(共30张PPT)
Unit 1 Dream homes
Grammar
新课导入
1 one apple
新课导入
2 two dogs
新课导入
7 seven people
新课导入
12 twelve balls
新课导入
55 fifty-five students
新课讲解
Cardinal numbers :1.2.3.4.5……
基数词
We use cardinal numbers to talk about
the numbers of people or things.
新课讲解
zero
one
two
three
four
five
six
seven
eight
nine
Say the numbers in English.
新课讲解
ten
eleven
twelve
thirteen
fourteen
fifteen
sixteen
seventeen
eighteen
nineteen
10
11
12
13
14
15
16
17
18
19
Cardinal numbers
新课讲解
20
30
40
50
60
70
80
90
100
twenty
thirty
forty
fifty
sixty
seventy
eighty
ninety
one hundred
新课讲解
300
three hundred
6,000
six thousand
9,000,000
nine million
百,千,百万前有具体数字时,不能加S
新课讲解
21—99
21
22
23
55
65
76
86
97
twenty-one
twenty-two
twenty-three
fifty-five
sixty-five
seventy-six
eighty-six
ninety-seven
先读十位数,再读个位数,
书写的时候加连字符。
新课讲解
1.What’s nineteen and twenty
2.What’s forty and sixty
3.What’s one thousand and two thousand
4.What’s fifteen minus fifteen
5.What’s twenty-one minus nine
1. Thirty-nine.
2. One hundred.
3. Three thousand.
4. zero.
5. Twelve.
新课讲解
A:What’s your telephone number
B:My number is …
(exchange your roles)
15061412618
15262199507
05117204020
05126887326
1433235534
1032898369
946802548
527833480
新课讲解
and 的用法
用于百位数和十位数之间
(百 + and + 十位数)
145 one hundred and forty-five
2. 用于百位数和个位数之间
(百 + and + 个位数)
308 three hundred and eight
3. 用于千位数和十位数之间
(千 + and + 十位数)
2073 two thousand and seventy- three
4. 用于千位数和个位数之间
(千 + and + 个位数)
4006 four thousand and six
新课讲解
136
268
679
301
802
509
7,012
6,043
4,052
2008
1005
one hundred and thirty-six
five hundred and nine
seven thousand and twelve
two hundred and sixty-eight
six hundred and seventy-nine
three hundred and one
eight hundred and two
six thousand and forty-three
four thousand and fifty-two
two thousand and eight
one thousand and five
新课讲解
ten thousand, two hundred and six
one hundred and twenty-six
one hundred thousand, two hundred and sixty
twelve thousand and twenty-six
12,026
10, 206
126
100, 260
Have a try!
新课讲解
one million, two hundred thousand and twenty-six
one thousand and twenty-six
one hundred and ten thousand, two hundred and six
110, 206
1,200,026
1,026
新课讲解
Learning about different countries
People from about 180 countries and areas live in New York.
one hundred and eighty
地区
新课讲解
Learning about different countries
The CN Tower is 1,815 feet tall.
one thousand eight hundred and fifteen
foot
n.英尺
新课讲解
Learning about different countries
Red Square in Moscow is about 91,000 square metres in size.
ninety-one thousand
square
adj. 平方的
metre
n. 米;公尺
in size
在大小上
新课讲解
Learning about different countries
France has an area of over 260,000 square miles.
area
n.面积
two hundred and sixty thousand
have an area of
有…面积
over
prep. 超过
= more than
新课讲解
Learning about different countries
There are about 8,000,000 people living in London.
eight million
新课讲解
Learning about different countries
Tokyo, the capital of Japan, has over 13,000,000 people.
thirteen million
新课讲解
Cardinal numbers
Ordinal numbers
1 one
2 two
3 three
9 nine
4 four
5 five
11 eleven
12 twelve
20 twenty
3rd third
1st first
20th twentieth
4th fourth
11th eleventh
12th twelfth
5th fifth
9th ninth
2nd second
21 twenty-one
21st twenty-first
新课讲解
(twenty-one twenty-first)
基变序,有规律,
大部分结尾字母是th。
一、二、三,特殊记,
结尾字母t, d, d; 八加h, 九去e,
ve要用 f 替;
逢十改y为ie,
若是遇到两位数,只变个位就可以。
(fourth, sixth)
(first, second, third)
(eighth, ninth)
(five ---fifth, twelve---twelfth)
(twenty---twentieth)
基数词变序数词:
新课讲解
We can use ordinal numbers to order things and events.
1.Mr. Wu has two children.
The first child is a boy. The second is a girl.
2. There are seven days in a week.
Wednesday is the fourth day of a week.
Thursday is the fifth day of a week.
Ordinal numbers(序数词)
新课讲解
We use them to talk about dates(日期), floors(楼层), results(结果)…
Its birthday is on the fifth of June.
The flat is on the seventh floor.
I get the first in this exam(考试).
序数词前要加“the”
新课讲解
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
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
G
Wilson
Ivan
Mary
Peter
Ricky
Elsa
Do Part B2 on page12.
当堂小练
用所给词的适当形式填空.
He gets the (one) in the English test this time.
2.Tom will come on the (twelve) of this month.
3.There are days in a week. Saturday is the
_________ day . (seven)
4.This is my (three) time to come to Shanghai.
5.Mr. Green has children. Tom is the
youngest. He is the child. (nine)
6.He is the (twenty-one) member in the football team.
first
twelfth
seven
seventh
third
nine
ninth
twenty-first