中考英语数字复习课件
中考英语《数词》复习ppt课件
小数表示法Leabharlann (1) 小数的读法 小数点左边的数通常按基数词读,若为三位以上的数,也 可按编码式读法读出,即将数字单个读出;小数点右边的 数通常按编码式读法单个读出。如: 6.86 six point eight six 14.15 fourteen point one five
数字的读法:
百位和十位之间要加and,如:105
基数词
基数词的用法 1)表示具体、准确的数目
4 books 104 books
注意:hundred, thousand, million等数词后不能加-s, 如:five hundred, six thousand, seven million等。
序数词
3)时刻表达方法
“时刻”用基数词表达,同时要注意以下两点。
A.表示“整点”时,在基数词后加o’clock; 9:00 o’clock. B.分钟小于或等于30分钟的,用“分钟数+past+钟点数”形式; 分钟数大于30分钟的,用“到下一个钟点所差的分钟数+to+下一个 钟点数”形式,也可以依次读钟点数和分钟数。 7:20 twenty past seven或seven twenty, 7:40 C.注意两个特殊的表示时间的单位词: 30分钟用half,15分钟用a quarter,如: 6:30 读作:half past six 5:45 读作:a quarter to six 6:15 读作:a quarter past six
(2) 小数中“0”的读法 “0”在小数中通常读作nought(英)或zero(美),也可 读作字母o。如: 0.08 (nought)point nought eight 或 (zero)point zero eight
2024年人教版中考英语复习数词(基数词+序数词+分数+各种数字相关表达法)课件
the + 序数词,表示第几个。 如果序数词前用a或an时,则表示“又一;再一”
构成规则
1/5
one fifth
分数
分子基,分母序
2/5 1/4
two fifths
分子大于1,分母加s
one fourth
a quarter
1/2
one second
a half
3/4
three fourths
three quarters
4 Today is my mother's ________ birthday. I'll buy her a gift. A.fourteen B.fourteenth C.forty D.fortieth
5 They moved to Beijing ________. A. in 1980s B. in the 1980' C. in the 1980s D. on the 1980's
Sum up
年代表达法 年龄表达法 编号表达法 倍数表达法
直击中考
1.John is 180 centimeters tall, and his daughter is 90. So he is
twice ________ her.
A so tall as
B as tall as
C much taller than
D less than
2. --- Which unit are we going to learn in our English class?
--- _________. It’s a story _________ a great scientist.
中考英语《数词》复习ppt课件
(四)“基数词-名词-形容词”Fra bibliotek 构• “基数词-名词-形容词”只能用来放到 名词前作定语。如: • She is a 3-year-old girl. • They live in a 7-storey-high building. • 注:这种结构中名词不能用复数,同时只 能作定语。用作表语时,不用连字符,名 词有复数。如: • Tony is 10 years old this year. • Tony is a 10-year-old boy.
(三)分数的表达方法
• 表示分数时,分子用基数,分母用序数, 分子大于1,分母用复数。分数修饰名词时, 后用of短语。如: • 1/3 one third of teachers • 3/7 three sevenths of the boys • 1/2, 1/4分别用 a half和a quarter表示。
二.序数词
• 1)不规则变化,记住1---10的序数词。 • 2)以-ty结尾的表示“几十”的基数词,先把y变为i,再加-eth • 3)表示“第几十几”时,十位数的“几十”仍用基数词,只把 个位部分变成序数词就行了。 • 4)除上述情况外,均在词尾加-th,如ten tenth one hundred one hundredth
4.“基数词-名词-形容词”结构
In the past twenty years, many tall buildings have been built in our city. look! This is a ______(5 分) (09年天津中考) A A. 70-floor building B.7O-floors building C. 70-floor buildings D.7O floors building • [解题技巧] “基数词+可数名词单数”中间用连字符连 接,一般用作定语修饰名词,相当于“数 词+名词所有格”.
中考英语复习课件:数词(共34张PPT )
time in
A two.three B second,three
C two,third D second third
days that you've made the
单选: 1.--How much does it cost to build the school libary?
--four yuan lon B millions C millions of数以百万级 lion of
9.--Excuse me .how can I get to Tiananmen Square?
--You can take
.
A.the first bus B.Bus NO.1
C. bus one
D.the one bus
10.Today is his A.twenty C.the twentieth
C.Five lesson D.Five lesson
8.Kate lives in
.Mine is next to hers.
A.the room five B.Room Five
C.five room D. five rooms
9.--Excuse me .how can I get to Tiananmen Square?
2.序数词 (1)序数词的构成
序数词 1-3 4-19
整十位数
构成方法
first 1st第一;second 2nd第二; third 3red第三
在相应的基数词后加-th构成, 其中四个拼写有变化;fifth; ninth;twelfth
将词尾y变i再加eth twentieth;thirteth;for贴合; fifitieth;sixtieth;seventieth;eight ieth;ninetieth
【中考英语】专题复习课件:数词(16张ppt)
六、时间表示法
2、日期 1)年代用基数词,在某年要用介词in。如: He was born in 1983. (1983读成nineteen eighty-three) 2)月份首字母要大写,在某月也用介词in,如果有年代出现, 在月份名后加年代,中间用逗号。如: It happened in January, 1999. (这事发生在1999年1月。) 3)日期用序数词(序数词前加the),在某日用介词on。如: on the first ;on the eighteenth 美国说法:顺序为先月后日。如: May 4(th)(五月四日 —— 读成 May the fourth) 4) 年月日同时出现时,年代位于最后,其前加逗号。如: Mary was born on January lst, 1990. 5) 表示“在几十年代”用 in + the + 逢十的数词复数。如: in the 1990s / 90’s / nineties
数词
•
基数词
• 序数词
一、基数词
1)53 — fifty-three 21~99 的两位数,在十位数和个位数之间加连字符构成 2) 325 — three hundred and twenty-five 101~999 的三位数由 hundred 加 and 再加两位数 或末位数
3)五千个学生 five thousand students 基数词 hundred, thousand , million, billion表示确 切数目时 不能加s; 但是:在表示不确切数目时,要用复数形式,如: hundreds of / thousands of students
Thank you!
one and a half years
中考英语专题复习课件——数词(共38张PPT)
序数词
1st = first 2nd = second 3rd = third 4th = fourth 5th = fifth 6th = sixth 7th = seventh 8th = eighth 9th = ninth 10th = tenth
11 = eleven 12 = twelve 13 = thirteen 14 = fourteen 15 = fifteen 16 = sixteen 17 = seventeen 18 = eighteen 19 = nineteen 20 = twenty 21 = twenty-one 22 = twenty-two
数词的表示法—计量表达法(身高年龄长宽高厚深)
1. 主语+be+基数词+单位词(meter, kilometer, foot, inch, kilogram等)+ 形容词. (形容词tall, old, long, wide, high, thick, deep等) 2. 主语+ be+基数词+单位词 + in + 名词. (名词length, width, height, thickness, depth等)
三、年月表示法
1. 世纪可以用 “the+序数词+ century” 表示,也可以用 “the+百位进数加’s” t表he示sixth (6th) century 公元六世纪 公元十八世纪 in the 1900’s 二十世纪 in the 1600’s 十七世纪
2. 年代用 “the+基数词表示的世纪+十 位整数的复数形式表示的年代”构成。
基数词 序数词
基数词
序数词
中考数词专题复习课件
1000以上的基数词
1000以上的基数词由千位数、百位数、十位数和个位数组 成,需要掌握每个千位数的英文表达、百位数的英文表达 、十位数的英文表达以及个位数的英文表达。
分子不为1的分数表达
总结词
分子不为1的分数表达形式更为多样,其 特点是分子不为1,分母为任意正整数。
VS
详细描述
分子不为1的分数表达形式为m/n,其中 m和n都是正整数,且m不等于1。例如, 2/3、3/4、5/7等都是分子不为1的分数 。这种形式的分数在数学中同样有着广泛 的应用,特别是在分数的乘除运算中。
数位数。
THANKS FOR WATCHING
感谢您的观看
10-99的基数词包括:10(ten), 11(eleven),12(twelve), 20(twenty),21(twenty-one), 30(thirty),31(thirty-one)等。
100-999的基数词
100-999的基数词由百位数、十位数和个位数组成,需要掌 握每个百位数的英文表达、十位数的英文表达以及个位数的 英文表达。
CHAPTER 04
倍数的表达复习
倍数的表达方式
01
02
03
直接表达法
如“A是B的C倍”,这种 表达方式简单明了,易于 理解。
乘法表达式
如“A=B*C”,这种方式 可以更直观地表示倍数关 系。
分数表示法
如“A是B的C/D倍”,这 种方式可以更精确地表示 倍数关系,尤其在比较复 杂的情况下。
中考专项复习之数词课件
第1页/共56页
基数词
第2页/共56页
1. 基数词 表示数目的词称为基数词。 其形式如下:
A.1——10
one,two,three,four,five,six
seven,eight,nine,ten.
B. 11——19
eleven,twelve, thirteen, fourteen,
2. The city changed a lot ___. A. in 1980s B. in the 1980s C. in the 1980
第15页/共56页
3. He graduated in __ of __ century. A. the sixtieth; twenty B. sixty; the twentieth C. the sixties; the twentieth
3.78 three point seven eight
第24页/共56页
1. __ of the students __ boys in Class A. Two three; are B. Two thirds; are C. Two thirds; is
2. __ of her money __ spent on clothes. A. Two three; are B. Two thirds; is C. Two third; is
2.小数,百分数的读法:
小数点读成point
3.6 读作 three point six
百分号% 读成 percent 50%读作 fifty percent
第23页/共56页
80 % 基数词 + percent
eighty percent half / (百)分数 + of + 可数名词复数 谓语动词用复数 half / (百)分数 + of + 不可数名词 谓语动词用单数
中考英语语法——数词课件(56张PPT)
ninth,twelfth。 3. 20-90把y变成ie然后加th,如twentieth。 4. 21-99的序数词变后面的各位数。 5. 序数词可以用缩写,如1st, 2nd, 3rd ,4th…
3.百分数的表达:用“基数词+percent”表示, 注意percent 不用复数形式,如:
3% three percent 50% fifty percent 百分数作主语用法同分数一样。
分数
1/3
one third
1/4
one fourth
2/5
two fifths
3/4
three fourths
百分数的用法同分数的用法
百分数+of+
(C) 单 +V单 (C) 复+V复 (U) +V单
小数
0.5 zero point five 0.32 zero point three two / thirty-two 1.6 one point six 1.72 one point seven two/seventy-two 当数值大于1时,小数点后的名词用复数。 如:1.03 meters 1.5 tons
buy_____C_____ one.
A. the third B.three C.a third D. a
中考链接
1) The __D_____question is much more difficult
than this one .
A. forth
B. forty
C. fourteen
中考英语---数词总复习PPT课件
• (5) 1,000以上的数字,从右往左数,三位一组,每三位数加一逗号 “,”;第一个“,”号前为thousand(千), 第二个“,”号前为million(百 万),第三个“,”号前为billion(十亿) 。如:
万以上的数字读法特点
❖6, 500, 431, 729
billionmillion thousand hundred
• 1. 编号表示法:(1)编号在前,名词在后,用序数词,前面有 the;(2)编号在后,名词在前,用基数词,注意首字母大写;(3) 房间号码和电话号码要一个一个分别读。如:第一课 The First Lesson(句中不大写),Lesson One; Room 305
• 2. “几十”的复数形式可以表示:(1)几十多岁 ---- in + one’s + 数 词复数(in his forties2)年 代--- in + the +数词复数in the nineties
• 这几个词前无确切数词时,则遵循“两个有”原则, 即有 “s”和“of”。
• 如: many thousands of trees, millions of birds
1. (2004年河北省中考试题) Nine ______D_ pounds a week? That’s v
2023年中考英语数词讲解课件20张PPT
数词
•数词就是表示事物的数 量和顺序的词,分基数 词和序数词两种。
一.基数词
• 表示数量多少的词是基数词,如:one, two, three等。构成方法 如下:
• 1)从1-12分别由从one到twelve12个各不相同的词表示。 • 2)从13-19均以后缀-teen结尾。 • 3)从20-90的整十数词均以后缀-ty结尾。表示“几十几”时,个
位和十位之间需加连字符,如twenty-one, thirty-two, forty-three 等。
4)数字的写法和读法:
• ⑴十位与个位之间要加连字符“-”; • ⑵百位和十位之间要加and; • ⑶三位数以上的数,从个位往前数,每三位数加一个逗号“,”,
从后往前数的第一个逗 • 号代表thousand,第二个逗号代表million,第三个逗号是billion,注意
(四)“基数词-名词-形容词”结构
• “基数词-名词-形容词”只能用来放到名词前作定语。如: • She is a 3-year-old girl. • They live in a 7-storey-high building. • 注:这种结构中名词不能用复数,同时只能作定语。用
作表语时,不用连字符,名词有复数。如: • Tony is 10 years old this year. • Tony is a 10-year-old boy.
thousands of students, millions of trees.
二.序数词
• 1)不规则变化 • 2)以-ty结尾的表示“几十”的基数词,先把y变为i,再加-eth • 3)表示“第几十几”时,十位数的“几十”仍用基数词,只把个位部
分变成序数词就行了。 • 4)除上述情况外,均在词尾加-th, 如:ten tenth
专题6 数词课件(共24张PPT) 2025年中考英语人教版一轮专题复习.ppt
an elder brother and a younger sister.
返回 目录
要点聚焦·精准导练
以下语篇中有五处错误,请找出并进行改正。 We often think the Arctic (北极) only has snow and ice. But in
fact, it has far more than that! Two third of the Arctic is the Arctic Ocean, thirds
number of students is about 3. three thousand
(三千). And about
4. three fourths (四分之三) of the students are boys. A number of
boys like playing basketball. 返回 目录
返回 目录
2. 序数词的用法
要点聚焦·精准导练
用法
示例
序数词前若无形容词性物主 The Yellow River is the second longest
代词或名词所有格修饰,要 river in China.
在序数词前加定冠词the; We’ve talked about it twice. Must we try it
thousands But now, the amount of Arctic sea ice is falling by around 3% every
year. There will be no more ice in summer in the near future.
返回 目录
专项练习·能力通关
thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen
2024年中考英语复习课件:数词
【序数词的表示法】
•
first(第1), second(第2),
third(第3), fourth (第4), fifth(第5), sixth(第
6), seventh(第7), eighth(第8), nintheventh(第11), twelfth(第12), 许多序数词是由相应的基数词后加th构成的
see the “magic cloth” woven by those two
men.
1.A 2.C 3.B
• A. two B. the second C. the two D.
second
Homework
翻译下列数字: 1、47 2、第89 5、751 6、第74 9、第923 10、第5
3、第362 4、95293 7、第1234 8、85626
• ( ) 2. A _______ boy can sing the English song very well.
• A. ten-year-old B. ten years old C. ten-yearold D. fifth years old
• ( ) 3. An hour later, ___ minister was sent to
4、 百、千、万、百万、亿 百:hundred 千:thousand 万:1万=10千 ten thousand 百万:million 十亿:billion
• 5、千位,百位 and 十位---个位 eg: 3656 three thousand, six hundred and fifty-six
• 4、the+序数词,“第....” a +序数词,“另一个...”
Exercise: 1. 第12 2. 第20 3. 第35 5. 第1234 6. 第999
初三英语中考总复习数词课件(31张)
2 01
选题的背景与意义 基数词的用法 :钟点表达(听力常考) Background And Significance
在某人20多岁时(in one's+整 十数字的复数形式)
in one's twenties
01 1
选题的背景与意义
Background And Significance
1.We planted__trees last week. A. 3hundred B.hundred of C. 3hundreds D.3hundreds of 2.There are many __stars in the sky. A.thousand B.thousands C. thousands of D.thousand 3.Several __new books were sold out last week. A.of thousand B.thousands C.thousands of D.thousand
CAC
0 4
世纪年代,某人几十岁的表达法 选题的背景与意义 Background And Significance
19世纪
in the 19th century
80年代(in+the+_整十数字 的复数形式)
20世纪70年代
in the 80s/in the 80's
in the 1970s/in the 1970's
2024年中考复习英语语法课件——数词(24张PPT)
2024年中考复习英语语法课件——数词(24张PPT)(共24张PPT)语法精讲数词数词表示数目多少或顺序先后的词叫做数词。
数词分为两大类:基数词和序数词考点1 基数词1. 基数词的基本用法用作基数词单位的hundred, thousand, million, billion 通常不带复数词尾-s,但若用于表示数百、数千、数百万这样的泛指,则用复数。
About two thousand people died in the earthquake.大约有两千人在地震中丧生。
Thousands of people go to the seaside every year. 每年成千上万的人到海滨去。
2. 表示整十的基数词的用法表示整十的基数词用复数形式可以表示人的大概岁数或某个年代。
年龄:in one ’s+基数词的复数年代:in the +基数词的复数或所有格He is in his early twenties. 他的年纪在二十出头。
This story took place in the 1930s. 故事发生在20世纪30年代。
3.dozen 和score 的用法与hundred,thousand等词基本相似。
例如:a dozen pencil一打铅笔several dozen pencils 几打铅笔three score eggs 60个鸡蛋dozen of times 许多次scores of visitors 大批游客考点2 序数词1. 序数词的构成大多数的序数词是由基数词加-th构成,如:seven—seventh, ten—tenth以-t结尾的基数词只在词尾加-h,如:eight—eighth以-ve结尾的基数词改-ve为f再加-th,如:five—fifth, twelve—twelfth 以-y结尾的基数词改-y为-ie再加-th,如:twenty—twentieth, thirty—thirtieth几十几的序数词只在个位数体现,如:twenty-one—twenty-first,thirty-three—thirty-third特殊的序数词:one—first, two—second, three—third, nine—ninth2. 不定冠词a与序数词连用序数词前加冠词a表示“再一次”。
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seven six
two three four
five
zero one two
nine
three
numbers
eight
four
seven six five
Numbers are widely used.
Hello , 86861873 ---
Can you read them ?
一千
one thousand
一万
ten thousand
十万
one hundred thousand
一百万
one million
一千 万
ten million
一亿
one hundred million
十亿
one billion
一百亿
ten billion
一千亿
ቤተ መጻሕፍቲ ባይዱ
one hundred billion
数十/百/千/百万tens/ hundreds/thousands/ millions of
tenth
fourth
ninth eighth
fifth
sixth seventh
second
first
third
tenth ninth
ordinal numbers
eighth seventh
fourth fifth sixth
❖ ordinal numbers(序数词 )
一、二、三,特殊记, 加th从4起, 八少“t”,九去“e”, “ve”要用“f”替,(five, twelve) 见“y”变成“i”和“e”,词尾加上 “th”, (twenty,thirty,---ninety) 若是遇到几十几,只变个位就可 以。
Step4:one hundred and three
What is the largest / smallest 4-digit number?
9831
1389
8 193
Let’s do a practice!
face to face number to number
second
first
third
Can you read a fraction?
1/2
three and six sevenths
1/3
one third /a third
1/4
one quarter /a quarter/ one fourth
24/25
three fourths / three quarters
3/4
twenty-four twenty-fifths
3
a half
What’s/ was the date?
1990
2010
January 1st , 2003
1900
10 22
February 14th ,1990 March 12th, 2010
2020
11808
9
September 22nd,1900 November 23rd,2020 December 25th,1808
Can you write their ordinal numbers?
2
12
72
9
19
90
5
8
18
14
40
44
100
101 1000
Practice:
•December is the _t_w_e_l_f_t_h_ month of the year. •Monday is the _s_e__c_o_n_dday of the week. •English is spoken by most people as their _f_i_r_st___
123 ,456 , 789 , 103
Step1:one hundred and twenty-three billion,
Step2:four hundred and fifty-six million, Step3:seven hundred and eighty-nine thousand,
•I’m hungry. I’ve eaten three apples. Would you please give me a_f_o_u_r_t_h_ one? •At the beginning of the _t_w_e_n_t_y_-_f_i_r_s_t_ century the
world’s population has passed 6 billion. •He got off this bus and got on a s_e__c_o_n_done.
billion million thousand
100 2,000 30,000 400,000 5,000,000 60,000,000 700,000,000 8,000,000,000 90,000,000,000 100,000,000,000
hundred
看谁译得快:
一百
one hundred
When were they founded?
PRC
July1,1921
CCP PLA
May, 1922 August 1, 1927
League
October 1,1949
The ---was founded on /in ---
课后作业:
编一篇短文,尽可能体现基数词和序数 的各种应用: 例如:时刻,日期,分数,编号等。
language in the USA, Great Britain, Australian,
and Canada. •The Games of the t_w__e_n_t_y_-_n_i_n_t_h_ Olympic in 2008
will be held in the city of Beijing.