教学内容：
1、 Vocabulary: old—older, tall—taller, cheap—cheaper, good—better, young—younger, short—shorter, expensive—more expensive, bad--worse
2、 Sentences:
（1） These noodles are cheaper than those noodles.
（2） Yes, but those noodles are better than these noodles.
3、 Sounds and words: elephant. half, knife, cough, calf, wife
4．Grammar:
（1）表示两者（人或事物）相比较时，我们通常在形容词词尾加-er，如：tall---taller, old---older, cheap---cheaper, young---younger, short---shorter
（2）然而，当形容词有三个或以上音节时，则不在词尾加-er,而是在它前面加单词more,如： expensive-----more expensive.
（3）另外有一些形容词有不规则的变化，如： good----better, bad---worse
教学目标：
1. 熟悉并掌握单词和语音，能正确拼读和书写；进一步学会运用形容词的比较级来描述实际生活的事物。
2. 能运用会话中的句型，联系日常生活，进行扩展性的情景会话。
3．能够写出比较流利通顺的句型，并作创造性的表演。
4. 通过学习，培养学生热爱生活，关心生活大小事的情感，激发学生探索生活的兴趣。
重点难点：
能够理解语法知识点，并运用所学句型进行扩展性的情景会话。
教学手段：
利用图片，运用多媒体辅助教学。
教具准备：
图画卡片，录音带，录音机，头饰
教学方式：
运用“龟兔赛跑（Who is faster?）”的激励方式，创设游戏与小竞赛，促进课堂教学。
（第一、二组为乌龟组，第三、四组为白兔组）
教学步骤：
Step 1. Greetings（1 minute）
T: Good morning, boys and girls. Glad to meet you.
Step 2 Review （3 minutes）
Look and answer
1. Which is bigger?（show the picture of “hippo” and “elephant”）
2. Which is faster?（show the picture of “Gogo” and “turtle”）
3. Which is smaller? （show the picture of “green apple” and “red apple”）
4. Which is slower?（show the picture of “turtle” and “snail”）
Step 3 Presentation （1 minutes）
（1） Lead-in（电化教学，展示Tony and Jenny 的图片）
T: Now, today is Tony and Jenny’s birthday, how old are they? Let’s count the candles
T：Oh, Tony is older than Jenny.
Step 4 Teaching words （12 minutes）
1. 电教（图片导入two person）old-older
（1）T: old, read after me, repeat.
old---older than （板书）
Ss: old, old, o-l-d, old
T: Tony is older than Jenny.（板书） [注意er的读音]
[Than 表示两者之间的比较]
T: older, read after me, repeat.
Ss: older, older, o-l-d-e-r, older
（2）Let two students go and write down their birthday in the blackboard
T: Who is older?
Ss: XX is older than XX.
2. 电教（电化教学，展示图片）young---younger
（1）T: Who is younger?
T: young, read after me, repeat.
young---younger（板书）
Ss: young, young, y-o-u-n-g, young
T: Jimmy is younger than Tom.（板书）
T: younger, read after me, repeat.
Ss: younger, younger, y-o-u-n-g-e-r, younger
（2）Ask two students’ birthday
T: When’s your birthday?
S1:My birthday is_______. S2: My birthday is_______.
T: Who is younger?
Ss: XX is younger than XX.
3. 电教（电化教学，展示图片）tall—taller
（1）T: Who is taller?
T: tall, read after me, repeat.
Ss: tall, tall, t-a-l-l, tall
tall---taller（板书）
T: Tom is taller than Jimmy.（板书）
T: taller, read after me, repeat.
Ss: taller, taller, t-a-l-l-e-r, taller
（2） call two students go and stand
T: Who is taller?
Ss: XX is taller than XX.
（3） Show the picture of two buildings
T: Which is taller?
Ss: The black building is taller than the white building.
4. 电教（电化教学，展示图片）short ---shorter
（1）Call two students go and stand
T: Who is shorter?
T: short, read after me, repeat.
short---shorter（板书）
Ss: short, short, s-h-o-r-t, short
T: Tom is shorter than Jimmy.（板书）
T: shorter, read after me, repeat.
Ss: shorter, shorter, s-h-o-r-t-e-r, shorter
（2）Who is shorter, your mother or your father?
Ss：XX is shorter than XX.
Step 4 （5 minutes）
1．Game: look at teacher’s mouth and say the word （old, tall, short, young）
2.Word contest（说出单词的比较级）
3. Look at the pictures and answer the questions
Step 5 Group work （10 minutes）
1.（事先设计一张表格，以四人为合作小组，进行成员之间的调查访问）
Name Birth Height
2．Talk to your partners
（1）Who is taller? XX is taller than XX.
（2）Who is shorter? XX is shorter than XX.
（3）Who is older? XX is older than XX.
（4）Who is younger? XX is younger than XX.
3. Show the answers to the whole class.
（把表格投影出来，每组推选出一个成员进行汇报，详细认真组可获奖励）
Step 6 （5 minutes）
1. Practice 1 （ A/B/C），Practice 2
2. Excise （写出下列词语的比较级和中文）
（1） old----- （2） young-----
（3） short----- （4） tall-----
Step 7 Homework （2 minutes）
1. 家庭调查采访，并写出句子。
Name Birth Height
My father
My mother
My brother
My sister
My grandma
My grandpa
Me
（学生可根据实际情况制订表格）
（1）My father is taller than XX.
（2）My XX is shorter than XX.
（3）XX is older than XX.
（4）XX is younger than XX.
2. Copy the new words
3. Read and recite the words by yourself