Unit 8 Who is the first? 课件

课件41张PPT。Unit8 Who is the first?二、单元学习1．Listen and circle.How many balloons can you see?
I can see five balloons.How many apples can you see?
I can see three apples.How many books can you see?
I can see ten books.How many kangaroos can you see?
I can see four kangaroos.How many cars can you see?
I can see eight cars.How many cars can you see?
I can see fifteen cars.How many peaches can you see?
I can see nine peaches.How many kites can you see?
I can see six kites.快速说一说159222012195251611313zeroonetwothreefourfivesixseveneightninezerofirstsecondthirdfourthfifthsixthseventheighthninthHe is the first.He is the second.He is the third.2．Look and say. Who is the first, the second and the third?3．Let’s sing and point.This is the first.
This is the second.
This is the third.
This is the fourth.
This is the fifth.
This is the sixth.
This is the seventh.
This is the eighth.
This is the ninth.
This is the tenth.表示次序的数词叫序数词，是由基数词变化而来的。基数词序数词 one first 1st

two second 2nd
three third 3rd
其余的序数词是由基数词后加-th 变化而来。缩写几个特殊变化的序数词 基数词 序数词 缩写
five fifth 5th
twelve twelfth 12th
eight eighth 8th
nine ninth 9th整十的序数词把 y 变成 i加-eth
基数词 序数词 缩写
twenty twentieth 20th
thirty thirtieth 30th
forty fortieth 40th
fifty fiftieth 50th
你能写出 sixty seventy eighty ninety 的序数词吗？firstsecondthirdTomPeterSamWho is the first？Liu Xiang is the first.基数变序数口诀：
第一、二、三要全变， （即 first ，second ，third 没有规律，需死记硬背）其它th 加后边， （基本规律是在词尾加th）加th 时有例外， 你需格外记明白：八减 t ， (eight-eighth)九去 e ， (nine-ninth)字母f 代 ve ， (five-fifth, twelve-twelfth)ty 变成tie ， (即以ty结尾的整十数把ty变成tie：twenty-twentieth,thirty-thirtieth....)然后再加 th ，若是遇到两位数，十位基数个位序。注意：序数词前必须加定冠词 the
The first
The fifth
The tenthWho is the first ?Amy is the first .
Amy is first.
Amy is a first.
(T) (F) (F)twenty_____twentieth变ty为tie 加thTwenty oneTwenty-firstTwenty-threeTwenty-thirdThirty-fourthirty-fourth4．Read and practise. New words :first
second
third
fourth
fifth
sixth
seventh
eighth
ninth
tenth
eleventh
twelfth
thirteenth
fourteenth
fifteenth
sixteenth
seventeenth
eighteenth
nineteenth
twentiethHow many
floors are
there?buildingapartmentI live on the
third floorWhich floor do you
live on？Which floor do you live on? I live on the__ floor.firstsecond5．Read, choose and retell. 答案：
1) on　　　　2) using　　　 3) be helped
4) were　　　5) fell　　　　 6) chose6．Look, read and answer. 答案：first, children, happy, girl, school, happy, first, greet.7．Look and say. Who is the first to spot the differences?8．Pairwork. Ask and answer in pairs. 1) Who is the first person to get up in your family?
2) Who is the first person to go to bed in the evening?
3) Who is the first person to watch TV in your family?
4) Who is the first person to read a newspaper at home?
5) Who is the first person to leave the house?
6) Who is the first person to come home?
7) Who was the first person to know something about a computer?
8) Who was the first person to learn to sing an English song at home?9．Look and make. Make a singing balloon!1) Get a big balloon.
2) Find a small coin.
3) Put the coin inside the balloon, and blow it up.
4) Tie it up, and move it in circles.
5) Move it slowly and listen. What’s the sound?
6) Move it quickly and listen. What’s that sound?
三、单元小结1．Words.
first, second, third, fourth, fifth, sixth, seventh, eighth, ninth, tenth, eleventh, twelfth, thirteenth, fourteenth, fifteenth, sixteenth, 2. Sentences.(1)Who is the first?
(2)Who is the second and the third?
(3)This is the first.
(4)Which floor do you live on?
(5)I live on the ninth floor.
(6)What are the differences?
(7) Who is the first person to get up in your family?