Unit 2 Lesson 8 First,Second,Third 课件(共15张PPT)

(共15张PPT)
Lesson 8
First, Second, Third
冀教版 四年级下册
东郭固小学
十二月
一月
十一月
八月
十月
九月
七月
五月
六月
四月
三月
二月
August
January
April
October
December
March
May
July
June
November
February
September
东郭固小学
This is a race.（比赛）
The girl is the second.
Li Ming is the first.
The boy is the third.
second
third
基数词
序数词
first
one
two
three
four
fi
ve
six
seven
eight
nin
e
ten
th
f
th
th
th
h
th
th
one
two
three
four
five
six
seven
eight
nine
ten
除了第一第二第三外,其余的序数词都是从基数词加 th 变化来的
sixteen
nineteen
seventeen
eighteen
thirteen
fourteen
fifteen

eleven
th
twel
th
th
ve
f
th
th
th
th
th
th
整十数的序数词是把整十数基数词的词尾y改为ie再加th
整十数的序数词：
twent
2. thirty
3. forty
4. fifty



thirtieth
fortieth
fiftieth
eighty
ninety
sixty
seventy
hundred
y
ie
th
两位数序数词的表示方法：
几十几的序数词，十位数不变，个位数变成序数词，中间用“-”连起来
1. twenty-one

twenty-first
2. twenty-three

twenty-third
3. twenty-nine

twenty-ninth
1,2,3特殊记
“th”从4以上记
8减“t”,9减“e” (eight-eighth, nine-ninth)
“ve”要用“f”替 (five-fifth,twelve-twelfth)
整十去“y”变“ie”加th (twenty-twentieth)
要问几十几或几百几
只变个位记心里！
( twenty-two --twenty-second)
序数词记忆规律：
Sunday
Saturday
Friday
Thursday
Wednesday
Tuesday
Monday
星期日
星期六
星期三
星期四
星期五
星期二
星期一
2
12
11
What day is it？
It is Tuesday.







今天星期几？
What is the date?
It is March eighteenth.
(Mar. 18th)
4
3
10
9
6
1








What day is it？
It’s Tuesday, March eighteenth.
When is your birthday?
It is …….

谢 谢