Unit1 Dream homes Grammar基数词课件23张

(共23张PPT)
What number is it like
It looks like a ‘zero’.
Presentation
教学目标
1.能正确书写基数词
2.能正确使用基数词
表示数目和顺序的词叫做数词。数词又分基数词和序数词，序数词表示顺序，基数词表示人或事物数目的多少。
1. 表示年龄（She is 5 years old）
2. 表示时刻（7：30 seven thirty）
3.表示编号:名词在前，基数在后
（Room403 403房间 Class2 2班）
4.表示电话号码
5.表示数目（确切数目和不确切数目）
6.表示年代
Let’s read from o to 9.
0 1 2 3 4 5
zero one two three four five
6 7 8 9
six seven eight nine
Can you read the phone numbers
Millie 5553 2901
_________________________
Amy 5558 6390
_________________________
five,five,five,eight; six,three,nine,o
five,five,five,three; two,nine,o,one
基数词的构成
10
11
12
13
14
15
16
17
18
19
ten
eleven
twelve
thirteen
fourteen
fifteen
sixteen
seventeen
eighteen
nineteen
13-19的基数词以-teen 结尾
重音放在最后一个音节上
20
30
40
50
60
70
80
90
twenty
thirty
forty
fifty
sixty
seventy
eighty
ninety
20-90的整十基数词以-ty 结尾 ，
重音放在第一个音节上。
21
22
23
twenty-one
twenty-two
twenty-three
21-99的非整十 基数词是在
十位和个位之间加“-”
Can you read the numbers
102
139
(one hundred and two)
(one hundred and thirty-nine)
个位与十位之间用“-”，
十位与百位之间用“and”
Can you read the numbers
911
422
nine hundred and eleven
four hundred and twenty-two
100
1,000
10,000
100,000
1,000,000
10,000,000
100,000,000
1,000,000,000
one thousand
ten thousand
one hundred thousand
one million
ten million
one hundred million
one billion
one hundred
111 , 1 1 1 , 1 1 1 , 1 1 1
thousand n.千
million n.百万
billion n.十亿
hundred n.百
the large numbers :
英语中没有直接表示“万”和“亿”的单位，而是常用“千”和“百万”来表达。
How do we say it
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
Here are some years. Can you read them
1320
1999
2000
2007
thirteen, twenty
nineteen, ninety-nine
two thousand
two thousand and seven
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 …
eg. There are ________ books in our library.
A. six thousands of B. six thousands
C. six thousand D. six thousand of
billions of …
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…
Exercises
How do we say it
There are 1280 students in our school.
There are 230100 books in the library.
The house is 1509998 yuan.
,
,
one million, five hundred and nine thousand, nine hundred and ninety-eight
two hundred and thirty thousand, one hundred
, ,
one thousand, two hundred and eighty
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
Homework
会默写课本P11的基数词