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1、Welcome To No.6 Middle School,Taught by EllenNo.6 Middle SchoolMay . 10,中考专项复习四之数词,考点直击,1. 数词的种类.,3. 基数词的用法.,2. 基数词的拼写.,Revision aims,一知识目标,二能力目标,能够在各类题型中正确使用基数词.,数词,基数词,序数词,（表示数目多少）,（表示顺序先后）,Guide 1,Guide 2 基数词的构成规律,1-12_记 13-19以_结尾 注意： 14，16，17，19 都是在个位数后直接加_ 13,15,18,需要特殊记:_整十的基数词以_结尾。 注意：60，70，9
2、0直接在个位数词后加_ 20,30,50,80 特殊记_ 40一定要注意，必须去_, 再加_几十几需要在十位和个位之间加_ 几百零几，几百几十几，要在百位后加_,特殊记,teen,teen,thirteen, fifteen, eighteen,ty,ty,twenty,thirty,fifty,eighty,u,ty,连字符-,and,Practise 1,、七、二、八、五、十二、十一、三,、十三、十五、二十、五十、三十、四十、百,看谁译得快：,seven,two,eight,five,twelve,eleven,three,thirteen,fifteen,twenty,fifty,thi
3、rty,forty,hundred,forty-five,3145576689,thirty-one,fifty-seven,sixty-six,eighty-nine,457,890,608,389,three hundred and eighty-nine,four hundred and fifty-seven,eight hundred and ninety,six hundred and eight,12位数之内的读写,1 先_,从右往左，_. 2 从高位起读写（即从左往右读写），每节是多 少就读写多少， 其后加_ 读写完该节后，后有九位，加单位_ 读写完该节后，后有六位，加单位_
4、读写完该节后，后有三位，加单位_ 3 添加and的情况： _之间加and 如果十位为0，_之间加and 节前有0，_. 节后无论几个0，读写一个_,注意：千百之间 不加and,分节,三位一节,单位,billion,million,thousand,百位和十位,百位和个位,不读,and,Practise 2 Can you read them?,230043925612345678901 920030006040,2,300,439,256,two billion three hundred million four hundred and thirty nine thousand two hu
5、ndred and fifty-six,twelve billion three hundred and forty-five million six hundred and seventy eight thousand nine hundred and one,12,345,678,901,920,030,006,040,nine hundred and twenty billion and thirty million and six thousand and forty,复习：Hundred/thousand/million/billion,1 前有具体的基数时，四个单位做_词。 即 基
6、数+四单位 ，这时候，四个单位_复数变化 如若后跟名词，_，或者加上_再跟名词。 基数+四单位 .百/千/百万/十亿 基数+四单位+名词 .百/千/百万/十亿. 基数+四单位+ of the +名词 200 _ 200名学生 _ _2 前无具体的基数，四个单位或者单独用，或者是概数修饰，这个时候，四个单位为_词。这时，四个单位必须加_.其后若跟名词，必须加上_.,数,名,直接加,two hundred,of the,two hundred of the students,无,two hundred students,of,s,数百万_数百万._数百万棵树_一些百/几百_许多千_,1. My f
7、ather has got eight _stamps from all over the world. A. hundreds B. hundred C. hundreds of 2. The concert attracted _ students last night. A. thousand B. two thousands C. thousands of,B,C,millions,many thousands,some/a few/several hundreds,millions of trees,millions of.,Guide 3 想一想什么时候用到基数词？,1 表示数量时
8、2 年用基数词表示3 在多少世纪多少年代4 表示年龄时5 表示钟点时6 百分数，小数，分数7 其他的固定用法,基数复习之一：年份的表达法,1875-,eighteen seventy-five,年份读法1 要用基数词，每两位一读，如果年份以00结尾， 用hundred表示。2 看成数字读,1997-,nineteen ninety-seven,1682-,sixteen eighty-two,1900-,nineteen hundred,2000-,two thousand/twenty hundred,1509,If it is an amount(数量)(2) If it is a dat
9、e(年代)(3) If it is a telephone number(电话号码),one thousand five hundred and nine,fifteen zero nine,one five zero nine,“0” 在英语里读成 “o” or “zero”,基数复习之二：世纪年代表达,在多少世纪多少年代：因为是一段时间，所以用_因为特指，所以加_因为年代为10年，所以加_, 也可以加_世纪读写译要特别注意：,写英文时需_译汉语时需_读英文时年代需_,eg: 在20世纪40年代_ in the 2010s_,in the 1940s / in the 1940s读作in t
10、he nineteen forties,在21世纪10年代,in,the,s,s,-1,+1,读整十复数,in the +世纪年代（年代加s/s）,基数复习之三： 年龄的表达,1 他18岁了_ _ _2 有关年龄的固定短语： 在某人多少岁时_ 在某人几十多岁时_,eg. 1Tom could play the piano _(在6岁时)2 Susan got married _（在她30多岁时）3 A _schoolboy, Li Ming, played the piano at the end of the party. A. 12-year old B. 12-years-old C.
11、12-year-old,He is eighteen years old,He is eighteen,He is an eighteen year-old boy,at the age of,in ones +整十的复数,C,in her thirties,at the age of 6,基数复习之四：钟点表达法,1 _法：先读小时，再读分钟，数字是几读几。零读_;整点可以加上_ 4:00 _ 4:05_ 4:30_ 4:46_2 _法：先读分钟，再读小时.此法必须借助于介词past或者to。具体为： (1) 小于或者等于30分时，用介词_（过） 分钟+past+时钟 几点过几分 5:10（
12、5点过10分）读成 2:02 （2点过2分） 读成 8:26 （八点过26分）读成,ten past five,two past two,twenty six past eight,four zero/o five,four/four oclock,oclock,zero/o,顺读,four forty-six,four thirty,逆读,past,(2) 大于30分用介词_ （中文译为“差”）如：7：47 （差13分到八点） 读成 1：58（差2分到两点） 读成,two to two,thirteen to eight,注意：半小时还可以用_; 15分钟还可以用_,9:30 _ _,7：4
13、5 _ _,说明:使用逆读法, 15分、45分不用fifteen minutes,30 分不用thirty minutes, oclock只用于整点之后。,to,quarter,half,nine thirty half past nine,seven forty-five a quarter to eight,即：60-分钟数 +to+钟点数+1：中文译为：差几分到几点,Practise :Can you read them?,1:30 2:15:3:456:387:259:50,one thirty,half past one,two fifteen,a quarter past two,
14、three forty-five,a quarter to four,six thirty-eight,twenty- two to seven,twenty five past seven,seven twenty-five,ten to ten,nine fifty,基数词复习之五：百分数和小数,1 百分数表达：百分之几_百分之几的._注意：百分数作主语，谓动取决于_,eg:40%_ 40%的学生_ eg, Eight-five percent of the girls _(study) hard. Thirty percent of the time _(have) been used
15、up.,2 小数表达：小数点前是几读几，小数点后的数字要_ 小数点读作：_,eg 12.365 读写作：_ 3.06 读写作:_,of后的名词,forty percent of the students,forty percent,基数词+percent+of,基数词+percent,study,has,依次读,point,twelve point three six five,three point zero six,基数词复习之六：几个半的表达,1 一.半 one+and +a half +_ one/a /an +_+and a half,eg 一个半小时_ _,2 几.半 数词+and
16、 +a half +_ 数词+_+and +a half,eg 两个半小时_ _,one and a half hours= one hour and a half,two and a half hours= two hours and a half,The old man drank_(一瓶半) of beer.,名词复数,名词单数,名词复数,名词复数,one and a half bottles one/a bottle and a half,基数词复习之七：倍数表达法,1 一倍_;两倍_; 三倍以上_.2 A是B的多少倍： _ _ _,A +be+倍数+as +adj+as +B,A +
17、be+倍数+the +n+of +B,A +be+倍数+adj比 +than +B,这条河宽是那条河的三倍/这条河比那条河宽两倍_,The river is three times as wide as that one The river is three times the width of that oneThe river is twice wider than that one,once,twice,基数词+times,eg.1. This building is _ that building. A. three time as tall as B. twice taller as
18、 C. three times as taller as2. 我的箱子比你的重六倍! My box is _ yours.,six times heavier than,seven times as heavy as,seven times the weight of,基数词复习之八：计量法,1主语+be + 基数+metres/kilometers +(长宽高深厚远.) 2 主语+be+基数+kilos/pounds +heavy,这棵树八米高_,The tree is eight meters tall/in heightThe height of the tree is eight me
19、tersIt s an 8-meter-tall tree,=in length/ width/height/depth/thickness/.,long/wide /high/tall /deep/thick/away.,基数词其他热门考点,1 十分钟的步行/骑乘/驾驶 _/.2 在原来的基础上再多. _ eg.再多一个_ 再多一本书_ 再多十个 _ 再多十个学生_,ten minutes walk/ ride/drive,数词+more=another+数词,another one=one more,another book =one more book,another ten=ten m
20、ore,another ten students= ten more students,1. There are over nine _ workers in the factory, but _ of young people hope to work in it. A. hundred; hundreds B. hundreds; hundreds C. hundreds; hundred D. hundred; hundred2. The city changed a lot _. A. in 1980s B. in the 1980s C. in the 19803. He got t
21、he prize _. A. in his fifties B. in fifties C. in his fifty Its already 7:40 now. When will the film start? _. We still have five minutes. A. A quarter to seven B. Seven past forty-five C. A quarter to eight5 He came to China _. A. at the age of 20 B. when he is 20 C. at age of 20,Test in class,6 Th
22、e river is about _. A. 6,000 meters long B. 6,000-meters-long C. 6,000-meter-long7Have you finished your report yet？ No，I will finish it in 10 minutes A.another B.Other C.more D.less 8. Every day the old woman sits here for _. A. one and half hour B. one and a half hour C. one hours and a half D. one and a half hours9. She has _ （十个月大）baby.,a ten-month-old,1 总结序数词的变化规律2 归纳序数词的用法 下节课比一比,Homework,教师寄语,1 Two heads are better than one 2 Four eyes see more than two,三个臭皮匠赛过诸葛亮,集思广益,So much for today!,
