(共17张PPT)
Unit
9
It's
one
hundred
Part
A-C
Lead
in
Presentation
1.
Can
you
count
to
twenty?
Here
we
go.
2.
Can
you
count
to
one
hundred?
Let
me
see.
A
Let's
Listen
and
Say
A
Let's
Listen
and
Say
Is
this
right,
Miss
Li?
Yes,
it’s
right.
Good!
Thank
you.
A
Let's
Listen
and
Say
Please
think
again.
Forty-six
and
fifty-four
is…
Oh!
I’m
wrong!
It’s
one
hundred.
Sentences
1.
Forty-six
and
fifty-four
is…
四十六加五十四等于……
详解：and在这里用来连接两个基数词，用于表达数
字运算，相当于“加”。
例句：
Ten
and
eleven
is
twenty-one.
拓展：
数字运算中“加”
“减”以及“等于”的英文表达方式：
＋
and
/
plus
－
minus
=
is
/
make
2.
It's
one
hundred.
它是一百。
详解：hundred是一个数词，意为“一百”，当它的前
面加上其它数词，表示确定的数目时，hundred
只能用单数形式。
例句：
I
can
count
in
English
from
one
to
three
hundred.
B
Let's
Learn
homework
right
wrong
B
Let's
Learn
76
seventy-six
87
eighty-seven
98
ninety-eight
99
ninety-nine
100
one
hundred
21
twenty-one
32
thirty-two
43
forty-three
54
fifty-four
65
sixty-five
Let's
play
Sharp
eyes
thirty-two
ninety-nine
twenty
eighty-seven
one
hundred
fifty-four
forty-three
seventy-six
fifty
twenty-one
sixty-five
C
Let's
Act
C
Let's
Act
I
can
count
in
English
from
1
to
100.
Good,
Peter.
Let’s
add
numbers.
C
Let's
Act
50
and
50
is
one
hundred.
40
and
60
is
one
hundred.
30
and
70
is
one
hundred.
Show
time
Can
you
say
more?
_________
and
_________
is
one
hundred.
_________
and
_________
is
one
hundred.
_________
and
_________
is
one
hundred.
_________
and
_________
is
one
hundred.
Homework
观看课文动画，按照正确的语音、语调朗读
Part
A
课文。
