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3B Unit 5 Plus and minus

周小平 2012-10-4 00:19 [复制链接]
一、        教学内容
A部分。
二、教学目标
词汇: plus  minus  wrong  right
日常交际用语What’s …plus /minus …It's …  That’s right ./Sorry, you are wrong. Oh, no.
三、教学重、难点
创设真实的情景进行语言操练,使学生把语言知识What’s …plus /minus … It's …  That’s right ./Sorry, you are wrong. Oh, no.
转化为语言能力。
四、        教学过程
Step1   Warm up
   Sing a song <Ten Indian boys>
   Let’s go to the zoo and count. (复习上节课所学的13```20)
   Play a game: Magic eyes
   利用卡片复习单词,让学生们自己读。
Step 2 Presentation and Practice
1. lead in “+”----plus.
课件分别出示六只猴与一只猴,生数
Ss: Six, one
T: How many monkeys can you see?
Ss: Seven.
T: One plus six is seven.
出示one plus six 和 加号
T:We can call it(+) plus.
揭题Unit5 Plus and minus
plus plus 加加
(练说plus,从整体到个别)
2.lead in X plus X
(教师用手势表示任意的数字,引导学生学习,巩固,操练这一短语。再根据实际情况评价对错)
T: Look at my hands. It’s… ?
Ss: six plus one.
T: Good. / That’s right.  Look at the screen. How about these?
(学生个别说,教师根据实际情况进行评价,随之渗透句型That’s right.   
Sorry. You’re wrong.)
3.Lead in “ A: What’s X plus X? B: It’s….”
课件出示1+6 =?
T: What’s one plus six?
  (Read three times then read one by one, two by two.)
T : Boys and girls, What’s one plus six?
Ss: Seven.
T: It’s seven.
(整个对话出示在PPT上,学生进行相应的朗读,进行句子对话的整体练习。)
4. Lead in:That’s right.
课件出示几组加法
T:Look ,there are many zebras in the zoo.
T: Let’s count.
Ss: Five.
课件又出现2只斑马并出示2+5=?
T:Who can ask?
S:What’s two plus five?
S1:It’s seven.
T: That’s right.
5. Lead in: Sorry. You are wrong.
T: What’s …plus …?
Ss: It’s…
T: That’s right./ Sorry. You are wrong.
(教师用手势表示任意的数字的加法,生快速抢答)
6. Read the text after video (1、2两段)
反复操练,分角色朗读。
7.  lead in “-”---- minus.
课件分别出示四只老虎与一只老虎,数数
Ss: Four, one
T: How many tigers can you see?
Ss: Five.
T: But what’s four minus one?
出示four minus one 和 减号
T:We can call it(-) plus.
揭题Unit5 Plus and minus
Minus minus 减 减
(练说minus ,从整体到个别)
8. Lead in X minus X
(教师用手势表示任意的数字,引导学生学习,巩固,操练这一短语。再根据实际情况评价对错)
9. Lead in:That’s right.
课件出示几组加法
T: Look , there are many monkeys in the zoo.
T: Let’s count.
Ss: Sixteen.
课件又出现6只小鸟并出示16-6=?
T: Who can ask?
S: What’s sixteen minus six?
S1: It’s ten.
T: That’s right.
10. Read the text after video (3、4 两段)
反复操练,分角色朗读。

五、 Game time
放音乐传递卡片,一组两个卡片,当音乐停止时动作也停止,然后请拿到卡片的这两位同学利用今天所学的句型一问一答。
What’s …plus …?
It’s …
What’s … minus …?
It’s …
You are right.
Sorry. You are wrong.

六. Homework


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