifths C. Thr