7B Unit1 Dream homes Grammar（41张PPT）

(共41张PPT)
Unit 1 Dream homes
---Grammar
Cardinal numbers 基数词
Ordinal numbers 序数词
We use cardinal numbers almost every day.
We use them to talk about the numbers(数量) of people or things.
cardinal numbers 基数词
We use cardinal numbers almost every day.
No.8 Bus
2 boys
5 magazines
Page 25
10 yuan
0
one
two
three
four
five
six
seven
eight
nine
ten
1 2 3 4 5 6 7 8 9 10
/'z r /
Let’s read these cardinal numbers.
zero
eleven
twelve
11 12 13 14 15
16 17 18 19 20
nineteen
thirteen
fourteen
fifteen
sixteen
seventeen
eighteen
Let’s read these cardinal numbers.
twenty
twenty-one
twenty-two
21 22 23 24 25
twenty-three
twenty-four
twenty-five
十位和个位之间要加连字符“-”
30 40 50 60 70 80 90
thirty
forty
fifty
sixty
seventy
eighty
ninety
100
200
300
400
one hundred
two hundred
three hundred
four hundred
/ h ndr d/
1000
5000
6000
9000
one thousand
five thousand
six thousand
nine thousand
/ θa znd/
1,000,000
5,000,000
8,000,000
one million
five million
eight million
/ m lj n/ 百万
1）当表示具体数量时，不能在其后加 “s”和“of”
e.g. three hundred/ eight thousand
2）当表示泛指数量时用以下形式:
hundreds of …
thousands of …
millions of …
1. hundred, thousand, million
数百的…
数千的…
数百万的…
篮子里有数百个鸡蛋。
There are __________ ____ eggs in the baskets.
hundreds of
这儿有数千个苹果。
Here are __________ ____apples.
thousands of
102 (one hundred and two)
100 (one hundred)
2. 读三位以上的数字时，要在十位前加“and”;
如十位是0, 则在个位前加“and”
539 (five hundred and thirty-nine)
222 (two hundred and twenty-two)
Can you read the numbers
911
715
422
554
218
nine hundred and eleven
seven hundred and fifteen
four hundred and twenty-two
five hundred and fifty-four
two hundred and eighteen
2,000= _____ thousand
4,306= _____ thousand, _____________
23,813= _____________ thousand,
___________________________
567,110= ______________________
thousand,____________________
four
twenty-three
five hundred and sixty-seven
one hundred and ten
eight hundred and thirteen
three hundred and six
two
1,000,000= _____ million
2,334,206= _____ million, ______________________thousand,
__________________
88,333,555= _____________ million,
_______________________thousand, _____________________
999,000,000= ______________________
million
two
three hundred and thirty-four
nine hundred and ninety-nine
eighty-eight
five hundred and fifty-five
three hundred and six
one
three hundred and thirty-three
567
3,280
10,943
123,456
9,070,811
45,607,760
Try to write the numbers
five hundred and sixty-seven
three thousand,
ten thousand,
one hundred and twenty-three thousand,
nine million,
forty-five million,
two hundred and eighty
nine hundred and forty-three
seventy thousand,
eight hundred and eleven
six hundred and seven thousand,
seven hundred and sixty
four hundred and fifty-six
Find the right numbers.
__ 1. ten thousand, two hundred and six
__ 2. one hundred and twenty-six
__ 3. one hundred thousand, two hundred and sixty
__ 4. twelve thousand and twenty-six
__ 5. one million, two hundred thousand and twenty-six
__ 6. one thousand and twenty-six
__ 7. one hundred and ten thousand, two hundred and six
a. 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
1. People from about 180 countries and areas live in New York.
2. The CN Tower is 1,815 feet tall.
3. Red Square in Moscow is about 91,000 square metres in size.
4. France has an area of over 260,000 square miles.
5. There are about 8,000,000 people living in London.
6. Tokyo, the capital of Japan, has over 13,000,000 people.
one hundred and eighty
one thousand eight hundred and fifteen
ninety-one thousand
two hundred and sixty thousand
eight million
thirteen million
We use ordinal numbers to order things and events.
We use them to talk about dates(日期), floors(楼层),
positions (位置), etc.
ordinal numbers 序数词
Ordinal numbers(序数词)
Tom is 2 years old.
Today is his _______ birthday.
second
生日
the eighth of March
Women’s Day is on ___________________.
日期
Ordinal numbers(序数词)
Christmas is on ____________________.
Ordinal numbers(序数词)
the twenty-fifth of December
日期
There are fifteen floors in the building.
Elsa lives on the ________ floor.
Wilson lives on the _________floor.
seventh
楼层
twelfth
Jane is a top student.
She always gets ____ in the exam(考试).
first
顺序
autumn
spring
summer
winter
There are four seasons in a year.
Winter is the _____ season of the year.
fourth
顺序
December is the _____ month of the year.
twelfth
顺序
我们生活在21世纪。
We live in the ___________century(世纪).
twenty-first
Ordinal numbers(序数词)
序数词的运用：
序数词可用来表示日期、生日、楼层、顺序等。
序数词前要加定冠词“the”
e.g. Our flat is on the seventh floor.
(3) 序数词前有sb’s修饰时，不加“the”.
e.g. This is Tom’s/ his fourteenth birthday.
(4) 起副词作用，不加“the”
e.g. Simon came first in the running game.
numbers Cardinal numbers Ordinal numbers numbers Cardinal numbers Ordinal numbers
1 one first 11 eleven eleventh
2 two second 12 twelve twelfth
3 three third 13 thirteen thirteenth
4 four fourth 14 fourteen fourteenth
5 five fifth 15 fifteen fifteenth
6 six sixth 16 sixteen sixteenth
7 seven seventh 17 seventeen seventeenth
8 eight eighth 18 eighteen eighteenth
9 nine ninth 19 nineteen nineteenth
10 ten tenth
1.序数词1━19:
除first, second, third, fifth, eighth, ninth, twelfth变化不规则外,其余均由在基数词后加上“th”。
口诀如下：
　　基变序，有规律，词尾加上th。 　　一二三, 特殊记，面目全非要注意。 　　八去t, 九减e, 若是-ve来结尾，变成f莫迟疑。
numbers Cardinal numbers Ordinal numbers
20 twenty twentieth
30 thirty thirtieth
40 forty fortieth
50 fifty fiftieth
60 sixty sixtieth
70 seventy seventieth
80 eighty eightieth
90 ninety ninetieth
2.十位整数的序数词:
将基数词的词尾“y” 变成“ie” 再加 “th”。
numbers Cardinal numbers Ordinal numbers
100 a hundred a hundredth
1,000 a thousand a thousandth
1,000,000 a million a millionth
3. 整百、整千、整百万的序数词:
hundredth, thousandth，millionth
numbers Cardinal numbers Ordinal numbers
21 twenty-one twenty-first
22 twenty-two twenty-second
23 twenty-three twenty-third
34 thirty-four thirty-fourth
45 forty-five forty-fifth
4.几十几的序数词:
十位数不变,把个位数变成序数词。
seventh
fifteenth
fourth
second
ninth
twelfth
Exercises
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 Russia.
5. Mr. Green is _______ years old. He will celebrate his
_________ birthday next weekend. (四十)
6. The building has _______ (十九) floors.
It is __________ (九十) meters tall.
We live on the _______ (九) floor.
And my grandparents live ______ (九) floors above (在…上面) us.
My uncle lives on the ___________ (十九) floor.
first
twelfth
seven
seventh
third
forty
fortieth
nineteen
ninety
ninth
nine
nineteenth
Exercises
(2011·安顺)—David, how old is your father this year
—________. And we will have a special party for his ________ birthday next weekend.
A．Fortieth；forty B．Forty；forty
C．Forty；fortieth D．Fortieth；fortieth
(2011·黄冈)—Jackie Chan donates ________dollars to charity every year.
—He is an example to us all.
A．thousand B．thousands
C．thousand of D．thousands of
(2011·滨州)Now, everybody, please turn to Page________and look at the________picture.
A．Fifth；five B．Five；fifth
C．Fifth；fifth D．Five；five
直击中考
A: How tall is …
B: He is……cm tall.
A: Which floor does he live on
B: He lives on the ……floor.
A: How much money can he get every year
B: …
Height
(身高) Floor Salary（年薪）
Yao Ming 220 cm 18 ￥82,650,000
Liu Haoran 185 cm 20 ￥36,508,800
XiaoShenyang 174 cm 36 ￥5,123,677
Pair Work