四年级上册Unit2B Let's talk

设计单元 pep四年级上册Unit2 B Lets talk教材分析 本课学习的核心句型是What colour is it? Its.对话复现了A部分的核心句型Whats in it? An English book.。教材通过张鹏在失物招领处寻找丢失的书包的情景，让学生感知上述句型的语义及情景。学生在三年级下册第四单元学过句型Is it in you toy box?在本单元A部分已掌握句型Whats in it?的用法。学情分析 学生在三年级已经学习并掌握了有关学习用品，颜色等话题词汇，例如文具：pen 、pencil、ruler等。颜色类单词：red、blue、black等。学生经过一年多的英语学习，已基本具备了一定的口语表达能力，四年级的学生乐于参与，善于模仿，学习英语的兴趣较高。教学目标知识目标：能够听、说、认读句型：what colour is it? Its.并能在情景中运用，理解生词lost、toy、notebook的意思。能力目标：能够在情景中运用句型what colour is it? Its.询问并回答物品的颜色，运用语境语言Here it is.等。情感目标：培养学生妥善保管自己物品的良好习惯，培养学生待人接物有礼貌。教学重点 能够听懂、会说、认读句型：what colour is it? Its., 并恰当运用，以及whats in it? 的提问并回答。教学难点能够在情景中恰当运用句型What colour is it? Its.,Whats in it? An English book、two toys and a notebook,询问并回答物品的颜色以及某处有何物品，能够理解Here it is. Excuse me. Thank you so much.的意思。 教 具PPT课件、单词/句型卡片、磁铁教学方法任务型教学法、TPR全身反应法教 学 过 程Step1 Warm up 1、Fisrt,lets chant(where is your mouth/hand/ear/eye? Here it is.). 2、Listen and point.T:Where is your mouth/hand/era/eye/book.?Ss:Here it is. 设计意图：通过热身活动调动学生的积极性，集中学生的注意力，同时达到组织课堂教学的目的。另一方面，在复习学生已有知识的基础上渗透本课的情景句Here it is!Step2 PresentationT:Lets begin our class.1、 呈现并学习lost and found.T:We are so happy today, but Zhang peng isnt happy. Whats the matter with Zhang peng?T:Where is he?(教师用课件出示“失物招领”的背景)Ss:He is at the lost and found.T:Whats lost and found?教师通过课件呈现失物招领图，使学生理解失物招领的意思。2、 学生观看视频感知句子。T:Zhang peng is at the lost and found. He lost something. Can you guess? He lost .(引导学生听前预测，并用lost 猜测结果，教师再用卡片教学lost)T:Lets watch a video.（放课件）Ss:He lost a schoolbag.教师用课件呈现张鹏的图片并加句子：I lost my schoolbag.T:Zhang peng is a polite boy. So he said: Excuse me .I lost my schoolbag.教师呈现excuse me 卡片，教读。连起整句Excuse me .I lost my schoolbag.并通过一些情景练习，让学生理解。T:Today ,Miss White is at the lost and found .Shes on duty today. Look!(教师以课件呈现一个大箱子，里面有很多物品，其中有几个书包)There are so many lost things in the box. Miss White ask Zhang peng two questions about his schoolbag. What are the questions(继续放视频)。Ss:What colour is it? Whats in it?教师在黑板上板书：What colour is it? Whats in it?教师继续放视频，教学新词汇toy、notebook.T:What colour is Zhang pengs schoolbag?Ss:It is blue and white .T:Whats in it?(提示A Chinese book、a toy or something)Ss:.教师以课件呈现张鹏书包里的东西。T：Whats in Zhang pengs schoolbag? Lets say together.Ss:An English book、two toys and a notebook.教师指导学生朗读句子。T：Does Miss White know which one is Zhang pengs schoolbag?Ss:Yes!T:How do you know? Who can read?S1:Miss White say: Here it is!(教师用卡片教学句子)T:So Zhang peng found his schoolbag. He is very happy. He said :thank you so much! 设计意图：通过说张鹏今天的心情引入本节课的情景：lost and found.通过放视频梳理文本内容使学生明白what colour is it? Whats in it?的意思，并通过分步呈现语境以及对话，加深学生对对话语境的理解。教师借助卡片引导学生在语境中学习新知识。Step3 PracticeT:Lets play a guessing game.(教师用课件呈现遮挡的书包和文具)Zhang pengs schoolbag is blue and white. Its nice. I have a schoolbag,too! What colour it is? Can you guess?Ss:It is.T:Whats in it?Ss:.T:So ,I have a new pencil box, too. Can you ask me some questions about it?Ss:What colour is it?T:Its.Ss:Whats in it?T:A/An.1、 教师用课件呈现以下内容，请学生排序。（ ）A ruler ,two pens ,three pencil and eraser.（ ）I lost a pencil box.（ ）What colour is it? （ ）Excuse me. （ ）Whats in it? （ ）Its yellow and green.呈现正确顺序对话。1、 Listen and repeat.(read in groups)Act out the dialogue. 设计意图：通过游戏操练核心句型：what colour is it? whats in it?并通过句子标序号进一步巩固本节课对话的结构和形式，听并复述，让学生对对话有更深的理解。T:Look!Here our friends: Mike 、Sarah、Wu yifan and Chen jie(教师用课件呈现四个人的头像)They lost something. Here are the notes about them. Lets help them find their lost things,ok?(教师分任务给各个小组).Step4 Consolidation 1、教师呈现新任务 T:Look!Here our friends: Mike 、Sarah、Wu yifan and Chen jie(教师用课件呈现四个人的头像)They lost something. Here are the notes about them. Lets help them find their lost things,ok?(教师分任务给各个小组).1、 In this lesson, what have we learned? Lets check.2、 If you pick up something ,what should you do?T:What should you do? We should hand them in and return them to the loser.设计意图：重新梳理整节课的内容，