7b unit 1 grammar cardinal numbers( 基数词 ) ordinal numbers( 序数词 )
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7B Unit 17B Unit 1 Grammar Grammar
Cardinal numbers(Cardinal numbers( 基数词基数词 ))
Ordinal numbers(Ordinal numbers( 序数词序数词 ))
7B Unit 17B Unit 1 Grammar Grammar
Cardinal numbers(Cardinal numbers( 基数词基数词 ))
Ordinal numbers(Ordinal numbers( 序数词序数词 ))
We use cardinal numbers almost every day.
No.11 Bus No.28 Shangwuneihuan Road
Page 19 10 yuan
12:30
139 1507 6753
Let’s read from o to 9.
0 1 2 3 4 5
zero one two three four five
6 7 8 9
six seven eight nine
Let’s read from 10 to 100.
10 11 12
13 14 15 16 17 18 19
20 30 40 50 60 70 80 90
twenty
thirty forty fifty sixtysevent
yeight
yninet
y
100
one hundred
21 22 23
twenty-one
twenty-two
twenty-three
ten eleven
twelve
thirteen
fourteen
fifteen sixteen seventeen
eighteen
nineteen
Can you read the numbers?
102 (one hundred and two)239 (two hundred and thirty-nine)
13 (thirteen)
45 (forty-five) 33 (thirty-three)
82 (eighty-two)
91 (ninety-one)
14 (fourteen)
Can you read the numbers?
• 911• 715• 422• 554• 218• 609• 999
nine hundred and eleven
seven hundred and fifteenfour hundred and twenty-twofive hundred and fifty-four
two hundred and eighteen
six hundred and nine
nine hundred and ninety-nine
large numbers
1,000
one thousand
10,000
ten thousand
100,000
one hundred thousand
1,000,000
one million
How do we say it?
• 4,056= ___ thousand and ______• 23,813= ___________ thousand, __________________ • 567,110= ______________________ thousand,
__________________• 6,425,200= __ million, _________________ _________ thousand,__________
four fifty-six
twenty-three eight hundred and thirteen
five hundred and sixty-seven one hundred and tensix four hundred and
twenty-five two hundred
10 , 120ten thousand, one hundred and twenty
4, 030, 953
five hundred and forty-nine million , three hundred and ninety thousand and eighty
549 , 390, 080
four million, thirty thousand, nine hundred and fifty-three
• 0• 12• 13• 15• 18• 30• 32• 45
• 100• 1,000• 10,000• 1,000,000
• 302,100,004
People from about 180 countries and areas live in New York.
The CN Tower is 1,815 feet tall.
Red Square in Moscow is about 91,000 square metres in size.
France has an area of over 260,000 square miles.
There are about 8,000,000 people living in London.
Tokyo, the capital of Japan , has over 13,000,000 people.
1.How old are you?
I’m __________.fourteen
It is my ___________ birthday.fourteenth
2.There are ___________ (20) floors in my flat.
I live on the ___________(20) floor.
twenty
twentieth
3.There are ________ (2) children in my family
I am the _________ ( 2 ) child of my family.
two
second
4.Thursday is the _________(5) day of a weekfifth
小发现: 1. 序数词用来表示第几或第几个
2. 序数词前通常加某人的或定冠the
基数词——序数词1 = one —— 1st = first 2 = two —— 2nd = second 3 = three ——3rd
= third 4 = four —— 4th = fourth 5 = five —— 5th = fifth 6 = six —— 6th = sixth 7 = seven ——7th = seventh 8 = eight —— 8th = eighth 9 = nine —— 9th = ninth 10 = ten ——10th = tenth
15=fifteen
15th=fifteenth
20=twenty
20th=twentieth
31=thirty-one
31st=thirty-first
。
基数词变序数词顺口溜
1.2.3 特殊记,从 4 开始 th 结尾,
f 来把 ve 替, 8 加 h 9 去 e,
见到 ty 要留意 , ie 一起把 y 替,
要是遇到几十几,只变个位就可以 ,
How do you write it?
Ordinal numbers
1st = first 11th = eleventh
2nd = second 12th = twelfth
3rd = third 19th =
4th = fourth 20th =twentieth
5th = fifth 21st=twenty-first
6th = 22nd=
7th = 23rd=
8th = 30th=
9th = ninth 40th=
10th= 100th=
sixth
seventh
eighth
nineteenth
twenty-second
twenty-third
thirtieth
tenth a hundredth
fortieth
1 、 Elsa lives on the _________ floor.
2 、 Ivan lives on the _________ floor.
3 、 Mary lives on the _________ floor.
4 、 Peter lives on the _________ floor.
5 、 Ricky lives on the _________ floor.
6 、 Wilson lives on the _________ floor.
seventh
fifteenth
fourth
second
ninth
twelfth
Thank you!
I write , you say.
I say , you write.
Let’s learn how to write cheques.pay
RMB Yuan
¥ 598.00
pay
RMB Yuan
¥ 12312.00
five hundred and ninety-eight
, twelve thousand,
three hundred and twelve
Shcool work• 每个同学写 9 个数字,分别是一位数到九位数,写好出题人,然后上交。• 随意抽取一张写出英语读法,然后交给出题人批阅,对一题给 10 分,比
一比,是冠军。
答题人 ______ Score_____1273568034...出题人:
homework 牢记基数词的表达法
记忆基数词的拼写
• Write the numbers in English.• a. 123 b. 458• c. 2358 d. 9632• e. 77414 f. 52588• g. 363584 h. 158779• i. 1234567 j. 9998876
Write the numbers in Write the numbers in English.English.
a. 123 b. 458a. 123 b. 458c. 2358 d. 9632c. 2358 d. 9632e. 77414 f. 52588e. 77414 f. 52588g. 363584 h. 158779g. 363584 h. 158779i. 1234567 j. 9998876i. 1234567 j. 9998876
英语数词不难记,找出规则就容易。 一至十二词各异,一个一个单独记。 后面加 teen 变十几, thirteen, fifteen 看仔细。 eighteen 只有一个 t ,两个音节念清晰。 几十后面加 ty , twenty 不同重点记。 forty 去掉字母 u , thirty, fifty 更出奇。 十位数后个位数,表示数值几十几 . 按序排列不费力,连字符号莫丢弃。 巧学妙计加努力, hundred 是你的好成绩
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