2025年人教版中考英语复习数词的分类课件（共36张PPT，内嵌音频）

(共36张PPT)
数词
numeral
Contents
2
3
4
1
基数词、序数词、（分数、
小数、百分数）
基、序数词的用法
数词的句法功能
习题检测
数词
什么是数词？
表示事物数量的多少或先后顺序的词。
数词分为基数词和序数词两类。
基数词：表示数量多少的词，如：one, two, three等。
序数词：表示数目顺序的词，如：first, second, third等。
Part
ONE
1
基数词、序数词、分数、
小数、百分数
1.基数词cardinal numbers
one
two
three
four
five
six
seven
eight
nine
ten
eleven
twelve
构成方式
【1】1-12各不同
thirteen
fourteen
fifteen
eighteen
nineteen
【2】13-19均以后缀-teen结尾。
twenty
forty
fifty
eighty
ninety
【3】20-90整十位均以后缀-ty结尾。
twenty-one
thirty-two
forty-three
【4】20-90表几十几，只变个位就可以，别忘了个位前加连字符。
1.基数词
构成方式
【5】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，英式英语要加and,美式英语则不用。
Eg.320 three hundred and twenty
120
one hundred and twenty
1.基数词
构成方式
【6】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。
8 , 0 3 0 , 1 0 5
million
thousand
thirty
one hundred
and five
eight
1.基数词
构成方式
注：hundred, thousand, million, billion的用法
1)当放在具体的数字后边时,表示具体 的“百、千、百万、十亿”时,不能用复数形式,可以直接修饰名词复数,如: 200: two hundred， two hundred students
2)当表示大概的“几百、几千、几百万、几十亿”时,前边不能用具体的数字或表示不确切时,用“复数形式+of”结构，如：数百学生 hundreds of students
口诀：前有数字，无s无of；
前无数字，加s加of.
Practice
口诀：前有数字，无s无of；
前无数字，加s加of.
( )3.Basketball is so exciting that ________ people play it for fun.
A Three millions B. millions of
C. millions D. Three millions of
B
3458764
63
100
2023
50
19
186
7
857
600
10000
PRESS
Practice
Read and write.
1. —What’s twenty and fifty —It’s_____ .
A. fifty B. seventy C. eighty D. ninety
2. —People in our town planted ______ trees on Tree Planting Day.
— Good job! Everyone can do something to make our town greener.
A. hundred B. hundred of C. hundreds D. hundreds of
3. It’s reported that nearly _____ foreign kids joined a British boarding school last year, and a third of them came from China.
A. nine thousand B. nine thousands
C. nine thousand of D. nine thousands of
B
D
A
Practice
2.序数词ordinal numbers
1、基本形式：
1,2,3，特殊记；
8去t,9少e;ve要用f替;
见y变成i和e,后加th莫忘记；
若是遇上几十几，只变个位就可以。
BAY
MAX
Big Hero 6 is a 2014 film about the story of a young robotics prodigy named Hiro Hamada.
I will always be with you.
Tadashi
I will always be with you.
hiro
I will always be with you.
2.序数词
1) 序数词第一、第二和第三为first,second和third,其他序数词的构成是在基数词后加th。例如：
six→sixth seven→seventh ten→tenth four→fourth
2) fifth(第五)、 eighth (第八)、 ninth (第九)和twelfth (第十二)在拼法上有变化。 3) 二十、三十等基数词变为序数词时,要把y变成ie再加-th。例如：
twenty→twentieth forty→fortieth
4) 基数词几十几变成序数词时,表示几十的数词不变,只把表示几的基数词变成序数词。例如：
twenty-one→twenty-first forty-five→forty-fifth
5) 第一百、第一千、第一百万、第十亿都是在基数词后直接加 th构成。例如：
第一百→hundredth 第一千→thousandth 第一百万→millionth 第十亿→billionth 6）序数词的缩略形式是由阿拉伯数字加序数词的最后两个字母构成。例如：
1st,2nd,3rd,4th,21st,32nd,40th
1. My grandparents live in an old apartment with_____ floors and they are
on the_____ floor.
A. five; five B. five; fifth C. fifth; fifth D. fifth; five
2.My mother will be_____ years old next week. I’m planning to buy a gift for her_____ birthday.
A. fourty; fourtieth B. forty; fortieth C. fourty; fortieth D. forty; fourtieth
3. —I like the number “9” best, because I think it stands for “long lasting”.
—Me, too. So I choose_____ floor to live on.
A. nine B. ninth
C. the nine D. the ninth
B
B
Practice
D
分数由基数词和序数词合成。分子用基数词，分母用序数词。分子是1时，分母(序数词)用单数形式；分子大于1时，分母用复数形式，序数词加-s。读带分数时，先读整数部分，再读分数部分。
3.分数
Two thirds of students are girls.
Two thirds of food has been eaten.
=two thirds=two out of three/ two in three
Practice
3
4
( ) A. three fours B. three fourths
1
8
( ) A. one eighth B. one eight
5
12
( ) A. five twelfths B. fifth twelfths
B
A
A
整数与小数之间用小数点隔开。读小数时,每位数字(特别是小数点后面的)要单独读出。小数点读作point(点)，零读作zero(或naught)。如果整数是零,往往不读出。
4.小数
Eg: one point five (1.5)
ten point three five eight(10.358)
Practice
4.7
10.7802
0.3727
four point seven
ten point eight seven zero two
zero point three seven two seven
58%
9%
23%
10%
5.百分数
在英语中，百分数通常用“基数词＋percent”来表示。如：
ten percent
nine percent
fifty-eight percent
twenty-three percent
Part
TWO
2
基、序数词的用法
构成：①基数词＋years old
②in+one's＋基数词复数
③at the age of+基数词
Eg:16 years old，in one's fifties，at the age of 5.
表示几十年代,“in the +基数词复数”
在 20 世纪 80 年代: in the 1980s = in the 1980's
1.表年龄
一.基数词的用法
2.表年代
类型 时刻 顺读法 逆读法 逆读法构成方法
整点 6：00 six (o'clock) / /
正好 30 分 6：30 six thirty half past six half past＋钟点数
一刻钟 6：15 six fifteen a quarter past six a quarter past＋钟点数
三刻钟 6：45 six forty-five a quarter to seven a quarter to＋(原钟点数＋1)
少于 30 分钟 6：05 six o five five past six 分数＋past＋钟点数
超过 30 分钟 6：52 six fifty-two eight to seven (60-原分钟数)＋to＋
(原钟点数＋1)
口诀：小于30用past，大于30用to;
先分再时，past时不变to时加1。
3.表时间
in 2023 (in twenty twenty-three)
2023
in July
on 1st July,2023
年
四位数年份常分为两组来读；年份前用介词 in；
月
首字母要大写，月份前用介词 in；
日
年、月、日连用时常在年份前加逗号，
具体到某天介词用 on。
4.表日期
1.序数词前一般要加定冠词 the。
Can you give me the second chance
二.序数词的用法
2.表示“又一，再一”时，序数词前一般要加定冠词 a/an（相当于another）。
Can you give a second chance
3.下列四种情况，序数词前不用冠词：
①序数词前已有物主代词或名词所有格时，不能再用冠词。
This is Mary’s second visit to China.
②表示比赛或考试的名次时，通常
省略定冠词。
He was (the) first in the English exam.
③序数词被用作副词时不用冠词。
I have to finish my homework first.
在某些习语中，不用冠词。
at first 起初；first of all 首先；
at first sight 乍一看。
This room is twice as big as that one.
Tom runs three times faster than I do.
This rope is three times the length of that one.
1.倍数+as+adj.(adv.)+as 是…几倍大，比…多…几倍（as…as 和…一样…)
2.倍数+adj.(adv.)比较级+than 比…大（快、多…）…倍
3.倍数+the size(height,length,
width…)+of 是…的…倍
其他用法
表倍数
1倍 once
2倍 twice
3倍 three times 多倍基数词+times
中文 英语 用法
第一课/ 第二单元 Lesson One/1＝the first lesson Unit Two/2＝the second unit (1)名词＋基数词＝
the＋序数词＋名词
(注意大小写)
(2)如果编号的数字
比较长，一般用“名
词＋基数词”表示
第8页 Page Eight/8＝the eighth page
37路公交车 Bus No.37＝the No.37 bus
520 房 Room 520
九年级 6 班 Class 6, Grade 9 ＝Class Six,Grade Nine
第二中学 No.2 Junior High School
其他用法
表编号
Part
THREE
3
句法
功能
1、作主语
Eight is my lucky number.
2、作定语
It was the third time
I had been there.
3、作表语
Five plus seven is twelve.
4、作宾语
The dress cost me several thousand.
5、作同位语
We two can help you.
Part
THREE
4
习题
检测
I.写出下列数词。
5________________ 90_____________ 115_____________ 200___________
nine___________ twelve ___________ eight ___________ twenty-one___________
five +seven=______________ six+______________=ten
five +six =______________ ______________-seven =three
______________-five=four fifty -______________=five
tenth _____________（写基数词） twentieth _______________ （写基数词）
nineteenth_______________ （写基数词） thirty-first _______________（写基数词）
Practice
1. ___ of the sand in that area ____ covered with trees and grass.
A. Two fifths, are B. Two fifth are C. Two fifth, is D. Two fifths, is
2. About___ of the teachers in our school were born in the ____.
A. three five:1996 B. three fifths: 1990s C three fifth: 1997 D third fifths: 1990s
3.I hear your friend is visiting Sanya again, Is it the second time for him
--Yes, and he will come for ___ time next spring.
A. a third B. a second C. the third
4.—lf a=4,b=5, what's the answer to the question "a+2ab+1=
---_____.
A. Forty-fifth B. Forty-five C. Twenty-three D. One hundred and twenty-one
D
B
A
B
Practice
II.单项选择。
5.____ the students in our school are girls.
A Three hundred B. Three hundred of C. Three hundred D. Three hundreds of
6. He is only _ _ boy. He isn't old enough to take care of himself.
A. a 8-year-old B a 8-years-old C. an 8-year-old D.an 8-years-old
7. I think _of the materials listened to at the beginning of the exam ___ easy.
A. three fourths, is B. third four, are C three fourths, are D three fourth, are
B
c
D
Practice
Practice
ⅡI.单词拼写
1．September is the _______(第九) month of a year.
2．Though Ann won _ _ (第三) place in the running race，she felt happy.
3．To make a soccer team，we need ____________(二十三) players in all.
4．My grandpa is _________(八十) years old. He keeps doing exercise every day.
5．She is nineteen，and next year she is going to celebrate her ___________(第二十) birthday.
ninth
third
twenty three
eighty
twentieth
IV.用括号中所给单词的适当形式填空
1．Lily visited Baise twice. The _______ (one) time is in summer and the second(two) time is in winter.
2．My cousin got a story book from Tina on his _________(eight) birthday.
3．He retired(退休) on his _________(sixty) birthday.
4．We printed two _________(hundred) and sixty invita tions.
5．Our English teacher is in his ____________(thirty).
first
eighth
sixtieth
hundred
thirties
Practice
THANKS
Practice makes perfect!