英语人教版四年级下册Unit4At the farm A Lets learn.doc

Unit 4 At the farm第一课时教学内容： A Lets learn Lets chant教学目标：1、能听、说、认读单词：tomato、green beans、potato、carrot以及它们的复数形式。2、通过说唱A部分的歌谣巩固所学单词的复数形式教学重点：单词：tomato、green beans、potato、onion、carrot教学难点：potato和tomato的复数形式及carrots的发音课前准备:教材内容相关的教学课件，教学图片教学过程:一、热身 （Warm-up） 1. Greetings.2. Enjoy a song about vegetables.二、新课呈现（Presentation） 1.Show some pictures of vegetables.And Ss guess the topic-“at the farm”.2.情景创设：QQ farm。参观王叔叔的农场。PPT展示一块田地，Ss猜一猜种了什么:Whats this?教师PPT呈现一个西红柿图片，教学tomato。带读并板书。再呈现一堆西红柿的图片：What are these? 引导学生回答：They are tomatoes.带读并板书tomatoes. 用红色描es.以示突出。强调tomato的复数形式是加es. 教师说：I like tomatoes. Do you like tomatoes?引导学生回答。放在I like 或I dont like句型中进行操练. 回到PPT图片，教师说Look at the tomatoes. 引导学生描述：They are red. They are round. They are juicy. 3. PPT展示一块田地，Ss猜一猜种了什么:Whats this?教师PPT呈现一个土豆图片，教学potato。出示图片问：Do you know it？French fries are made of it. Its a potato. 出示多个土豆的图片：What are these? 引导学生回答They are potatoes. 板书并用不同颜色粉笔突出其复数es. Do you like potatoes? 学生根据用I like 或I dont like根据自己的实际进行情况表达。4. PPT展示一块田地，Ss猜一猜种了什么:Whats this?教师PPT呈现一个胡萝卜图片，教学carro。请学生猜谜语：They are long and orange. Rabbits like eating them? What are they? 学习单词carrots。5. PPT展示一块田地，Ss猜一猜种了什么:Whats this?教师PPT呈现一个青豆图片，教学green bean. 教师再拿起一夹青豆，边说边完全呈现：Oh，its long and green. They are green beans. Do you like green beans? 让学生在回答中学习单词。6. PPT展示一块田地，Ss猜一猜种了什么:Whats this?教师PPT呈现一个洋葱图片，教学onion。呈现多个洋葱图片，教学onions。三、练习与巩固（Practice and consolidation）1、快速说出单词的复数形式：tomatoes,potatoes,carrots,green beans.2、Whats missing.3、Sharp eyes.4、Which basket？5、Pair work：同桌互说Look at the. They are. 6、I like vegetables. I like tomatoes, I love to eat green beans. But I dont like to eat onions. (简单教学onion)导入Lets chant的学习7、播放第39页的录音，要求学生第一次先认真听，第二次轻轻跟唱，第三大声跟唱。（让学生观察歌谣中like后的蔬菜单词形式。启发学生说出like后的名词是以复数形式出现的。教师适当强调tomato和potato的复数形式拼写的变化，carrot的复数形式读音的变化四、总结（Summary） 让学生主动说出这一堂课学到了什么有哪些收获。归纳总结简单明了，让学生自主发挥，自我求知，促进学生思维的活泼和才能的发挥，使得记忆更加深刻，知识更加牢固。五、家庭作业：（Homework）: Read the new words to your partner 。读新单词给你的同伴听。Read “Lets chant”。读“Lets chant”。板书设计：Unit 4 At the farmA Lets learn图片图片图片图片图片tomatoes green beans carrots potatoes onoins第二课时教学内容：A Lets talk Lets play 教学目标：1、巩固蔬菜的单词potato, tomato, onion, green beans, carrots.2、能够掌握三会句型：What are these/those? Are they及其简略回答。能结合实际情景运用句型。 教学重点：能“三会”询问蔬菜的句型What are these /those? They are. Are these/those.? Yes, they are .No, they arent.教学难点：these /those的发音及其运用中的区别。教学准备： 1、准备录音机，相关的录音带和教学光碟。2、准备A Lets Learn 部分的单词卡片和A Lets talk部分的教学挂图。3、制作教学多媒体课件。教学过程： 一、热身/复习（Warm up/Revision） 1、Greetings 2、Revision 1) A Lets chant巩固个蔬菜单词 2) Lets do把五个蔬菜图片贴在教室，T：Now our classroom is a big farm. There are many vegetables on the farm. What are they ?Ss:They are onions /tomatoes/potatoes/carrots/ cucumbers.T: Now Lets do ,I say your group name , You group must say it out loudly.3) 谜语教师说谜语，引导学生用Are they?来猜猜是什么蔬菜。They are red. They look like apples, but they arent apples. What are they?They are tender and green. What are they?They are long and orange. Rabbits like eating them. What are they?They are round, pink and white. What are they?They are brown. French fries are made of them. What are they?学生猜对了，教师回答Yes，they are.并拿出相应的单词卡片请学生拼读；如果猜错了，教师回答No, they arent. 再请其他人猜, 直到猜对为止。二、新课呈现（Presentation） (1)教学these, those利用“Vegetable Farm”这一情景，教师将自己带来的蔬菜分别放在各个组桌面上, 然后教师走到Group Tomato同学们中间，指着这一组的同学说。同时教师做走近走远的动作。T: These are potatoes. Ss: These are potatoes.T: Those are tomatoes. Ss: Those are tomatoes.T: These are potatoes. Ss: Those are potatoes.（2）教授Are these /those. ? Yes, they are ./No, they arent.教师打开自制课件，请学生看一遍顾客和服务员的问答。然后提问：顾客为什么要用Are those tomatees问，而不用Are these tomatoes?问，两者有什么区别？教师根据学生的理解情况适当讲Are those 的用法。 教师走远Group Tomato指着Group Tomato蔬菜,用Are those .?随意说一种蔬菜名，然后点击，启发学生根据看到的用Yes, they are. / No, they arent.回答。教师进行板书。教师打开自制课件，操练 Are those/these.? Yes, they are. No, they arent.然后点击印证，先让全班一起回答，然后个人回答。(3) Lets chant Are these desks? Are these desks? (配上相应的动作,学生双手拍桌子)Yes, they are. Yes, they are.Are those fans? Are those fans? (学生用手指着课室天花板上的风扇.)Yes, they are. Yes, they are.（4）教学What are these/those?教师再次走近各蔬菜组如走近Group TomatoT: What are these？Ss :引导学生用They are 回答。教师进行板书。走近Group Carrot (引导Group Tomato的学生问What are these?)S1: They are carrots.走远Group Carrot T: What are those? Ss: They are carrots.三、操练（Practice）(1) 传蔬菜卡游戏 (游戏说明: 听音乐传蔬菜卡, 音乐一停,拿到蔬菜卡的同学便起来用本节课学的句型Are these/those.? What are these/those? 并由该学生点另一名学生起来按蔬菜卡上的内容回答.(2)Lets talk：1）播放录音2遍。第一遍，只听音明白课文的内容。第二遍，学生听录音，后跟读、模仿。2）找一成绩好的学生和教师一起扮演对话，使用“Vegetable Farm” 教室情景表演Lets talk的内容（教师做相应的动作让学生明白课文大意）。3) 学生三个一组进行操练，并表演(3)Group work 做一新的对话（提升练习）四人组成一组，每人出一张单词卡（背面示人）可组织对话如下：S1: What are these?S2: Are these green beans?S3: Yes, they are./No, they arent.S1: Look .They are potatoes.四、巩固与拓展（Consolidation and extension