PEP四年级英语下册Unit 4 B Let’s talk.doc

PEP四年级英语下册Unit 4 B Lets talk教学设计乐亭县百善学校 梁蕊教学内容：B Lets talkLets play教学目标：学生能够理解对话大意；能够用正确的语音、语调朗读对话；能够在情境中恰当运用句型What are those? Theyre问答物品名称；能运用句型Are they? Yes, they are. /No, they arent. 确认是否为某种物品。教学重点：在情景中学习句型What are those? Theyre和Are they? Yes, they are. /No, they arent.教学难点： these和those的区别与用法，。课前准备：1. 教师准备录音机、磁带和多媒体课件。2. 课前将ducks, hens, dogs, pigs的图片贴在教室远处的墙上。3. horses图片教学过程：一. 热身（Warm-up）1.师生问候，复习A部分的课文对话，并根据课前所带蔬菜进行问答。2.教师播放三年级所学歌曲Old Macdonald，学生根据课件呈现内容边拍手边唱儿歌，为本课新授内容作铺垫。（设计意图：歌曲能使学生感到轻松，愉快，满足，产生兴奋情绪，在明快优美的旋律中，为学生渲染了学习动物的情感和氛围，又调动了学生的学习兴趣，为下一步教学做好准备。） 二. 新课呈现（Presentation）1. Mr Macdonald has a farm, there are a lot of animals. 课件呈现远处跑来一匹马，Whats that? Its a horse. 师板书or, can you try to spell “horse”? S1,S2,师补充单词horse，齐拼读。课件呈现远处又跑来一匹马，What are those? Theyre horses.师板书Theyre s. 师带读horsehorsesTheyre horses. S1,S2, S3师指两匹马What are those? Theyre horses.课件呈现近处走来一群鸭子，What are these? Theyre ducks.（设计意图：这样利用多媒体课件创设情境，学生探索新知的欲望非常强烈，他们带着强烈的好奇心和浓厚的学习兴趣，积极主动地开始新知识的学习。）2.师分别指课件近处的一群鸭子和远处的两匹马， What are these? What are those? 师呈现单词卡these和those, what are the differences? S1:these离得近，those离得远，师展开单词卡呈现汉意，分别带读单词，o-ethoseWhat are those? 师板书句子，并带读S1,S2,S3师将horses图片拿给最后一排的学生问S1: Hello, X X, What are those? S1:连锁问答。（设计意图：通过多媒体将本课重点进行了鲜明的对比，学生容易接受，印象深刻，一目了然。）3. 课前教室远处的墙壁上贴有ducks, hens, dogs, pigs的图片，Look, 师指墙上母鸡图， What are those? Theyre hens. T板书hen, 并带读，boys, girls, together. 师分别指墙上dogs图What are those? S2师指pigs图What about those? S3, S4Theyre pigs. Pair work操练对话。4. 师指墙上的动物图片Wow, how many animals do you have?师数1, 2, 3We have a lot of animals, 师呈现短语a lot of animals许多动物，lota lot ofanimala lot of animals，巩固操练短语S1,S2,S3Mr Macdonald has a big farm. Who wants to be Mr Macdonald ? T:You have a lot of animals. What are those? S1T: How many horses do you have? S 师与S1示范后pair work , 同桌展示。5. I have a card. Whats on my card? You may guess with“Are they”师板书Are they? Here are 4 tips. 课件显示Tip1: Theyre animals. 学生试猜Are they? 面对学生猜不中的情况，师用No, they arent.来回答并板书。课件逐渐呈现Tip2: Theyre black and white. Tip3: They like grass(草). Tips: They have milk.学生猜中后显示谜底Theyre cows. 师带读ow-cow-cows. Are they cows? Yes, they are. 师板书Yes, they are. （设计意图：通过此次猜一猜活动又掀起一次学习的高潮，利用游戏练习本课句型Are they，让每一位学生都能踊跃展示自己，积极表现自己。）三. 巩固和延伸（Consolidation and extension）1. 教师播放B Lets talk部分的动画，学生听并回答问题，How many horses does Mr Macdonald have? 学生听对话并跟读，学生自己选择角色，人机对话，学生三人一组分角色表演对话，教师巡视，学生分组展示对话。（设计意图：本环节是为了更好地巩固本课的教学效果。通过人机对话，人人对话，对话角色表演，培养学生用英语进行交际的能力，人人参与，体现了教学面向全体，关注全体的教学理念，调动了学生主动参与教学活动的积极性。） 2. 课件呈现课本第二部分Lets play.教师拿出课前准备的卡片，上面写有一种动物的名称和叫声，如cat-meow,学生两人一组，随机抽取卡片并表演，台下学生用Are they？猜测动物名称。（设计意图：游戏是学生们喜爱的活动之一，通过游戏活动进一步巩固本节课的重点句型，同时注重学生间的合作与交流，发挥英语的交际功能。）四. 作业（Homew