教学案例.
《At the farm》Part B Let's talk Let's play
一、教学目标
1.学生能够理解对话大意，能够用正确的语言、恰当的语调朗读对话；能够在情景中恰当运用句型“What are those ?They’re …”问答物品名称；能运用句型“Are they…？Yes, they are./No, they aren’t.”确认是否为某种物品。
2.帮助学生理解these与those的异同。
3.通过多种活动形式，培养学生大胆开口说英语的习惯。
4.了解与动物有关的英语习语。
二、教学重点
能够在情景中恰当运用句型“What are those ?They’re …”问答物品名称；能运用句型“Are they…？Yes, they are./No, they aren’t.”确认是否为某种物品。
三、教学难点
these与those的区别。
四、教学过程
1.Warm-up
1)Greeting.
2)Sing a song 《Ten little Indians》
3)Revision
T:We visited Old Macdonald ’s farm yesterday.We knew he has many vegetables，fruit and animals on the farm. Did you remember what are they?
Ss: Yes.
T:Ok. let’s go and see .
（课件出示水果和蔬菜，复习句型“What are these ?They’re … ”“How many …”“Can you see? I can see …”）
T:Old Macdonald has a lot of vegetables /fruit.Now, let’s go to see how many kinds of animals on the farm .There is a kind of animals ,They are not big, they can swim, They quack, quack! What are they?
Ss: Ducks.
T:Listen to a song, try to hear that .
（播放歌曲《Old Macdonald had a farm》）
【设计意图：通过句型的操练，复习已学的知识，让学生激发旧有的知识，为过渡到本节课的学习内容打下铺垫。】
2.Presentation
1)教师问：How many kinds of animals can you hear?学生反馈。
2)教师指着动画最后的画面问：How many dogs did Old Macdonald have ?Let’s ask him.引导学生提问：How many dogs do you have ,Old Macdonald?课件中出现一大群狗的画面，教师教学a lot of ,引导学生说：You have a lot of dogs .
3)课件呈现一个指向Old Macdonald的对话框：I have a lot of cows, too.
教师问：Where are cows ?Let’s go and see .课件画面中出现一远一近两个遮盖的部分，分别写着These are cows 和Those are cows . Old Macdonald的对话框显示文字：Guess , please!
教师引导学生拼读those，并比较those与these的区别，判断并选择句子。教师点开课件中近处的遮盖部分，出现一群奶牛的图片，引导学生说：These are cows .
4)教师手指远处的动物问：What are those ?Are they ducks/cats ?Let’s see .课件快闪出现鸭子、绵羊、奶牛、母鸡等图片进行操练——
……
【设计意图：通过练习激活学生的思维，引起学生的兴趣，能取得预期的教学效果。】
5)Listen and answer questions
T: Mike and Sarah are in Old
Macdonald’s farm ,too .Let’s see what they are talking.But before you watch ,please think of the questions.
a.What does Mike see on the farm ?
b. How many horses ?
c.What does Sarah see on the farm ?
（课件展示课文内容，播放录音）
【设计意图：让学生带着问题听录音，有助于集中学生听的注意力，提高听的效果，提高课堂实效。】
6）教师播放动画，学生跟读。
7）学生在小组内分角色朗读，要求模仿人物的语调，然后抽几组上台表演。
3.Consolidation and extension
1)I remember
Mike:Wow! You have _____ animals! What are ______?
Macdonald: They ’re ______.
Mike: Cool! How many ____do you have?
Macdonald : Mmm…_______.
Sarah: What are ____? Are they _____?
Macdonald:No,____.They’re _____.
【设计意图：通过挖空对话中的关键词给学生一个支架，一步一步引导学生说出本对话内容，而非让学生死记硬背出来。】
2)Make a dialogue
T：（课件演示）Welcome to my farm .Do you want to know what are on my farm? You can ask me .You can use sentences .
S1:What are those ?
T: They’re …
S1：How many … do you have ?
T: …
S1:Are they …？
T: Yes, they are ./No ,they aren’t .
【设计意图：示范学生与教师的对话，为下面的生生对话做好铺垫。】
4.看图片激发学生保护动物的意识
5.Homework
1)听录音跟读对话。
2)运用今天所学知识，课下和小组成员进行对话练习。
6.The design of the blackboard
Unit 4 At the farm
Part B Let's talk Let's play
What are those？
They are…
Are they…
Yes, they are./No, they aren't.