人教版七年级英语上册Unit 7 How much are these socks? Period 3（Section B 1a-2c）教案

Period 3 (Section B 1a-2c)
设计说明
在学习完Section A的基础上，Section B继续扩展，以听、说、读、写的形式开展对数字的教学，并设计了听对话找物品的活动，实现了新旧知识的综合运用，促销广告引出了阅读任务，通过进行阅读技能的训练，提高学生的语言运用能力。
教学目标
1. 知识目标：
(1)掌握单词：ten，eleven，twelve，thirteen，fifteen，eighteen，twenty，thirty，Mr. ，clothes，store，buy，sale，sell，all，very，price，boy；短语：at great sale，at very good prices，for boys/girls，in purple，a pair of。
(2)掌握句型：Come and buy...at our great sale!
We sell...at very good prices.
We have...for...
Come to...
(3)学会数字10~31，进一步练习询问物品价格的句型。
2. 能力目标：
(1)通过观察、比较发现学习中所出现的规律，掌握基数词10至31的发音和拼写。
(2)学会在阅读中获取有关信息，掌握阅读技能；练习询问价格，学会做价格报告。
3. 情感目标：
引导学生合理消费，培养节俭意识并进一步激发学习英语的兴趣。
重点难点
1. 重点：
基数词10至31的发音和拼写规律；掌握新出现的有用表达。
2. 难点：
含实义动词的一般现在时的肯定句、否定句和一般疑问句结构，尤其要注意主语为第三人称单数形式时的变化。
教学准备
设计并制作本课时所涉及的服装图片、教学幻灯片或准备实物、录音机及本课的录音带或MP3。
教学过程
Step 1　Greetings and leading in
Greet the students，and then ask them to answer the teacher’s questions.
T：What’s your name S：My name is...
T：How old are you S：I’m...
T：Do you have a soccer ball S：Yes，...
T：How much is your pencil S：It’s...
T：Do you like going shopping S：Yes，...
T：What’s your telephone number S：My telephone number is...
The teacher writes some telephone numbers on the blackboard，such as，496-3539，685-6034...
Ask the students to read the telephone numbers.
Step 2　Presentation
1. Let the students look at the numbers in 1a for two minutes. Then ask them to close the books. Play the tape for the students. Ask them to listen carefully and repeat.
2. Write the numbers in 1a next to the correct words.
3. Write the numbers in English.
0zero　　　　　 1one　　　　　 2two
3three 4four 5five
6six 7seven 8eight
9nine 10ten
4. Write the numbers next to the words.
(1)eleven 11 　　　　　 twelve 12
Notes：基数词 zero...twelve需要单独记忆。
(2)thirteen 13 fourteen 14
fifteen 15 sixteen 16
seventeen17 eighteen18
nineteen 19
Notes：基数词thirteen...nineteen 都以 -teen 结尾。
(3)twenty 20 thirty 30
forty 40 fifty 50
sixty 60 seventy 70
eighty 80 ninety 90
Notes：基数词twenty...ninety(整十)都以 -ty 结尾。
(4)twenty-one21 thirty-five35
forty-nine49 twenty-five25
Notes：基数词十位与个位之间需用“-”连接。
思考：Tina说14 和40就是在 4(four)后面分别加“teen” 和“ty”，她的说法对吗？不对，fourteen(14)是four+teen，而forty(40)不是。
Step 3　Listening
1. Listen and circle the numbers the students hear in 1a. Then check the answers in class.
Answers：fifteen(15)，eleven(11)，twenty(20)，sixteen(16)
2. Listen again. Circle the things in the picture that Kate and her mom talk about. Check the thing Kate buys.
Answers：Circled：blue sweater，red socks，T-shirt，green sweater，trousers
Checked：trousers
3. Ask the students to make short conversations about the things in the picture in 1d.
Model：
A：How much is the blue sweater
B：It’s 15 dollars.
4. Match each clothing item with a price in 2a.
Answers will vary.
Step 4　Reading
1. Ask the students to read the ad and fill in the price tags in 2b. Then check the answers.
Answers：green sweaters：＄15
yellow sweaters：＄12
black trousers (for boys)：＄22
shorts (for boys)：＄16
purple skirts (for girls)：＄20
jackets：＄30
black shoes：＄28
socks：＄2 for three pairs
2. Try to get the information about the clothes store. And try to guess the meaning of the new words：buy，sell，sale，very，price.
Then try to answer the following questions：
①What clothes can you see in the picture
②Are all the clothes on sale
③What clothes are for boys
④How much are the red skirts
Answers：
①We/I can see green sweaters，yellow sweaters，black trousers，shorts，shoes，socks，jackets，hats，red skirts，purple skirts.
②No，they aren’t.
③Black trousers and shorts.
④We don’t know.
3. Explanation
①Come and buy your clothes at our great sale!
②at very good prices
③Come to...
4. Retell the passage according to the price tags.
5. Work in groups：
(1)价格的三种表达方式：
①at the price of+价钱
We have sweaters at the price of ＄9.
②for+价钱
We have sweaters for ＄9.
③be+价钱
The sweaters are ＄9.
Exercises
①We have socks at the price of ＄5.
②We have socks for ＄5.
③The socks are ＄5.
(2)物品颜色的表达方式：
①颜色+物品　②物品+in+颜色
green sweaters=sweaters in green
purple skirts=skirts in purple
翻译：我弟弟有黑色的袜子。
①My brother has black socks.
②My brother has socks in black.
(3)Come and buy...是一个祈使句。表命令、请求、建议的句子称为祈使句。
在2b中找出另一个祈使句：Come to Mr. Cool’s Clothes Store now!
Step 5　Group work
1. Complete the conversation in 2c. Then check the answers.
Answers：can，skirt，skirts，much，20/twenty，take，shoes，only，dollars，16/sixteen，shoes，shorts(仅供参考)
2. Practice the conversation in a group.
Step 6　Summary
In this lesson，we have learned：
1. Numbers：10~31
2. New words and phrases：Mr. ，clothes，store，buy，sale，sell，all，very，price，boy，at great sale，at very good prices，for boys/girls，in purple，a pair of.
3. Sentences：Come and buy...at our great sale!
We sell...at very good prices.
We have...for...
Come to...
当堂达标(见导学案“当堂达标”)
答案与解析：
Ⅰ. 1. for　2. on　3. in　4. at　5. for
Ⅱ. 1. C　shorts为名词复数形式，故应选are。
2. A　on sale意为“在出售；大减价”；表示销售某物的具体价格时，常用for。主语是名词复数形式，故选A。
3. D　提问物品的价格用how much。
4. C　根据后句“I need...”可知，需要服务，故选C。
5. C　介词in后常跟表示颜色的词；at great sale意为“进行大甩卖”，故选C。
6. B　由句意可知帮助贫穷的学生的钱是通过卖旧书得到的，故此处用动词sell“卖”。
7. B　由后一句“5个女生和6个男生”可知，图书馆里有11个学生。
8. C　根据答语可知问句是在询问价格，应用“What is the price of... ”句型，故选C。
Ⅲ. 1. How much
2. What color
3. What，do
4. What’s the price of
5. We sell all our clothes at very good prices
6. doesn’t need
Ⅳ. 1. How much，pair of blue shoes
2. Come to
3. Can I help you
4. at very good prices
5. on sale for
Ⅴ. 1. girl　2. big　3. name　4. clothes　5. very　6. sell　7. in　8. for　9. boys　10. want
Step 7　Homework
1. Write down the new words of this lesson.
2. Retell the passage in 2b.
板书设计
UNIT 7　How much are these socks Period 3 (Section B 1a—2c)
Numbers 10~31 Mr.，clothes，store，buy，sale，sell，all，very，price，boy at great sale，at very good prices，for boys/girls，in purple，a pair of Come and buy...at our great sale! We sell...at very good prices. We have...for... Come to...
教学反思