人教版英语七上Unit7 How much are these socks Section B（1a-1e） 课件(共22张PPT)

(共22张PPT)
Unit
7
How
much
are
these
socks?
Section
B
Period
1
(1a-1e)
数词分为基数词和序数词。表示数字和数目多少的词是基数词，如one,two,three,four等。
表示顺序的词叫序数词，如first,second,third等。
本单元，我们主要学习基数词。
Can
you
read
these
numbers?
Eleven
[i'lev?n]
Twelve
[twelv]
seventeen
Fourteen
Fifteen
[,
fif'ti:n]
sixteen
nineteen
Eighteen
[,
ei'ti:n]
Thirteen
[,
θ?:'ti:n]
Twenty
['twenti]
Thirty
['θ?:'ti]
twenty
-six
twenty
-seven
twenty
-eight
twenty-
nine
twenty
-one
twenty
-two
twenty
-three
twenty-
four
twenty-
five
1a
Listen
and
repeat.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
one
two
three
four
five
six
seven
eight
nine
ten
eleven
twelve
thirteen
fourteen
fifteen
sixteen
seventeen
eighteen
nineteen
twenty
thirty
forty
fifty
sixty
seventy
eighty
ninety
twenty-one
…
twenty-nine
thirty-one
…
thirty-nine
forty-one
…
forty-nine
fifty-one
…
fifty-nine
sixty-one
…
sixty-nine
seventy-one
…
seventy-nine
eighty-one
…
eighty-nine
ninety-one
…
ninety-nine
hundred
Learn
these
numbers
and
find
out
the
rules.
掌握基数词的拼写。
0至12各相异，一个一个要牢记。
13至19词尾加-teen表“十几”
20至90整十数，-ty结尾要准确记。
若要表示几十几，连字符号别丢弃。
若要表示几百几，“百”“十”之间and莫忘记。
两位数：28
twenty-eight
三位数：148
one
hundred
and
forty-eight
基数词的基本用法
1.表示数量
three
girls
3个女孩
fifty
dollars50美元
2.表示时间
six
thirty
6:30
nineteen
ninety
1990
3.表示年龄
He
is
ten
years
old.他十岁了。
4.表示编号
Unit2
Row2
Page38
5.表示电话号码
1b
Write
the
numbers
in
1a
next
to
the
correct
words.
Which
rows
of
numbers
are
in
the
wrong
places?
ten
__
eleven
__
twelve
__
thirteen
__
fourteen
__
twenty-five
__
twenty-six
__
twenty-
seven
__
twenty-eight
__
twenty-nine
__
twenty
__
twenty-one
__
twenty-two
__
twenty-three
__
twenty-four
__
fifteen
__
sixteen
__
seventeen
__
eighteen
__
nineteen
__
thirty
__
thirty-one
__
10
11
12
13
14
25
26
27
28
29
20
21
23
24
15
16
17
18
19
30
31
22
Listen
and
circle
the
numbers
you
hear
in
1a.
1c
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
√
Listen
again.
Circle
the
things
in
the
picture
that
Kate
and
her
mom
talk
about.
Check
(√)
the
thing
Kate
buys.
1d
Ask
and
answer
questions
about
the
things
in
the
picture
above.
1e
C:
How
much
is
the
white
T-shirt?
S:
It
is
11
dollars.
C:
How
much
are
these
black
shoes?
S:
They
are
18
dollars.
A:
Hello,
______
I
help
you?
B:
Yes,
please.
I
need
______.
A:
How
about
this/
these
white______?
B:
Oh,
I
like
this
one/
them.
How
______
is
it/
are
they?
A:
It’s/They’re
only
______
dollars.
B:
Oh,
good.
I’ll
_____
it/them.
Imagine
you
work
at
Mr.
Cool’s
Clothes
Store.
Complete
the
conversation.
A:
Hello,
______
I
help
you?
B:
Yes,
please.
I
need
______.
A:
How
about
this
white______?
B:
Oh,
I
like
this
one.
How
______
is
it?
A:
It’s
only
______
dollars.
B:
Oh,
good.
I’ll
_____
it.
Imagine
you
work
at
Mr.
Cool’s
Clothes
Store.
Complete
the
conversation.
bag
a
bag
much
take
17
Can
1.
1—12:
(记住每个单词)
2.
13—19:
-teen
(thir-,
fif-,
eigh-)
3.
20—90:
-ty
(twen-,
thir-,
for-,
fif-,
eigh-)
4.
21—99:
十位
__
个位
5.
100—900:
_______
hundred
6.
101—999:
__
hundred
and
__
个位
十位
__
__
个位
Summary
一、填表格，记数字。
10
11
15
ten
thirteen
twelve
20
18
30
sixteen
nineteen
26
28
39
twenty-one
thirty-five
eleven
13
fifteen
12
twenty
16
eighteen
19
thirty
twenty-six
21
twenty-eight
35
thirty-nine
Exercises
做数学题，学英语。
1.
twenty-six
-
twelve
-
nine
=
______
2.
sixteen
＋
eight
＋
eleven
=
____
3.
eighteen
-
seven
＋
fifteen
=
_________
4.
thirteen＋fourteen-twenty-five
=
_____
5.
twenty-nine
-
thirteen
-
ten
=
_________
6.
thirty-nine
-
twenty
-
five
=_________
7.
twelve
＋
thirteen
-
fifteen=
_________
8.
nineteen
-
eleven
＋
twenty
=_________
five
thirty-five
twenty-six
two
six
fourteen
ten
twenty-eight
按规律复习所学的有关数字的词汇，并强化记忆。
完成练习册的相关内容。
预习课本P41-P42。