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