辽师大版（一起）英语四年级下册 Unit 1 Which is bigger Lesson 2 教案

Unit 1 Which is bigger Lesson 2
教学目标
【Knowledge aims】To enable the students to understand and speak :“The deer’s neck is long. The giraffe’s neck is longer.
Make sure that they can use them in real situations.
【Ability aims】1. Educate their abilities of speaking and listening.
2. Foster their abilities of communication.
【Emotion aims】Foster their consciousness of good co-operation and proper competition. After learning this lesson, the students will be able
to create the conditions and make dialogues by using the new sentence pattern “A is …, B is …er.”
教学方法
Sing songs Read and learn TSA etc.
重点难点
Important points: The new words and the sentence pattern “A is …, B is …er.”
Difficult point: Understand and use the new sentence pattern.
教学过程
【活动】Warm　up
Say Hello to each other and say a chant together.
【导入】Lead　in　and　presentation
1. T: Look at the screen. There are so many animals. You know animals are our good friends and they are very interesting.
Look , What’s this (图片导入) (The students will answer ‘giraffes, deers and so on’, then the teacher show the pictures)
2.The teacher ask:“Do you like animals Today, Miss Lin and her students are going to the zoo. Let’s go with them, ok ” (播放录音)
3.T:How many animals have you heard (The students will answer : giraffes, deers and so on’)
4.T: There are two animals are talking.
Ask some simple questions: ↗What are they
↘What are they talking about
Help the students to learn new words: fast, faster; slow, slower.
5. Use the same way to teach other words: big--bigger; small-- smaller; long--longer; tall--taller; heavy--heavier.
6. Read the dialogues after the recorder and try to pick out the key sentences. Let the groups say something about the comparative
degree.
7. Play a game: Pick up the apples. (让学生自主学习,总结形容词比较级的规则)
8. Using the new words to make a new chant.
【练习】Practice
CAI will show some animal cartoons, the students will make dialogues by using the new sentence pattern.
【活动】Consolidation　(Story　time)
1. Watch the video about < Two bears and a fox> in Chinese.
2. Act the story in English.
[拓展] Extension
1. Now let’s play a guessing game, Which is bigger Which is right
Which is bigger,天王星or 海王.星？
Which is bigger,地球or 金星？
Which is bigger,木星or 土星？
Which is bigger, the sun or the moon？
Which is bigger, the moon or the earth ？
(设计意图:通过观看宇宙中八大行星的短片,进行是真是假的游戏,让学生对本节课新句型:Which is …er ,….or … 及其回答有了初步的认知.)
2.Look, David Li Ming and Linda are talking about the sun the moon and the earth, listen and answer my questions:
A Which is brighter, the sun or the moon
B Which is the biggest of the three
(设计意图:通过听银回答问题,锻炼了学生的听力.)
4.Listen to the tape.
引出句型Which is …er …or …
Do some exercises: the light and the candle
The giraffe and the deer
The elephant and the hippo
tall student and short student
T: Look at the picture what do you want to say
S:学生根据新学句型进行问答.
(设计意图：教师在新授句型后,通过图片让学生进行自主问答来掌握所学句型.)
Game: 男女生个一组,通过掷彩子,走方格,说句子,看哪一组最先到达终点. (设计意图:游戏环节巩固了同学们刚刚学的新句型,而且同过做游戏进一步激发了学生学习英语的兴趣,让学生更踊跃的参与到课堂教学当中来,敢于,勇于开口说英语.)
5.T:Who can answer my second question
介绍big bigger biggest
出示三动物卡片，用学过的比较级和所了解的最高级说句子。
出示三张本班同学的照片，用学过的比较级和所了解的最高级说句子。(设计意图：此环节给学生设定一定的环节,让学生自主练习说句子,让学生能在实际中运用做铺垫.)
6.Read the text follow the tape.
7. Read the text by themselves.
8. Read the text in role.
9.Fill in the blanks.
【作业】Homework　
Make a survey with the classmates to compare something in daily life. Using “A is …, B is …er.”
【活动】情感教育
Share three good sentences with the students and finish the class