教材简析：本单元以“万圣节”为话题，重点学习do you like...? yes, i do. / no, i don't. i like...等句型。学生在4b中已经学过do you like dolls? yes, i do. / no, i don't.等句型。本单元会话中出现了购物的情境，学生在3b中也学过，单词除了动物类单词a chicken , a duck , a horse , a pig以外，其他动物类单词包括a monkey , a tiger 等，在本单元以复数形式再次出现。因此，教师可采用以旧引新的方法进行本单元的会话教学。我所执教的是第一课时，句型有do you like……?及其回答yes, i do ./no , i don’t . 还有几个是常出现在万圣节晚会中的单词，如a mask , a pumpkin , a vase 等。
教学目标:
1、通过给学生创设适当的情景，拓宽视野，了解所学内容。
2、通过课件教学，培养学生把课文内容与课件教材上的图片、文字结合起来进行英语交际的能力。
3、让每个学生都能积极主动参与教学活动，发挥学生的主观能动性，从而使他们更加热爱英语学习，增强英语学习的信心。
教学重点、难点
1、通过教学使学生掌握四会单词a pumpkin, a vase, a horse, a mask等以及句型 do you like...? yes, i do. / no, i don't. i like...
2、通过教学，让学生进一步掌握名词复数的词形和读音的变化。
设计理念：多媒体辅助教学有利于调动学生的学习积极性，刺激学生的思维，让孩子们一节课有多个兴奋点；使教材和媒体之间优势互补。英语课的教学特色是充分发挥其语言功能，讲究对话的艺术。多媒体辅助教学课件因其具有集成文字、图像、影像、声音及动画等多种信息的功能而愈来愈受到欢迎。实践也证明，多媒体辅助教学可以产生教与学的最佳效果。我自行设计了一个《牛津小学英语》5a unit4 halloween第一课时课件，还要求学生能利用我们提供的参考资料，积极为自己提供更为广阔的学习资源背景，从而使学生不断地完成新知的建构过程。
设计思路：本节课是本单元的第一课时,主要教学a mask, a vase, a pumpkin等词汇以及part a的对话。开始free talk和学生谈论他们自身喜好，自己家房子情况，激发学生全情投入新单元的学习之中。由ben家的新房子需要什么布置客厅，引出新句型what do they/ we / you need? 的教学。然后精心设计ben的答句，自然过渡到新单词的教学中去。这个过程中单词的导入和操练形式互不雷同。对话教学做到听说相结合。纵观整个教学活动，层次分明，重难点突出。
教学过程与分析
[step1. greetings and free talk]
1. t: hello boys and girls, how are you today ?
s: we are fine, thank you .
2. t: i like english very much. do you like english?
s1: yes, i do.
t: what do you like?
s2: i like…(practice in pairs)
3. t: do you like your house?
s: yes, i do.
t: good. let’s say a rhyme together.(do you like my house?)
[设计意图]：儿童心理学特征告诉我们，教唱歌谣是一种很好的教学手段。它能使学生以饱满的精神、激昂的情绪，为上好一堂课作前奏,教师可以充分发挥其作用。将歌谣放在课堂开始，一来可使学生渐渐进入英语环境，二来也可以活跃课堂气氛。课前先与学生进行简单日常用语的交际，使学生渐渐熟悉课堂，轻松融入学习英语的氛围中，从而揭示新课课题。
[step2. presentation]
1. t: now i want to know something about your house. what’s in your house? is there a …? where is it? how many …are there? are there any pictures on the wall? is there a large sitting room?
s: yes, there is./ no, there isn’t.
t: what’s in your sitting-room?
s: there’s a …there are some…
2.t: there are so many things in your sitting-room.
(呈现卡片thing/ things东西,物品) learn the word: thing
3.ben and his family have a new house now. there is a large sitting-room.共3页，当前第1页123
but there aren’t any things in it.(cai呈现空的客厅图)
t: what do they need? learn the word: need
s: they need some…
(板书:what do they/ you/ we need? they/ we/ i need…)
4.practice and act
s1: what do they need?( in their new house) s2: they need …
5.t：perhaps. but we are not sure. let’s ask ben. ok?( cai呈现ben的形象)
ss: what do you need?
ben: i need a sofa, a tea-table, some plates, a fridge and something special.
6.t: ben needs something special. what is it? can you guess?
(cai呈现模糊面具,逐渐清晰)teach: mask
t: there are some masks here. do you like masks?
s: yes, i do. / no, i don’t.
(教师准备一些小动物的面具，教师可手拿面具问：what do you like? do you like rabbits ?引导学生正确回答yes, i do. / no, i don't. 教师可用其它动物面具进行操练，边操练边引出本节课所要掌握的一些名词的复数形式，如：masks, flowers, monkeys等。)
7.t: ben needs some masks. why? because halloween is coming.
do you know halloween? do you want to know more about halloween?
s: yes. we do。(cai显示halloween图片并进行简单的介绍)
[设计意图]：文化背景知识可以说包罗万象，范围极广。作为小学生，不可能也没有必要广泛涉及，但是对于一些基本常识应该加以积累。在平时的学习过程中凡是有关的文化背景知识，可以随时摘录下来。这样日积月累，对英语文化背景方面的知识就会有一个大概的了解。利用情景和设置情景进行教学。学生借助形形色色的图片和文字，更好地认识“halloween”有助于调动学生的积极性，使学生兴趣盎然地接受知识。
t: this is a halloween party. what can you see?
s: i can see some masks, some flowers and some chocolate.
8.t: what else can you see? look! where are the flowers?
(cai呈现花瓶)teach: a vase
t: anything else? s: i can see a pumpkin.
t: good! (cai呈现南瓜灯) we usually eat the pumpkin. but in the west，people like to make pumpkin lanterns at halloween.
(teach: a pumpkin lantern)
9.t: do you like pumpkin lanterns? s: yes, i do.
t: can you make one? s: no, i can’t.
t: let’s buy a pumpkin lantern then. shall we go to the supermarket and buy the things to have a party? s:ok.
(cai呈现书上31页图片,学生在3b中已经学过如何购物的话题，经过前面单词教学的铺垫，教师可以通过与学生进行购物表演的形式，引导学生练习交际用语 what do you need? we need some...what else do you need? ..., please.以及 how much are they? 等用语，在此基础上，可引出并学习here's your change. “这是找你的零钱”。)
[设计意图]：众所周知，激发学生的兴趣则是小学英语教学的一个重要原则。因此小学英语老师应充分利用儿童的心理特点，在课堂中采用听、说、演等符合儿童心理和年龄特点的方式方法使他们产生兴趣，在轻松、亲切、自然的气氛中学习英语。在教授完本课时的单词和句型后，我通过呈现文中的背景图片让学生自然融入购物的情景中。让学生在情境中学会交际，在交际中学会语。巩固所学知识，并且达到较好的效果。共3页，当前第2页123
[step3. practice]
1.t: ben’s family would like to buy things for a halloween party.
look at the screen. (cai呈现书上30页图片及问题)read the passage and answer the questions
(1) who are they?
(2) what are they talking about?
(3) what would they like to buy?
2.(cai 呈现：would like to do 想要做…teach: would like to do)
3.listen and judge（cai呈现）
(1).it’s halloween today.( )
(2).they need some chocolate ,some flowers, some masks and a vase.( )
(3).ben likes masks.( )
4.read after the teacher then read together
5.rewrite the dialogue(cai呈现)
(things, pumpkin, flowers, family, vase, masks)
ben and his ______ would like to buy _______ for a halloween party. they need some ________ and a _______. ben likes ______and lanterns . they will buy a _______lantern.
[设计意图]：作为五年级的学生，教师要在平时的教学中注重培养他们的自学课文的能力，带着问题来进行阅读，可以帮助他们更好的理解课文的内容，也可以提高他们分析短文的能力。练习的设计可以帮助巩固所学内容.
[step4. homework]
1、听录音，模仿学说，熟练朗读并会表演本单元会话内容
2、收集有关halloween的知识, 了解西方国家的其它节日
3、自制halloween节日面具共3页，当前第3页123