三年级上册unit_3_whose_cds第四课时教学设计20101017(钱国明)102.doc

Unit 3 Whose CDs第四课时教学设计
一、教学目标
（一）知识与技能：
1、能熟练运用句型Whose….are/is these/this?进行问答。
2、能从单词读音中分辨出元音字母I两种不同的读音。
3、能发现元音字母I不同的读音规律，并运用其发音规则认读新单词。
（二） 过程与方法:
用炸弹游戏复习单词，通过复习故事引入ask and answer部分；通过小组活动进行句型问答、操练。
学生在学习中通过观察、发现、总结出I的发音规律，并利用其发音规则拼读单词。
（三） 情感态度价值观：
运用多媒体课件激发学生的学习兴趣，培养他们的观察力和注意力;培养学生运用字母I发音规则认读新单词的能力。
二、教学重点和难点：
（一）重点：1、熟练认读语音词汇：insect，fish，six，ice cream，crocodile，kite，nine，write，five
2、掌握元音字母I的两种读音及发音规则。
3、能熟练运用句型Whose….are/is these/this?进行问答。
（二）难点：能熟练运用规则认读新单词
三、教学准备 多媒体课件、录音机、单词卡片、图片
四、教学过程
Step1: Warm up
T: Look! What’s this ?
S: A bomb!
T:Do you want to play this game? Ready? Go!
1、Bomb game
[活跃课堂气氛，通过游戏复习本单元新单词]
2、Wathch the story
T: Well done! Boys and girls! （PPT3）Look here! There is a radio on the table.Can you tell me whose radio it is in Unit3 ? Ss: It’s ……
T: Now let’s watch the story again! If you can read please follow loudly！
T: (PPT4)Check the answer
[复习故事，感悟语言，为Ask and answer操练做语言铺垫]
Step2: Touch ,Ask,and Answer
T: Look ! A radio! Can you guess whose radio it is?
1、Guess and say
T:出示(PPT5) Touch, ask and Answer部分中一幅图片 (radio图片),问：Whose radio is this?学生猜：It’s …..
T: 出示答案：It’s Mocky’s.What can you see?
Ss: CDs—book---computer---videos
T: Guess, Whose videos are they?
Ss: They’re…..
T:Who can ask? Whose book is it ? Whose CDs are they?
2、Ask and guess
出示（book,CDs）让学生猜测是谁的？
3、Pair work.
Maybe you are right. Please ask and answer in your group.
4、Check and show
出示PPT:Touch, ask and Answer，学生展示一遍。
5、Ask and match.
活动说明：学生四人小组，三名组员提问，组长负责回答，完成匹配练习。通过此项活动操练句型询问某物是谁的及回答。
T: Hello,Children!You did a good job! Now listen a question..Whose book is it? Ss: It’s…
T: Please look at your paper.You should ask a question and find the owner. Ready? Go!
Ss: Ask and match.
T: Check the answer.
Step3: Sounds and Letters
1、Try to read the pictures
T:出示(PPT8): Look at the picture and try to read the words
T: Great！Can you find one same letter in the words ?
Ss: I
T: （板书）Ii
2、Watch and listen carefully
教师播放课件，学生认真观看和倾听单词的发音。
3、Point and read
教师点击课件图片，学生跟读单词。
4、Read and find the the I’s different sound
T: 出示fish单词卡,学生朗读后将其粘在黑板上
（板书）insect ice cream
…… ………. …….. ……….
学生朗读，通过观察找出I 的发音规则
5、Listen for I.
First have them listen and point the words. Second, have them listen and cross.[检查学生是否真正理解了元音字母I在单词中的不同发音，并能在四个单词中选出来一个与其他三个发音不同的单词。]
6、Say the words.
Give Ss some words and have them try to read the words:
[给学生一些符合发音规则的单词让学生运用刚才自己总结归纳的规律认读新单词。]
7、Group work
T: 活动说明：学生四人分组，每组有一个装有10个单词的盒子。活动开始，依次每人从盒中抽取一个单词，大声朗读，并在自己的资料上勾出。在规定时间内单词多者获胜。
T: Children!Let’s play a game,OK?
Ss: OK!
T: 示范：Choose one word in the box, read and tick it!
Homework
根据字母I的拼读规则（分成两类i;i_e）制作图文小册子，下次课交流
板书设计
Unit 3 Whose CDs?
Sounds and letters
Ii
insect ice cream
fish crocodile
six kite
nine
write
five