第一课时（ Part A  Let ’ s learn / Let ’ s play / Let ’ s start /Let’s sing ）

教学目标：

（一）知识目标：

1、使学生能听、说、读、写有关比较级的单词older、younger 、shorter、taller 、stronger。

2、知道than是比较的意思，than前面要用形容词比较级(v-er)。

3、了解cm、kg分别表示长度和重量单位，并知道它们的读音，会回答句型：How tall are you?  How heavy are you?

（二）能力目标：

1、使学生初步掌握比较级的用法及句型。

2、使学生知道形容词比较级变化的一般规律。

3、使学生能在一定的情境中自觉运用所学新知识。

（三）情感目标：

培养学生分析观察能力，知道要关爱身边的人，爱父母要从生活中的小事做起。

教具准备：图片、卷尺、钓鱼杆。

教学过程：

Step 1.Warm-up  ( revision )

( 1 ) Sing a song.   What’s your favorite season?

( 2 ) Free talk.

a. What’s your favorite season?     Which season is it now?   What’s the weather like in winter?  Which season is always hot and sunny? / warm and rainy?/cool and cloudy?/cold and snowy?

b. Which season can we make a snowman, winter or fall?

Which season can we go swimming in a river, winter or summer?

Which season can we fly kites, winter or spring?

Which season is colder，summer or winter?

Which is colder, water or ice-cream ?

c. I can say ： cold --colder

Can you say?  warm---warmer,  cool---cooler,  hot--- hotter,  old ---older.

Step2. Presentation  (practice)

older/ younger的教学

1.     How old is the woman?  She is 35.   2.  How old is the girl? She is 12.

3.     Who’s older, the woman or the girl?  4.  35>12, so we can say the woman is older than the girl.（出示图片）12＜35. We can say the girl is younger than the woman.

5.     Now let’s play a game. Guess：How old am I? If your number is more than my age, I will tell you older. If your number is less than my age, I will tell you younger. Let’s see who can guess quickly.

6.     How old am I? Guess, guess,guess.

7.      It’s my turn now. You should ask me and say older or younger to help me. （出示图片）

 先请学生猜老师的年龄，假如学生猜出的年龄比老师的实际年龄大，老师就说older , older, 假如比实际年龄小，老师就说younger , younger。然后由老师猜图片上小男孩的年龄，全班学生说older, younger来提示老师是否猜对。最后，由两位学生分别猜中年男人和老奶奶的年龄，全班学生通过说older, younger 来提示。

8. Who’s younger, the boy or the girl? （出示图片）

9. Let’s do: Older, older, older, make myself older.

Younger, younger, younger, make myself younger.

Shorter, shorter, shorter, make myself shorter.

shorter/ taller的教学

1.Look at the fishing rod, it looks very short. In fact it’s long. Let’s have a look. Oh, it’s too long. It’s difficult for me to take it. Now let’s make it shorter and shorter. Everybody should say shorter ,shorter , shorter. Then I’ll let you see it can be shorter and shorter. （出示钓鱼杆）

2. Which are shorter, the shorts or the pants?（出示图片）

Who’s shorter, Zhang Yining or Yao Ming?（出示图片）

How tall is Zhang Yining？She’s 168cm .

How tall is Yao Ming？He’s 226cm .

教学长度单位cm=centimeter

3.Who’s taller, Zhang Yining or Yao Ming??

 Which animal is taller, the giraffe or the deer?

4.Who’s taller than you?

5. How tall is it ?（出示图片170cm,160cm,180cm,150cm）

6.How tall are you? Come here.

Line up from shorter to taller.

Line up from taller to shorter.

Let’s do: Shorter, shorter, shorter, make myself shorter.

Taller, taller, taller, make myself taller.

stronger的教学

1. You look strong and tall. I can do it. Can you do it? （老师拉着拉力器说）

2. Yes, I can .（请两个学生分别做）

3. You look as strong as me. But who is stronger, you or I ? Now, let’s play another game. If you think I’m stronger than her, please come here. If you think she is stronger than me, please go there. Everybody should say stronger , stronger . Ready, go.

4. Who’s stronger, she or I ? 

5. Which animal is stronger, the tiger or the elephant? （出示图片）

Is a cat stronger than a mouse?

I can say a bear is stronger than a squirrel. Who can say like me?

6. Which animal is stronger, the cock or the ant?

How heavy is the cock? It’s about 3kg.

教学重量单位的读音(Good to know).

7. Let’s play. If I’m right, follow me. If I’m wrong, just do it. （两手臂交叉）

6. Sing a song.（ 自编歌曲， 边表演边唱）

Step3. Task time (Consolidation)

1.     The new year is coming. We are older than the last year, we are taller than the last year. We are stronger than the last year.  Look , 出示表格：

Name         Age   Height  Weight

 I            27   161cm    54kg

 My friend     25   158cm   52kg

 2.  From the form above, can you say something about my friend and me?

  is old than        ,          is younger than       

 is taller than      ,          is shorter than         

 is stronger than      

3. Can you say something about you and your best friend?

Step 4. Homework  (extension )

I think every father and every mother can remember their Children’s birthday, height, weight and age clearly. But some of the children often forget these of their parents. So today’s homework:

1. Ask your parents and finish the form. Then say something about your parents.

Name   Age   Height  Weight

 Father          cm     kg

 Mother          cm    kg

 is older than           is taller than         is stronger than       

2. Remember these numbers forever. Give your father or mother a surprise on their birthdays.

英语课件How_tall_are_you_A_learn.ppt