英语人教版四年级下册unit4 At the farm

Pep小学英语四下Unit4 At the farm A Lets learn教学设计 一、教材分析：本单元围绕“At the farm”这一题材展开，学习农场里的蔬菜和动物，以及单、复数的使用习惯。本课时是本单元的第一课时词汇教学课。重点学习的单词是carrot,tomato,potato和green bean,还有它们的复数形式变化carrotcarrots,tomatotomatoes,potatopotatoes和green beangreen beans,并能简单地描述蔬菜的特征，如：Look at the green beans. Theyre so long.学生能够理解名词的单复数变化，并能正确地运用。尤其要注意tomatotomatoes,potatopotatoes这两个单词的复数形式比较特别，本课时不打算深入探讨名词的单复数变化规律，只要求学生记住就行了。因此，在授课的过程中，运用以旧带新的方法自然引出新课内容，让学生新旧结合、不断积累，将所学的语言用于生活。二、学情分析：学生从三年级开始学习PEP英语，已经具备了一定的口语表达能力。学生在观察能力、思维能力、语言表达能力方面都有了较好的提高，有着强烈的好奇心与动手操作的能力。他们喜欢在自己的探索中获取知识，喜欢在玩中学，喜欢在做中学，喜欢在想中学，喜欢在用中学。三、教学内容Unit 4 At the farm A Lets learn。四、教学目标1知识目标（1）能够听、说、认读单词tomato，potato，carrot，green bean。（2）能理解句子Look at the green beans. Theyre so long. Yes, and the potatoes are big.（3）会说唱歌谣。2能力目标培养学生的口头表达能力和表演能力。3情感目标教育学生要有合理的饮食习惯。五、教学重难点教学重点：掌握三会单词tomato，potato，carrot，green beans。教学难点：掌握单词potato和tomato的复数形式。六、教学过程Step1 Warming up创设情境，导入新课。T: Today we are going to an interesting place.a) It has many animals.b) It has many vegetables.c) There are potatoes, tomatoes, carrots and green beans.Can you guess? Where are we going?Ss: Farm. T: Yes, we are going to the farm.Step 2 PresentationLets learn 1.Teach “tomato(es)-juicy”1)教师出示图片和实物，逐步引出one tomato，two tomatoes，从而引出tomato的复数形式。2) Play the finger exercises. 请学生看老师的手指数量来判断应该使用tomato还是tomatoes。3) Show tomatoes.T: Look at the tomatoes. What color are they？Ss: They are red.T: Yes. Theyre red and juicy. 2. Teach “potato(es)-tasty”1) Show a bag.T: Look at the bag. Can you touch and guess “Which one is the potato?”Ss touch it and try to find out the potato.通过这个“摸一摸”游戏，引出新单词potato，然后出示单词卡，让学生认读。接着引导学生数一数共有多少个potato。巩固操练potato的读音。2) Show the true potatoes.T: Look at the tomatoes. Theyre red. Look at the potatoes. Theyre brown.3)编一个chant巩固知识：Tomatoes, tomatoes, They are red.Potatoes, potatoes, They are big.带领学生分小组一起吟唱。3. Teach “carrot（s)-yummy”1) T: Lets play a guessing game: its a kind of vegetables. Its orange. The rabbits like it very much. Whats it？Ss can answer it both in Chinese and English. Then T will show the word card and the picture and drill it. T will lead activity and pick some S group to read.T: Then lets count the carrots in the picture. (e.g., One carrot, two carrots many carrots.)教师出示word card “carrots” 并张贴，教师带读，抽查2小组读。2) I like carrots. They are yummy.（出示单词卡抽读个别学生，教师带读新单词。)4. Teach “Green beans-tender-long”1) T: Show a picture of “green beans” and ask “what are these? Are they carrots?Ss: No, they arent. They are green beans. Ss show the word card and drill it.2) T: Look at the green beans. Theyre tender. I like green beans, I like green beans, tender, tender, tender. (Use the different intonations.)3) Look at the green beans. Theyre long. (Show two green beans and compare them.）Show the word card “long” and let Ss read it.4)Sing a song.Step 3 ExtentionGroup work: 选择一种你喜欢的水果进行描述。They are.Look at the.They are .(颜色)I like .Step 4 情感教育 Eating more vegetables and fruits are good for our health.多吃蔬菜水果有益健康。Step 5 Home workSearch more information about vegetables online. （上网搜索更多有关蔬菜的信息。） Say somethings ab