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2012Unit7_How_much_are_these_socks Section B

发布时间:2013-12-20 10:42:19  

Section B

Presentation
ten thirteen

Numbers
eleven twelve

fourteen → four + teen 16 sixteen

fifteen 17 seventeen eighteen 19 nineteen

twenty thirty

→ twen + ty → thir + ty 40 forty fifty sixty

twenty-one thirty-two sixty-seven

50 60

70 80 90

seventy eighty ninty

1. 基数词的表达 1) one到twelve, 拼写和读音无规律可言, 只能逐一 记忆。 2) thirteen到nineteen,表示“十几”,在个位数 后加后缀-teen,其中要注意thirteen, fifteen和 eighteen的拼写。 3) twenty到ninety,表示“几十”,以ty结尾, 但需注意twenty, thirty, forty, fifty, eighty的拼写。 4) 21~29 直到91~99,表示“几十几”,用整十位 数加个位表示, 中间用连字符“-” 把十位和个位 连接起来。

5) one hundred 意为 “一百”,也可说a hundred,hundred可加具体数字,如nine hundred (900)。 2. 基数词的用法: 基数词只能修饰可数名词,要注意数词和 名词在数上要保持一致。如: one student 一名学生 two boys 两名男孩 twenty apples 二十个苹果 thirty-three eggs 三十三个鸡蛋

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

1b

Write the numbers in 1a next to the correct word. Which rows of numbers are in the wrong places?

ten 10 eleven __ twelve __ thirteen 13 fourteen 14 __ __ __ 12 11 twenty-five 25 __ twenty-six __ twenty-seven27 __ 26 twenty-eight 28 twenty-nine29 __ __ twenty __ twenty-one 21 __ twenty-two 22 20 twenty-three 23 twenty-four __ __ 24 15 16 fifteen __ sixteen __ seventeen 17 eighteen18 __ __ nineteen __ 19 thirty30 thirty-one31 __ __

Listen and circle the numbers 1c you hear in 1a.
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

1d

Listen again. Circle the things in the picture that Kate and her mom talk about. Check (√) the thing Kate buys.



How much is/are… ?

It’s…/ They’re…

Thinking

2a

How much do you think these things cost? Match each clothing item with a price. 3. socks ___ a 5. shorts __ d

1. a skirt ___ b

f 2. a sweater ___ 4. trousers ____ 6. shoes c __ e

a. $3 b. $15

c. $30 d. $20

e. $22 f. $25

price tags. Mr. Cool’s Clothes Store Come and buy your clothes at our great sale! We sell all our clothes at very good prices. Do you like sweaters? We have red and green sweaters for only $15! Yellow sweaters are only $12! Do you need trousers? For boys, we have black trousers for only $22. And shorts are only $16! For girls, we have skirts in purple for only $20. How much are our jackets? Only $30! And we have black shoes for only $28. Socks are only $2 for three pairs! Come to Mr. Cool’s Clothes Store now!

2b Read the ad and fill the

$ 15

$ 12

$ 20

$ 22

$ 16

3. buy用作动词,意为“买”,常用短语 为:buy sb. sth./buy sth. for sb.意为“给某 人买某物”。如: Let’s buy mom a new hat. (=Let’s buy a new hat for mom.) 我们给妈妈买顶新帽子吧。

4.

clothes指身上穿的各种服装,包括上衣, 内衣,裤子等,是衣服的总称。它不能直 接与数词连用,但可以与some, many, these或those等连用。如: Look! Some clothes are on sale over there. 看!那边的衣服大减价了。

5. sale是动词sell的名词形式,常用短语:on sale,意为“出售;廉价出售”,其同义短语 为at a great sale。如: The sweaters in the store are on sale today. 今天这家商店的毛衣大减价了。 6. all与定冠词、指示代词、形容词性物主代词 等限定词连用时,all应放于这些词之前。如: all the students 所有这些学生 all her clothes 她所有的衣服 all those rooms 所有那些房间

7. at very good prices意为“以合理的价格 (出售)”。price用作名词,意为 “价格”。 如: What’s the price of the book? 这本书多少钱? They have sweaters in all colors, at the price of$15 each. 他们有各种颜色的毛衣,每件售价是15元。

8. For girls, we have skirts in red and purple for only$20. 对于女孩,我们有红色和紫色 的裙子,仅售20元。 1) for girls中的for是“对于……而言”;for only$20中的for是“交换”的意思。 2) 该句中的 in 后接颜色的词,表示 “穿……颜色的……”。如: The girl in red is my sister. 那个穿红衣服的女孩是我妹妹。

2c Practice the conversation in a group.
You: Hello, Can I help you? Girl: Yes, please. I need a skirt. You: How about these purple skirts? Girl: Oh, I like this one. How much is it? You: It’s only 20 dollars. Girl: Oh, good. I’ll take it. You: And what do you need? Boy: Well, I need a pair of black shoes for school. You: What about this pair? They are only 28 dollars. Boy: Great. And do you have shorts, too? You: Yes, our shorts are only 16 dollars. Boy: OK. I’ll take the shoes and the shorts.

Exercises
一、填表格,记数字。
10 ten 11 eleven 16 sixteen 21 twentyone

13 thirteen 18
eighteen

15 fifteen 19 nineteen 35

12
twelve

20
twenty

30
thirty

26
twentysix

28 twentyeight

39

thirty-five thirtynine

二、做数学题,学英语。 five 1. twenty-six - twelve - nine = _______ thirty-five 2. sixteen + eight + eleven = _________ twenty-six 3. eighteen - seven + fifteen = ___________ 4. thirteen+fourteen-twenty-five = _____ two 5. twenty-nine-thirteen-ten = _________ six 6. thirty-nine - twenty - five =_________ fourteen ten 7. twelve + thirteen - fifteen= _________ twenty-eight 8. nineteen -eleven + twenty =___________

三、用介词at, for, in 填空。 For for 1. _____ girls, we you can buy skirt ____ ¥16. 2. The girl _____ red sweater is my cousin, in Jenny. 3. Come and buy your clothes ____ our great at sale. 4. Do you know the boy ____ black? in at 5. They sell nice clothes ______ good prices. 6. His grandfather likes noodles ____ breakfast. for at 7. Please call Allan ____ 789-5466.

Make a survey (

做调查)
name Jim What do you have? shoes What color? black and white How much? $ 10

Report like this:
Jim has shoes. They’re black and white. They’re ten dollars…

Bye-bye

2013-12-20


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