(共21张PPT)
We use them to talk about the numbers of people or things.
Cardinal numbers
[ kɑ d nl] 基数词
There are ______ countries and areas in the world. The population(人口) is over _________________. We are now living in China, which has an area of ______________ square kilometres.
233
9,600,000
7,500,000,000
Lead-in
Unit 1 Dream homes
Grammar 1
1. 会读写基数词
2. 了解基数词的变化规律
3. 能使用基数词去描述身边的人或物
Study aims
zero
one
two
three
four
five
six
seven
eight
nine
ten
eleven
twelve
self-learning
3 4 5 6 7 8 9
three four five six seven eight nine
13 14 15 16 17 18 19
thirteen
fourteen
fifteen
sixteen
seventeen
eighteen
nineteen
Read and find
13-19的数词以teen /ti:n/结尾
2 two 20
3 three 30
4 four 40
5 five 50
6 six 60
7 seven 70
8 eight 80
9 nine 90
Read and find
twenty
thirty
forty
fifty
sixty
seventy
eighty
ninety
20-100的整十数以ty/ti/结尾
21 twenty-one 29
22 twenty-two 31
23 twenty-three 42
24 twenty-four 53
25 twenty-five 64
26 twenty-six 75
27 twenty-seven 86
28 twenty-eight 97
Read and find
twenty-nine
thirty-one
forty-two
fifty-three
sixty-four
seventy-five
eighty-six
ninety-seven
个位和十位之间要加“-”连字符
100
101
200
317
435
Read and find
one/a hundred
one hundred and one
two hundred
three hundred and seventeen
four hundred and thirty-five
读三位或三位以上的数词时,要在十位前加 “and”,如果十位为“0”,则在个位前加“and”。
1000
1001
2020
3165
9837
Read and find
one thousand
one thousand and one
two thousand and twenty
three thousand one hundred and sixty-five
nine thousand eight hundred and thirty-seven
100
one hundred
1,000
one thousand
1,000,000
one million
1,000,000,000
one billion
ten thousand
one hundred thousand
10,000
100,000
Read and find
9 3 0 5 0 0 4 6 0 7
,
,
,
billion
million
thousand
三位一逗号,三位之间停顿,三位内部的十位为0时加and。
nine billion three hundred and five million four thousand six hundred and seven
Work out the rules
Can you read the numbers
49
forty-nine
291
two hundred and ninety-one
Can you read the numbers
1,287
one thousand two hundred and eighty-seven
11,823
eleven thousand eight hundred and twenty-three
Can you read the numbers
24,363
twenty-four thousand three hundred and sixty-three
注意:hundred, thousand, million 有不加‘s’和加‘s’两种情况:
I have two hundred books. (和数字连用不加s)
我有两百本书。
I have hundreds of books. (和of连用必须加s)
我有数百本书。
hundreds of 数百,数以百计
thousands of 数千,数以千计
millions of 数百万
1. People from about 180 countries and areas live in New York.
180 one hundred and eighty
大约有来自180个国家和地区的人们生活在纽约。
2. The CN Tower is 1,815 feet tall.
1,815 one thousand eight hundred and fifteen
加拿大国家电视塔有1,815 英尺高。
Learn about different countries
3. Red Square in Moscow is about 91,000 square meters in size.
91,000 ninety one thousand
莫斯科的红场面积大约91,000平方米。
4. France has an area of over 260,000 square miles.
260,000 two hundred and sixty thousand
法国有260,000多平方英里的面积。
be…in size = have an area of
面积为…
5. There are about 8,000,000 people living in London.
8,000,000 eight million
大约有8,000,000人生活在伦敦。
6. Tokyo, the capital of Japan, has over 13,000,000 people.
13,000,000 thirteen million
日本的首都东京有13,000,000多人口。
Can you read the phone numbers
Millie 5553 2901 _________________________
Amy 5558 6390 _________________________
Daniel 5554 3986 _________________________
Sandy 5552 0928 _________________________
Kitty 5556 7395 _________________________
me 5557 2118 _________________________
five,five,five,eight;six,three,nine,o
five,five,five,four;three,nine,eight,six
five,five,five,two;o,nine,two,eight
five,five,five,six;seven,three,nine,five
five,five,five,seven;two,one,one,eight
five,five,five,three;two,nine,o,one
注意:电话号码中的零读成o或者zero
Read the numbers
ten thousand, two hundred and six
one hundred and twenty-six
one hundred thousand, two hundred and sixty
twelve thousand and twenty-six
one million, two hundred thousand and twenty-six
one thousand and twenty-six
one hundred and ten thousand, two hundred and six
1,026 b. 10,206 c. 110,206 d. 126
e. 100,260 f. 12,026 g. 1,200,026
b
d
e
f
g
a
c
Let’s match
Remember the cardinal and ordinal numbers we learned in this lesson.
Finish the exercises on the worksheet.