Unit 1 Grammar教学课件-译林牛津版初中英语七年级（下）

(共35张PPT)
Grammar
Unit 1 Dream homes
学 习 目 标
掌握本课时的新单词和短语：zero,hundred,thousand,million,
foot,square,metre,area 和over。
1
3
能正确使用基数词表示号码、数量、 尺寸、 面积等；能正确使用序数词表示日期、楼层、次序等。
能正确运用基数词和序数词。
2
课 堂 导 入
Revision
How far is Neil’s town from London
How many rooms does Stephen have in his house
How many rooms do you have in your home
How many people live in your home
What is your telephone number
数词
number
基数词
cardinal numbers
序数词
ordinal numbers
We use cardinal numbers almost every day.
No.1 Bus
No.88 North Renmin Road
No.23 player
page 28
Room 201
课 堂 学 习
11 12 13 14 15
16 17 18 19 20
1 2 3 4 5 6 7 8 9 10
one
two
three
four
five
six
seven
eight
nine
ten
eleven
twelve
nineteen
thirteen
fourteen
fifteen
sixteen
seventeen
eighteen
twenty
/'z r /
zero
Task1 How to say cardinal numbers.
30 40 50 60 70 80 90
21 22 23 24 25
twenty-one
twenty-two
twenty-three
twenty-four
twenty-five
thirty
forty
fifty
sixty
seventy
eighty
ninety
Rule1 : 个位和十位之间要加“ ”连字符。
1,000,000,000
200,000,000
10,000,000
1,000,000
200,000
10,000
1，000
100
one hundred
one thousand
ten thousand
two hundred thousand
one million
ten million
two hundred million
one billion
/ h ndr d/
/ θa znd/
/ m lj n/
9 3 0 5 0 0 4 6 0 7
hundred
,
,
,
thousand
million
billion
nine billion three hundred and five million
and four thousand six hundred and seven
Rule2: 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”。
911
715
422
504
278
nine hundred and eleven
seven hundred and fifteen
four hundred and twenty-two
five hundred and four
two hundred and seventy-eight
Task 2 Have a try.
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 ten
six
four hundred and twenty-five
two hundred
People from about 180 countries and areas live in New York.
Task3 Numbers in our daily life
The CN Tower is 1,815 feet tall.
foot n. 足；英尺（pl. feet）
1 foot = 0.3048 metre
metre (=meter) 米，
/'mi:t /公尺
Red Square in Moscow is about 91,000
square metres in size.
square /skwe /
正方形;广场;平方;方格
France has an area of over 260,000 square miles.
over prep. 超过,与more than同义。
There are about 8,000,000 people living in London.
There be...doing sth.有... ...正在做某事。
There is a bird singing in the tree.有只鸟儿在树上唱歌。
Tokyo, the capital of Japan, has over 13,000,000 people.
the capital of… ……的首都
Beijing is the capital of China.北京是中国的首都。
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.
.
one hundred and eighty
One thousand eight hundred and fiftheen
ninety one thousand
Learning about different countries
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.
two hundred and sixty thousand
eight million
thirteen million
Learning about different countries
1.表示数量的多少。
There are fifty-two students in our class.我们班有52名学生。
2.表示年龄、时间、价格、年代、顺序。
I am forty years old.我40岁了。
---What time is it 几点了？
---It’s two to two. 差2分2点。
--How much are the apples 苹果多少钱？
---They are ten yuan. 10元钱。
I was born in 1973. 我出生于1973年。
Grammar
基数词的用法
基数词表示顺序时，由“单数名词+基数词”构成， 此时名词和基数词的第一个字母通常都大写。
Class Fourteen 14班 Lesson One 第一课
Room 505 505房间 No. 4 Middle School 第四中学
注意：“单数名词+基数词” 可以转换为“the +序数词+单数名词”， 此时的名词和序数词的第一个字母都不大写。
Lesson One= the first lesson
3. 表示各种车牌、门牌和电话号码等。
My mobile phone number is 18953630029.我的手机号码是18953630029。
4.表示数学运算。
---What’s nine and six 9加6等于几？-----It’s fifteen. 15.
【注意】hundred, thousand, million, billion 的用法
当hundred ,thousand ,million, billion前面有具体数词时，后面不加s，也不与of连用；
示不确定的数目时，这些词后要加s,且与of连用。
There are six hundred workers in this factory.这个工厂有600名工人。
Thousands of visitors have come to Suzhou in the last two weeks.在过去的两周中，有成千上万名游客到苏州来。
Women’s Day is on the eighth of March.
We use ordinal numbers to order things and events.
Our flat is on the seventh floor.
He is always the first to come to school
in our class.
Cardinal numbers
1=one
2=
3=
4=four
5=five
6=
7=
8=
9=nine
10=
Ordinal numbers
1st=first
2nd=second
3rd=third
4th=fourth
5th=fifth
6th=
7th=
8th=
9th=ninth
10th=
two
three
six
seven
eight
ten
sixth
seventh
eighth
tenth
Task1 How to write ordinal numbers.
Cardinal numbers
11=eleven
12=
13=
19=nineteen
20=
21=twenty-one
30=thirty
40=
100=
101=
Ordinal numbers
11th=eleventh
12th=twelfth
19th=
20th=twentieth
21st=twenty-first
22nd=
23rd=
30th=
40th=fortieth
100th =
twelve
thirteen
twenty
forty
one hundred
one hundred and one
nineteenth
twenty-second
twenty-third
thirtieth
one hundredth
numbers Cardinal numbers Ordinal numbers
21 twenty-one twenty-first
22 twenty-two twenty-second
23 twenty-three twenty-third
30 thirty thirtieth
40 forty fortieth
50 fifty fiftieth
60 sixty sixtieth
70 seventy seventieth
80 eighty eightieth
90 ninety ninetieth
100 a hundred a hundredth
基变序，有规律， 结尾字母是th。
一、二、三，特殊记， 结尾字母t, d, d； 八去t, 九去e,
ve要用 f 替;
逢十改y为ie，
几十几,也好记, 只变个位就可以。
Work out the rules.
(fourth, sixth)
(first, second, third)
(eighth, ninth)
(five ---fifth, twelve---twelfth)
(twenty---twentieth)
（twenty-one twenty-first）
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
Complete B2 on page 12.
Task 2 Have a try.
序数词主要用作定语，前面要加定冠词。如：
The ninth boy in the team is my brother.队中第九个男孩是我的弟弟。
We live on the fourth floor.我们住在五楼。
2. 序数词前面有时可加不定冠词来表示“再一”“又一”的意思。如:
May I have a third try 我可以再试一次吗？
3. 表示分数时，分子用基数词表示，分母用序数词表示。分子大于1时，分母加-s。如：
4/7 four sevenths 1/2 a half/ one second
4.起副词作用，前无“the” 。如：
Simon came first in the English exam.在英语考试中西蒙得了第一名。
5. 表示年、月、日时，年用基数词表示，日用序数词表示。如：
October the first, nineteen sixty = the first of October nineteen sixty1960年10月1日
6. 表示编号。如：Lesson 5 =the fifth lesson第五课
7. 序数词前有限定词修饰时，不加“the”。如：my first lesson我的第一课
Task3 How to use ordinal numbers
课 堂 达 标
I.单项选择
1.--- I hear your pen friend is visiting Wuxi again. Is it the time for him
--- Yes, and he will come for a third time next spring.
A. first B. second C. third D. fourth
2. Now, everybody, please turn to Page ___ and look at the picture.
A. Fifth, five B. Five, fifth C. Fifth, fifth D. Five, five
3. ---Peter, how old is your father this year
---___. And we just had a party for his birthday last weekend.
A. Fortieth, forty B. Forty, forty C. Forty, fortieth D. Fortieth, fortieth
4. ---What’s the matter, Amy
---Oh, more than _____ people lost their lives in the earthquake in Sichuan.
A. sixty thousands of B. sixty thousand
C. sixty thousand of D. thousand of
B
B
C
B
5. You can read 50,801 ________ in English.
A. fifty thousands, eight hundreds and one
B. fifty thousand, eight hundred and one
C. fifty thousands, eight hundred and one
D. fifty thousand, eight hundreds and one
6. Tom says tomorrow will be his _____ day in Wuxi.
A. the second B. second C. two D. the two
B
B
II.用所给词的适当形式或根据汉语意思填空．
1. 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 Nanjing.
5. There are children in the team. Tom is the youngest. He is the _______ child. (nine)
first
twelfth
seven
seventh
third
nine
ninth
6. He is the _____________(twenty-one) League Member in our class.
7.What is the _______(面积) of Red Square
8.There are 13 ________(百万)people in that city.
9.The CN tower is over 1800________(英尺)tall.
10.Father’s _________(40) birthday is coming.
11.There are__________ of workers in our country. (million)
12.The____________ lesson is very difficult. (twenty)
twenty-first
area
million
feet
fortieth
millions
twentieth
Homework
1.Remember how to read and write Cardinal and Ordinal numbers correctly.
2.Preview Integrated skills and Study skills.
Thank you !