人教版新目标英语七年级上册 第七单元第三课时 教学课件

1、Unit 7 How much are these socks? Section B 1a2c 七年级英语上 新目标 人 One two Three four Five six Seven eight Nine ten One two Three four Five six Seven eight Nine ten Put on your shoes Go to the store Buy the socks Take the shirt Come back again Put on your shoes Go to the store Buy the socks Take the shirt

2、 Thats the end Lets Chant! Say the numbers quickly. Numbers teneleventwelve thirteenfourteenfour+ teen sixteen seventeen nineteen fifteen eighteen twentytwen + ty thirtythir+ ty twenty-one twenty-two thirty-one Listen and repeat. 听一听，读一读。听一听，读一读。 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27

3、 28 29 30 31 1. 1 - 12: (记住每个单词记住每个单词) 2. 13 - 19: -teen (thir-; fif-; eigh-) 3. 20 - 90: -ty (twen-; thir-; for-; fif-; eigh-) 4. 21 - 99:十位十位 个位个位 Row 1: ten_ eleven_ twelve_ thirteen_ fourteen_ Row 2: twenty-five_twenty-six_twenty-seven_ twenty-eight_ twenty-nine_ Write the number in 1a next to t

4、he correct words. Which rows of numbers are in the wrong places? 10111213 14 2526 27 2829 Row 3: twenty_ twenty-one_twenty-two_ twenty-three_ twenty-four_ Row 4: fifteen_ sixteen_ seventeen_ eighteen_ nineteen_ Row 5: thirty_ thirty-one_ Write the number in 1a next to the correct words. Which rows o

5、f numbers are in the wrong places? 202122 2324 151617 1819 3031 Listen and circle the numbers you hear in 1a. 1011121314151617181920 2122232425262728293031 教材解读教材解读 基数词基数词 表示数目的词称为基数词。其形式如下表示数目的词称为基数词。其形式如下: (1)1-10one, two, three, four, five, six, seven, eight, nine, ten (2)11-19eleven, twelve, thi

6、rteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen 这里除这里除 eleven, twelve, thirteen, fifteen, eighteen为特为特 殊形式外殊形式外,fourteen,sixteen,seventeen,nineteen都是由都是由 其个位数形式后添加后缀其个位数形式后添加后缀-teen构成构成。 (3)21-99整数几十中除整数几十中除twenty,thirty,forty,fifty,eighty为为 特殊形式外特殊形式外,sixty,seventy,ninety都是其个位数形式后都

7、是其个位数形式后 添加后缀添加后缀-ty构成。表示几十几时构成。表示几十几时,在几十和个位基数词形在几十和个位基数词形 式之间添加连词符式之间添加连词符“ “-”。21 twenty-one,76 seventy-six。 【拓展拓展】 基数词记忆规则歌诀基数词记忆规则歌诀: 基数词不难记基数词不难记,找出规律很容易找出规律很容易: 零至十二形各异零至十二形各异,加上加上-teen为十几为十几, thirteen,fifteen看仔细看仔细,eighteen只有一个只有一个t; twenty却是很奇怪却是很奇怪,forty本身也不乖本身也不乖, eighty一起搞例外一起搞例外,跟着也把规则坏

8、跟着也把规则坏; 十位后面是个位十位后面是个位,表示数字表示数字“ “几十几几十几” ”, 表示表示“ “几百几十几几百几十几” ”,and常把百、十系。常把百、十系。 勤学妙记加练习勤学妙记加练习,hundred就是你的好成绩。就是你的好成绩。 Listen again. Circle the things in the picture that Kate and her mom talk about. Check () the thing Kate buys. Pairwork Ask and answer questions about the things in the picture

9、. 1. a skirt _ 3. socks _ 5. shorts _ 2. a sweater _ 4. trousers _ 6. shoes _ How much do you think these things cost? Match each clothing item with a price. ba f e d c a. $3 c. $30 e. $22 b. $15 d. $20 f. $25 sell store buy from price Mrs.Cools Clothes Store Read the ad. Mr. Cools Clothes Store Com

10、e and buy your clothes at our great sale! We sell all our clothes at very good prices. Do you like sweaters? We have 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 p

11、urple 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. Cools Clothes Store now! They are only $2 for three pairs. Its Mr. Cools Clothes Store. It sells clothes like sweaters, trousers, shorts, skirts, jackets, shoe

12、s and socks. Its $15 for green ones and $12 for yellow ones. No, they are not.They are for boys. Yes, they do.They are only $16. They are purple. 教材解读教材解读 1.at aprice的用法的用法 教材原句教材原句P41 We sell all our clothes at very good prices.我们出售的所有服装的价格非常合理。我们出售的所有服装的价格非常合理。 at aprice意为意为“以以的价格的价格”,其中介词其中介词at可理

13、可理 解为解为“以以”。price做名词做名词,意为意为“价格价格”,可用可用 “Whats the price of?”询问某物的价格。询问某物的价格。 They sold their cars at a good price.他们的汽车他们的汽车 卖了一个好价钱。卖了一个好价钱。 注意注意 表示价格的高低用表示价格的高低用high(高的高的)或或low(低的低的),而而 不用不用expensive(昂贵的昂贵的)和和cheap(便宜的便宜的)。 expensive和和cheap的主语应是的主语应是“物物”,表示表示“贵的贵的/便便 宜的宜的”。 联想助记联想助记 物品有贵物品有贵(expe

14、nsive)贱贱(cheap),价格有高价格有高(high)低低 (low)。 2.for的用法的用法 教材原句教材原句P41 For girls,we have skirts in purple for only $20.对于女孩子们而言对于女孩子们而言,我们有紫色的裙子我们有紫色的裙子,仅仅 售售20美元。美元。 本句中出现了两个介词本句中出现了两个介词for,第一个第一个for表示表示“就就 而言而言”,第二个第二个for表示表示“以以交换交换;换取换取”。 She is tall for her age.就她这个年龄而言就她这个年龄而言,她个子算她个子算 是高的。是高的。 We hav

15、e apples for 2 dollars each kilo.我们的苹我们的苹 果两美元一千克。果两美元一千克。 考点拓展考点拓展 for的其他用法的其他用法 (1)表示对象表示对象,用途。用途。 This book is for children.这本书是儿童读物。这本书是儿童读物。 (2)表示目的。表示目的。 He often goes out for a walk.他经常出去散步。他经常出去散步。 (3)表示对象。表示对象。 What can I do for you?我能为你做什么我能为你做什么? You: Hello, _ I help you? Girl: Yes, pleas

16、e. I need a _. You : How about these purple _? Girl: Oh, I like this one. How _ is it? You: Its only _ dollars. Girl: Oh, good. Ill _ it. You: And what do you need? Boy: Well, I need a pair of black _ for school. can skirt skirts much twenty take shoes Imagine you work at Mr. Cools Clothes Store. Co

17、mplete the conversation and practice it. You : What about this pair? Theyre _ twenty-eight _. Boy: Great. And do you have shorts, too? You : Yes, our shorts are only _ dollars. Boy: OK. Ill take the _ and the _ . only dollars sixteen shoesshorts Imagine you work at Mr. Cools Clothes Store. Complete

18、the conversation and practice it. Exercise .翻译短语翻译短语 1.11个足球个足球 2.14个西红柿个西红柿 3.23件衬衫件衬衫 4.28只红袜子只红袜子 5.31顶帽子顶帽子 6.30个乒乓球拍个乒乓球拍 7.15条短裤条短裤 8.12件毛衣件毛衣 9.13个学生个学生 10.18个时钟个时钟 eleven soccer balls fourteen tomatoes twenty-three shirts twenty-eight red socks thirty-one hats thirty ping-pong bats fifteen p

19、airs of shorts twelve sweaters thirteen students eighteen clocks .根据汉语提示完成句子根据汉语提示完成句子 1.Does Mrs.Green have a (服装服装) store? Yes, she does. 2.I want to (买买) a new schoolbag for school. 3.We (卖卖) the sports shoes. 4. Whats the (价格价格) of your new pencil box? Its 10 yuan. 5. The (男孩男孩) in a red hat is my brother.His name is Li Wei. 6.The sweaters are on (减价减价). clothes buy sell price boy sale .翻译句子翻译句子 1.快来买衣服快来