英语人教版四年级下册教案——unit4 At the farm.docx

Unit4 At the farm 唐颖教学目标：知识目标：1.借助图片，帮助学生正确理解本课的对话大意。2.培养学生用正确的语音、语调朗读对话，并能进行角色表演。能力目标：1.在情景中运用所学句型问答是否是某种蔬菜以及是何种蔬菜：Are these carrots? Yes, they are. What are these? Theyre tomatoes.2.在情景中恰当运用句型Theyre good. Theyre so big! 来描述蔬菜特点。情感目标：1.培养学生学会合作交往，并知道赞美身边的物品，融洽同学之间的关系。2.教育学生从小养成多吃蔬菜、水果的好习惯。教学重点：1.在情景中运用所学句型问答是否是某种蔬菜以及是何种蔬菜：Are these carrots? Yes, they are. What are these? Theyre tomatoes.2.在情景中恰当运用句型Theyre good. Theyre so big! 来描述蔬菜特点。教学难点：在语境中理解carrot和tomato的汉语意思，并能正确发音。教具准备：录音机、多媒体课件教学过程：一、热身 （Warm up）:Sing:Old MacDonald had a farm 【设计意图】课上，利用多媒体课件播放英文歌曲Old MacDonald had a farm,师生边唱边跳，在优美的乐曲中拉开本节课的序幕。通过TPR“全身动作反应法”，演唱英文歌曲，烘托课堂氛围，帮助学生尽快进入学习状态，充分调动学生学习英语的兴趣。二、复习 （Revision）：出示PPT：Old MacDonald had a farm. I have a farm , too. Look! This is my farm.Talk about this picture in groups.Look at this.1、Whats this ?2、Do you like oranges /apples? Why?【设计意图】呈现真实的语境，让学生学会观察图片，渗透描述性形容词big、good,复习旧知，为学习本课的会话做铺垫。三、新课展示 (Presentation)（一）观察图画，激趣导入1、 What are these ?2、 Do you like watermelons? Why?3、Are these apples ?【设计意图】运用多媒体课件，教师因势利导，出示本课的话题，引导学生关注本课的对话内容，从而更加激发学生探究新知的兴趣。情景创设1、教师手举一个西红柿，说：I like tomatoes. Do you like tomatoes?引导学生用I like 或I dont like根据自己的实际情况表达。2、 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。3、 出示土豆：Do you know it？French fries are made of it. Its a potato. 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。新 课 标 第 一 网4、请学生猜谜语：They are long and orange. Rabbits like eating them? What are they? 学习单词carrot。5、 教师将四种蔬菜分别放在教室的不同位置，然后说单词，请学生指出相应的实物。 1、教师请学生看着书听歌谣。2、让学生观察歌谣中like后的蔬菜单词和Lets learn中的单词有什么不同。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。（二）目标导学，探究新知1、观察图画，导入新知There are some vegetables at my farm.（1）西红柿图片提问：Whats this? Its a tamato.What are these ? Theyretomatoes. (板书句型)（2）胡萝卜图片提问：Whats this ? Its a carrot.What are these ? They are carrots.Are thesecarrots? Yes, they are. (板书句型)（3）情感渗透：Tomatoes and carrots are vegetables. Please remember:Every vegetable is healthy for our body.【设计意图】巧用多媒体课件，引出本课的主要句型，激发学生的学习兴趣。通过仔细观察图片，帮助学生在语境中正确理解名词复数的用法及读音。教师因势利导对学生进行情感教育，教育学生从小养成多吃蔬菜的好习惯。2、巩固操练，当堂达标Please take out your English study guides. Lets do some exercises.choose the right answer (看图选择)1、（一个苹果图片） （ ）A、Whats this ? B、What are these?2、（二个樱桃图片） （ ）A、Whats this ? B、What are these?3、（三个西红柿图片）（ ）A、Is this a tomato? B、Are these tomatoes?4、（四个胡萝卜图片）（ ）A、Are these carrots ? B、Is this a carrot?【设计意图】课前布置英语学习指南，课上检测，当堂考查学生对句型的应用程度，加深学生记忆，同时开拓学生的视野，培养学生自由运用英语的能力。3、游戏教学，拓展句型（1）Lets play a game What animals are at the farm?Now we are at the farm. Lets see What animals are at the farm? This group ,please come to the front.If I say “rabbit” ,please do the action.教师请学生自己提问，让学生自己回答。T: Who can ask?S1: What are these ?S2: Are these dogs? Yes or No? These are ducks.师生共同边说边做操练句型：What are these? Are these ?(horses / ducks /cows /cats/ pigs/ rabbits/dogs/roosters/hens)(2)Ask and answer:Pratice the pictures in groups.（苹果、葡萄、香蕉、梨图片）（3）Lets try.（运用所学句型，请学生自编歌谣或歌曲。）Can you say the chant or sing a song with the new drills?Please try in groups.Which group would like to say?【设计意图】精心设计游戏环节，充分调动学生学习英语的积极性，引导学生更加关注句型教学，让学生在玩中学，收到事半功倍的教学效果。4、感知会话， 检测目标Are you happy at the farm? NowOur friends, Sarah and Mike , are at the farm. Lets go to see.（1）点击课件，倾听会话。Listen to the tape quietly.（倾听录音）（2）出示PPT: I have 3 questions.Answer my questions.1、What can they see? They can seeand .2、How are the carrots? They are.3、How are the tomatoes? They are .（3）Open your English book. Listen again.（4）Please answer my questions.【设计意图】在学生充分预习的前提下，教师引导学生再次感知会话内容，引导学生从小养成良好的倾听习惯。教师让学生带着问题听音，既落实了本课的教学目标，又培养了学生自主学习的能力。5、善于发现，敢于提问What questions do you have about this dialogue?【设计意图】运用“问题导学法”，用问题启迪学生的思维，创设问题学习情境，培养学生产生强烈的求知欲，激发学生的学习兴趣。（三）赏读入境，合作操练：（1）Listen and repeat.（2）Practice the dialogue in groups.（3）出示PPT: After reading, please finish“ I can read” in groups.（4）Read the dialogue in groups.【设计意图】进一步强化学生的语音、语调，培养学生从小养成跟读、模仿朗读会话的好习惯。通过反复倾听及朗读语言材料，强化学生记忆，培养学生的口语表达力。（四）演读升华，展示提升：You can read the dialogue very well.Lets act the dialogue. OK?PPT : You may choose one of the items. Play the dialogue in groups.1、表演对话。Play thedialogue .2、改编对话。Adapt the dialogue .3、创编新对话。Creat the dialogue .教师给出评比细则，依此奖励一、二、三颗星。【设计意图】此环节充分体现了英语的工具性，给学生提供展示的空间，培养他们大胆用英语进行交际的能力。通过“改编、创编对话”这一活动培养学生的想象力和创新能力，进一步提高学生的听说能力与综合语言运用能力，又可以促进学生的智力发展。同时运用小组评价机制，更加激励学生学习的积极性。（五）拓展目标，布置作业：1、Draw your new farm.2、Introduce your new farm to