中考英语二轮复习课件：数词

这是一份中考英语二轮复习课件：数词，共39页。PPT课件主要包含了 数词， 序数词， 基数词，数词的考点，Exercise ，Summary，Homework等内容，欢迎下载使用。
(Cardinal numbers)
(Ordinal numbers)
描述事物数量多少的数词
ne, tw, three, fur, five, six...
first, secnd, third, furth, fifth, sixth..
2. 基数词变序数词的规则
twenty-first
eighty-fifth
ninety-ninth
a hundredth
基变序，有规律，词尾加上-th。一二三，特殊记(first, secnd, third)；八加h，九去e, f来把ve替，整十改y为ieth,若是遇到几十几，只变个位就可以。
3. 基数词变序数词口诀
用所给数词的适当形式填空I have tried three times, and the teacher asks me t have a _______ (fur) try. Even a child knws September is the _______ (nine) mnth f a year. I’ve bught a present fr my father’s _______ (fifty) birthday.
the+序数词(序数词前有形代或名词所有格时省略the)。P142 ① ③ He made the mistake fr the third time. = It was his third time t make the mistake.
Even thugh the Greens have 3 children, they still want a furth ne.
2）a/an+序数词表示“又一，再一”P142 ④
4）先序后基 P143 ⑤
the first three paragraphs f this article.
5）the +序数词+形容词最高级+n单 “第...最...” P143 ⑥
The yellw river is the secnd lngest river in China.
二、读数：206 460
一.定义：表示数目的词叫基数词。
tw hundred and six
fur hundred and sixty
百位与十位间用and连接
百_______ 千________ 百万__________ 十亿________6, 863 365, 261
six thusand, eight hundred and sixty-three
three hundred and sixty-five thusand, tw hundred and sixty-ne
确切数与概数词 P143 ④
数百只动物成千上万个人
hundreds f animals
thusands f peple
注意：hundred, thusand, millin, billin 前有数字不加-s，后有f要加-s。
3. There are ver nine ____ wrkers in the factry, but _____ f yung peple hpe t wrk in it. A. hundred f ; hundreds B. hundred ; hundreds C. hundreds ; hundred
Mummy Pig and Daddy Pig gt kids in their twenties. Nw Peppa is eight years ld/at the age f eight. Gerge is a five-year-ld by.
辨析: in 1990 ___________________ in the 1990s _________________
在某人几十岁的时候_______________________
in ne's + 整十的复数
five years ld _____________five-year-ld _____________five-year-lds _____________
5岁（前面有be动词）
at the age f... 在多少岁时
1. Wu Dajing, a ____ Chinese skater, set a new wrld recrd at the Shrt Track Wrld Cup last year. A. 25-years-ld B. 25-year-lds C. 25-year-ld D. 25 years ld2. —Many yung peple came t Dngguan in _______. —Yes. My father was ne f them. He came here in his_______. A. 1990s; twenties B. 1990s; twenty C. the 1990s; twenties D. the 1990s; twentieth
顺读法 逆读法7:15 seven fifteen a quarter past seven2:30 tw thirty half past tw10:40 ten frty twenty t eleven11:45 eleven frty-five a quarter t twelve
half past ...半
1.— It’s already 7:40 nw. When will the film start? —_______. We still have five minutes. A. A quarter t seven B. A quarter t eight C. Seven past frty-five
tw and a half hurs= tw hurs and a half
ne and a half hurs= ne hur and a half
1. The by always stays there fr __. A. three and half hur B. three hur and a half C. three and a half hurs
2）分数的表达 P143 ⑤
总结：分子基数词，分母序数词(可有短线连接)， 分子大于1，分母加-s; 谓语动词的单复数由分数后的名词来决定。
ne/a third（1/3） seven ninths(7/9) three-fifths(3/5)three /furths/quarters(3/4) a/ne half（1/2）eg. Three fifths f the students in ur class are frm the cuntry.
1. _______ f the land ______ cvered with trees and grass.A. Tw fifths; are B. Tw-fifth; are C. Tw-fifths; is
—There are 60 students in my class and 40 f them use wechat very ften. —40? That means _______ f yur classmates are Wechat users, right? A. a half B. ne thirdC. tw thirds D. three quarters
in twenty twenty-tw
in tw thusand and eight
在2022年12月17日
n the seventeenth f December，2022
1. The accident happened n___. A. April 9th, 1997 B. 1997, April 9th C. April 1997, 9th
2. I was brn ___. A. in March 8th, 2003 B. n July 9th, 2004 C. n May, 2005
6）小数和百分数的读法
1. 小数，小数点前按基数词的读法读，后面的数单个读，小数点 pint. 22.56 twenty-tw pint five six 99.99 ninety-nine pint nine nine 2. 百分数，在数后面加percent eg: 15% fifteen percent 60% sixty percent
序号在前用序数词，序号在后用基数词(首字母大写)
the secnd lessn
the fifth page
There are _______ days in a week and Sunday is _______ day f the week. A. seven; first B. seven; the firstC. seventh; ne D. the seventh; ne
Seven _______ students in ur schl are frm cuntryside. A. hundreds B. hundred C. hundreds f D. hundred f
Lisa wrte his _______ nvel when he was _______. A. five; fifties B. fifth; fifty C. fifth; fiftieth
He gt a gd gift n his _______ birthday. A. furteenth B. frties C. the frtieth
I dn’t believe that this _______ by can paint such a nice picture. A. five years ld B. five-years-ld C. five-year-ld
Abut _______ f the students in Grade Nine this year were brn in the _______. A. three five; 2000 B. three fifths; 2000s C. third fifth; 2000 D. third fifths; 2000s
—If a=4, b=5, what’s the answer t the questin “a+2ab+1=? ”— _______. A. Frty-fifth B. Frty-five C. Twenty-three D. One hundred and twenty-ne
7.The river is abut ____. A. 6,000 meters lng B. 6,000-meters-lng C. 6,000-meter-lng8.It is a ______ river. A. 6,000 meters lng B. 6,000-meters-lng C. 6,000-meter-lng
1. Review the key pints . 2. Finish the Exercise Bk.