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Grammar
Unit 1
1
Learning aims
能说出序数词并正确运用
能说出基数词并正确运用
2
How do we say it?
4,056= ___ thousand _______ __
23,813= ___________ thousand
__________________
567,110= ______________________ thousand
__________________
6,425,200= __ million _ __________________
thousand __________
four and 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
567,015
317,280
10,943
123,456
9,070,811
45,607,760
five hundred and sixty-seven thousand and fifteen
three hundred seventeen thousand two hundred and eighty
ten thousand nine hundred and forty-three
one hundred and twenty-three thousand four hundred and fifty-six
nine million seventy thousand eight hundred and eleven
forty-five million six hundred and seven thousand seven hundred and sixty
Lead in
How many numbers do you see?
5
Learn the use of cardinal numbers
数词的分类:
数词的分类:
序数词表示事物的先后顺序,往往与定冠词the连用。
数词分为 和 。
基数词
序数词
基数词表示数目的多少。
6
Listen and write.
ten thousand two hundred and six
one hundred and twenty-six
one hundred thousand two hundred and sixty
one million two hundred thousand and twenty-six
one thousand and twenty-six
one hundred and ten thousand two hundred and six
10,206
126
100,260
1,200,026
1,026
110,206
基数词
100以内的基数词
1 one 11 eleven
2 two 12 twelve
3 three
4 four
5 five
6 six
7 seven
8 eight
9 nine
10 ten
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13 thirteen
14 fourteen
20 twenty
30 thirty
40 forty
50 fifty
60 sixty
70 seventy
80 eighty
90 ninety
19 nineteen
18 eighteen
15 fifteen
16 sixteen
17 seventeen
100及以上的基数词
100 one hundred
1,000 one thousand
1,000,000 one million
1,000,000,000 one billion
续表
Neil’s home is about 15 miles from London. lt is on 28 Rose Street. It has an area of 160 square metres. His phone number is 0207 000 1111.
Neil loves taking pictures. He has about 2,000 pictures on his phone. They are very beautiful!
(1) Where is Neil’s home?
(2) What is the area of his home?
(3) What is his phone number?
(4) How many pictures does he have on his phone?
Read the sentences below and pay attention to the numbers in his writing.
1 We live in Room 806, Building 15, City Garden.
2 Our flat is 98 square metres in area.
3 Our phone number is 010-1212 1212.
4 My sister Annie is nine years old, and she is in Grade 4.
5 Mum usually gets up at 6:45 in the morning.
6 My computer costs 4,550 yuan.
room number
building number
area
phone number
time
price
grade number
age
six forty-five
fifteen to seven
a quarter to seven
6:45
顺读法 倒读法
before 30
8:10
10:05
after30
8:45
9:55
eight ten
ten past eight
ten five
five past ten
eight forty-five
fifteen to nine
a quarter to nine
nine fifty-five
five to ten
(1) 1—12单独记。如:one, two, three...twelve。
(2) 13—19的词尾都是teen。但 13—thirteen,15—fifteen,
18—eighteen需要特殊记。
four
six
seven
nine
teen
teen
teen
teen
ty
six
ty
seven
nine
ty
(4) 21~99的构成是在整十位的数词后加上个位的数词,中间用连字符“-” 如:21 twenty-one 37 thirty-seven 96 ninety-six。
(3) 20~90这些整十数词均以ty结尾。
其中sixty,seventy,ninety都是在个位后直接加-ty。其余的构成不规则。
构成规则
Read and pay attention to the use of cardinal numbers.
Neil’s home is about 15 miles from London. lt is on 28 Rose Street. It has an area of 160 square metres. His phone number is 0207 000 1111.
Neil loves taking pictures. He has about 2,000 pictures on his phone. They are very beautiful!
We can use cardinal numbers to talk about distance, house numbers, areas, , years, the number of people and things, etc.
distance
house numbers
areas
phone numbers
the number of things
phone numbers
Read and practise
Read the sentences in Part A1 and pay attention to the numbers.
Simon is writing about his home and family. Read the sentences and pay attention to the numbers in his writing.
Talk with your partner about your home and family using cardinal numbers.
Enjoy a song
Let’s listen to a song of cardinal numbers and sing together.
Let’s enjoy another song. It’s about ordinal numbers.
Ordinal num.
1. 当有具体数量时,不能加 “s”和 “of ”。
2. 当表示泛指数量时用以下形式:
hundreds of…
thousands of…
millions of…
billions of…
eg. There are ________ books in our library.
A. six thousands of B. six thousands
C. six thousand D. six thousand of
Attention: hundred, thousand, million, billion
成百上千的/数百的…
成千上万的/数千的…
数百万的…
数十亿的…
Read and understand
Read the sentences about Li Mengtian and pay attention to the use of ordinal numbers.
Identify the ordinal numbers and underlined them.
1.How old are you?
I’m __________.
fourteen
It is my ___________ birthday. (14)
fourteenth
2.There are ___________ (20) floors in my flat.
I live on the ___________(20) floor.
twenty
twentieth
3.Usually there are _____________ days in
February.
Today is the ________________ of February.
twenty-eight
twenty-eighth
4. Wednesday is the _________ day in a week.
fourth
Ordinal numbers are also around us.
Practice
1. Finish Part B1 on page 12.
first
sixth
seventh
eighth
tenth
fourteenth
nineteenth
twenty-second
thirtieth
ninetieth
hundredth
Read and understand
Disscus with a partner what ordinal numbers are used for in the sentences, then work out the rule.
floors
Practice
2. Finish Part B2 on page 12.
(1) Li Mengtian lives in a building with 22 floors. Her
home is on the top floor, the ____________ floor. Her
family always eat yuanxiao on the Lantern Festival—
the _______ day of the first month in the Chinese
lunar calendar.
twenty-second
fifteenth
Work out the rule
floors
Practice
(2) Neil is a Grade 7 student. He is in the _______ grade.
He is usually the _____ to get up in his family
because he likes jogging in the morning. His mum is
the second one, right after Neil.
(3) Femi’s birthday is in March, the _____ month of the
year. Today is his ________ birthday. He is 13 years
old now.
seventh
first
third
thirteenth
How to write ordinal numbers
Ordinal number formation
Look at the table of numbers in Part B1 and write the ordinal numbers out in words.
first
sixth
seventh
eighth
tenth
fourteenth
ninteenth
twenty-second
thirtieth
nintieth
hun dredth
You can use this formula to help you to memorize:
Cardinal numbers Ordinal numbers
1=one
2=two
3=three
4=four
5=five
8=eight
9=nine
12=twelve
19=nineteen
20=twenty
21=twenty-one
100=one hundred
1st=first
2nd=second
3rd=third
4th=fourth
5th=fifth
8th=eighth
9th=ninth
12th=twelfth
19th=nineteenth
20th=twentieth
21st=twenty-first
100th=one hundredth
fourteenth
fortieth
nineteenth
ninetieth
rule:
40去u
9去e
Production
Finish Part B3 on page 12.
My family lives in a building with 28 floors. My home is on the sixteenth floor. There are only three people in my family. My mother is usually the first to get up every morning because she makes breakfast for us. I am the second one, and I often get up at 7:00 a.m. Every evening, I spend twenty minutes jogging with my father. I usually go to bed at 9:30 p.m. My family life is simple, but I like it very much.
Thank you!
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