1. Cardinal numbers and Ordinal numbers
Unit 1 Dream homes
Grammar
Cardinal numbers and Ordinal numbers

2. Cardinal numbers（基数词） 1 2 3 4 5 6 7 8 9 10
zero 1 2 3 4 5 6 7 8 9 10
one
seven
nine
three
five
ten
two
four
six
eight 11 12 13 14 15 16 17 18 19 20
fourteen
eleven
thirteen
fifteen
twelve
twenty
seventeen
sixteen
eighteen
nineteen

3. 21 22 23 24 25 30 40 50 60 70 80 90 thirty forty fifty sixty seventy
twenty-one
twenty-two
twenty-three
twenty-four
twenty-five 30 40 50 60 70 80 90
thirty
forty
fifty
sixty
seventy
ninety
eighty

4. large numbers 1,000,000 one million 100,000 one hundred thousand
X10=
10,000
ten thousand
X10=
1,000
one thousand
X10=
100
one hundred

5. 500,000
five hundred thousand
5,678
five thousand，six hundred and seventy-eight

6. 銉佰捌拾捌万陆千壹佰零叁元整 亿 千 百 十 万 元 角 分 ￥ 4 8 6 1 3
four million, eight hundred and eighty-six thousand , one hundred and three
4,886,103
nine million, one hundred and fifty-six thousand and eighteen
9,156,018

7. 10 , 120 549 , 390, 090 ten thousand, one hundred and twenty
five hundred and forty-nine million , three hundred and ninety thousand and ninety

8. Read the phone number：
Miss Wang ,2901
eight,four,three,three;two,nine,o,one
double three
Me ,1201
eight,four,three,two;one,two,o, one
you …

9. People from about 180 countries and areas
live in a New York. 面积
有...面积
area
have an area of...

10. Read the number:
The CN Tower
is 1,815 feet tall.
=The CN Tower
is 1815 feet
in height.
long =in length
in 在...方面
在尺寸上
在面积上
in size
in area

11. Red Square in Moscow
is about 91,000
square metres in size.
正方形 广场 平方
方形的

12. France has an area of over 260,000 square miles.
have an area of...

13. Tokyo, the capital of Japan ,
has over 13,000,000 people.

14. Language points 180 countries and areas: 180个国家和地区
1,815 feet tall: 1815英尺高
数词+量词（单复数）+形容词
1英尺（foot）=0.3048米
40米长 40 metres long
square metres 平方米
square miles 平方英里
in size: 在尺寸上，在大小上
我的房间在尺寸上大约10平方米。
My room is about 10 square metres in size.

15. have an area of… 有多大的面积。
中国有1470万平方公里的国土面积。
China has an area of 14,700,000 square kilometres.
over= more than 多于，大于
we have over 36 classrooms.
we have more than 36 classrooms.
There be sb. doing sth:正有某人做某事
操场上正有一些男孩踢足球。
There are some boys playing football on the playground.

16. 1.hundred, thousand, million, billion...
(1)这些词前如有表示具体的数字的词，
它们不能加“S”；
（2）这些词前如没有表示具体数字的词，
则它们需加“S”，与of连用；
三百人
成千上万人
three hundred people
thousands of people
2. _________(4) of them went to the factory.
I want ________(2).
My classmate is __________(18).
Four
two
eighteen

17. 3. Today we are going to study Lesson ____(5).
He lives _____________________.(801房间）。
Five
in Room 801
on July 1st, 2006
4. The accident took place __________________
年份用基数词，日期用序数词，(2006年7月1日）
two
5.It's ______(2点钟）
6.__________________is three.（1+2=3）
____________________is thirty.（5X6=30）
7.______percent of them is water. (30%)
8._________of the books are mine.(五分之二）
9._____________________girl is behind me.
(一位21岁的女孩）
10.在19世纪70年代_____________________
11.在某人30多岁时_____________________
One plus two
Five times six
Thirty
Two-fifths
A twenty-one-year-old
in the 1870s
in one's thirties

18. Ordinal numbers (序数词)
We can use ordinal numbers to order things and events. We use them to talk about dates, floors, positions, etc.

19. Women’s day is on the eighth of March.
Its birthday is on the fifth of June.
The flat is on the seventh floor.
He is always the first to come to school in our class.
I am the second child of my family.
Yesterday was his fourteenth birthday.

20. -th first one _____ second three _____ two_____ third fourth hundredth
Ordinal numbers（序数词）
first
one _____
second
three _____
two_____
third
fourth
hundredth
four _____ hundred _________
five ______ twelve__________
eight ______
nine ______
twenty _______ forty __________
fifth
twelfth
-th
eighth
ninth
twentieth
fortieth

21. How do you write it? Ordinal numbers 1st = first 10th = 2nd = second
11th =eleventh
3rd = third
12th =twelfth
4th = fourth
13th=
5th = fifth
20th =twentieth
6th =
21st=twenty-first
7th =
22nd=
8th =
23rd=
9th = ninth
30th=
10th=
100th=
tenth
thirteenth
sixth
seventh
twenty-second
eighth
twenty-third
thirtieth
tenth
a hundredth

22. 基数词变序数词的规律 1 基变序，有规律，末尾加上 th four ---> fourth
fourteen ---> fourteenth 2
一二三，特殊记，末尾字母 t,d,d
one--->first
two --->second
three --->third 3
八减t，九去e，f要把ve替
eight ---> eighth
nine ---> ninth
five ---> fifth; twelve--->twelfth 4
Ty把y变为i，莫忘th前有个e
twenty--->twentieth
forty--->fortieth
ninety--->ninetieth 5
如果遇到几十几，只变个位就可以
twenty-one--->twenty-first
thirty-three--->thirty-third

23. AE&BE
Ricky
Elsa
Mary
Wilson
Peter

24. June 1st/first
Children’s Day is on ____________.

25. Language points:
1. 序数词的运用：
⑴表示日期：e.g. 6月1日 on the first of June/ on June (the) first
⑵表示编号：e.g. lesson 5 the fifth lesson
⑶起副词作用，前无“the” e.g. Simon came first in the English exam.
⑷序数词前有限定词修饰时，不加“the”. e.g. This is my first lesson.

26. 1.the+序数词；基数词不加the
2.a/an+序数词 ，表示“又一、再一”；
3.of the+基数词，表示范围；
三个女孩中
of the three girls
4.序数词表达名次时，不加the；
排第二
come second
5.序数词前有了限定词，则不再加the；
我的第一台电脑
my first computer

28. How do we say it?
4, 056
four thousand and fifty-six
23, 813
twenty-three thousand eight hundred and thirteen
567,110
five hundred and sixty-seven thousand one hundred and ten

29. 6, 425, 200
six million four hundred and twenty-five thousand two hundred
126
one hundred and twenty-six
1,026
one thousand and twenty-six
12,206
twelve thousand two hundred and six

30. one hundred thousand two hundred and sixty 110,006
100,260
one hundred thousand two hundred and sixty
110,006
one hundred and ten thousand
and six
1,200,026
one million two hundred
thousand and twenty-six

31. one hundred and eleven
one thousand one hundred and eleven
eleven thousand one hundred and eleven
one hundred and eleven thousand one hundred and eleven
one million one hundred and eleven thousand one hundred and eleven
eleven million one hundred and eleven thousand one hundred and eleven
one hundred and eleven million one hundred and eleven thousand one hundred and eleven
Exercises:
111
1,111
11,111
111,111
1,111,111
11,111,111
111,111,111

32. 1.Kangkang is a school boy.
He got a good gift on his____birthday.
A. fourteenth B.fortieth
C.the fortieth D.the fourteenth
2.Tom will sell____stamps to help the poor
children in the west of China.
A.thousand of B.two thousand of
C.two thousand D. two thousands of
3. When is your mother's birthday , Tina?
It's on July the ______. A.twenty B.ninth
C.five D. the fifth
A B C D

33. 4.Have you seen the CCTV news on TV?
Yes,____children had a good festival on
the ____Children's Day.
A.millions of ;sixty B.ten millions; sixtieth
C.millions of ;sixtiethD.ten million;the sixty
5. More than two___years ago, people knew
little about the universe.
A.thousands B.thousand
C.thousand of D.thousands of
6.There are ___months in a year. October is
the ____month. A.twelve;ten B.twelfth;tenth
C.twelve;tenth D.twelfth;ten

34. 7.Look at the numbers 2,5,11,23, 47 and 95.
What will be the next number?
A.191 B.127 C.158 D.276
8.Have you got everything ready for the party?
No, we need_____.
A. another two glasses B.other two glasses
C.two other glasses D.two another glasses
9.It took me ____to find out the answer to the
question. A. one and half hours
B.one and a half hours
C.one and a half hour
D.one and half hour

35. 10.Which is the biggest number of teh four?
A. two-thirds B.a half C.a quarter D.one third
11.Lucy is very excited because today is
her ____birthday.
A.five B.fiveth C.the fifthD.fifth
12.Now,everybody,please turn to Page____
and look at the ___picture.
A.Fifth;five B.Five;fifth C.Fifth;fifth D.Five;five
13.He wrote many books in his ___.
A.thirty B. thirtieth C. thirties D. thirtieths
14.I've tried twice,but I'll try _____time.
A.the third B.a third C. third D. three

36. Exercises