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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：60，70，90直接在个位数
2、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,thirty,forty,
3、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_ 读写完该节后，后有三位，
4、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?,2300439256 920030006040,2,300,439,256,two billion three hundred million four hundred and thirty nine thousand two hundred and fifty-six,twelv
5、e 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 基数+四单位，这时候，四个单位_复数变化 如若后跟名词
6、，_，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 father has got eight _stamps from a
7、ll 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，
8、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 date(年代)(3)If it is a telephone number(电话号码),one
9、 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 the nineteen forties,在21世纪10年代,in,the,s,s,-1,+1,读整十复数,i
10、n 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.12-year-old,He is eighteen years old,He is eighteen,He is an eig
11、hteen 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（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,tw
12、enty 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 _ _,7：45 _ _,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。,t
13、o,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,three forty-five,a quarter to four,six thirty-eight,twenty-two to seven,twenty fi
14、ve 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 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
15、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+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 h
16、alf 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+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
17、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 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
18、 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 metersIt 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,
19、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 more,another ten students=ten more students,1.There are over nine _ workers in the factory,but _ of young people hope to work
20、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 the 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
21、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 The 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.
22、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!,
