《How much are these socks?》PPT課件3

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 __ ?

... ... ...

閱讀指導:

首先，讀短文過程中，劃出廣告中所售的衣物，并圈出該物品的價格。

然后，看圖片中的物品并注意其顏色，與短文中所描述的物品相對應。

最后，將衣物名稱與價格一一對應，填入價簽中。

Imagine you work at Mr. Cool’s Clothes Store. Complete the conversation.?

You: Hello, ______ I help you?

Girl: Yes, please. I need a ______.

You: How about these purple ______.

Girl: Oh, I like this one. How ______ is it?

You: It’s only ______ dollars.

Girl: Oh, good. I’ll _____ it.

You: And what do you need??

Boy: Well, I need a pair of black ____ for school.?

... ... ...

1. 基數(shù)詞的表達

1) one到twelve, 拼寫和讀音無規(guī)律可言, 只能逐一記憶。

2) thirteen到nineteen，表示“十幾”，在個位數(shù)后加后綴-teen，其中要注意thirteen, fifteen和eighteen的拼寫。

3) twenty到ninety，表示“幾十”，以ty結尾，但需注意twenty, thirty, forty, fifty, eighty的拼寫。?

2. 基數(shù)詞的用法：?

基數(shù)詞只能修飾可數(shù)名詞，要注意數(shù)詞和名詞在數(shù)上要保持一致。如：

one student ?一名學生 ?

two boys 兩名男孩

twenty apples ?二十個蘋果 ??

thirty-three eggs 三十三個雞蛋

... ... ...

做數(shù)學題，學英語。

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 =___________

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