小学英语三年级下册
Unit 3 At the zoo
Part B Let’s learn
教学设计
教学目标：1.能够听说单词“small ,big, short, long”。
2.能够灵活地运用本课的目标语句“It has...”来介绍相关动物的特征。
教学重点是：听、说、认读单词“big, small, long, short”并学会用它们描述物品。并且能够听懂、会说句型“It is…”和“It has…”,利用句型熟练自如地描述各种动物。
教学难点是：能够区分“It is…”和“It has…”
情感目标：
1. 让学生感受到动物的可爱，教育学生要爱护动物、尊重生命。
2. 培养学生参与教学活动的主动性，提高他们的学习积极性。
教学准备：
多媒体、课件、动物图片、单词卡。
教学步骤：
Step1. Warming up
Brainstorm:
a. Say words as many as possible before the balloons disappear.(animal, body parts, place).
b. The teachers’ words: bird, neck, Africa. (Teach the
words: neck, Africa)
c. Leading in the friend: ostrich.
设计意图：让学生在气球消失以前说出尽可能多的相关单词。通过这个活动调动学生学习热情，激活学生旧知，引出本节课的主人公鸵鸟。
Step2. Presentation
1. Teach the word: big
a. Look at the ostrich. It is big.
b. Look at the body, it has a big body.
c. The cat: It is _____.
It has a _____body.
The dog: It is _____.
It has a _____body.
d. Sing a song(big big world的节奏)
It’s a big big bird In a big big world
Has a big big body It can’t fly
It’s a big big bird In a big big world
It can’t fly It can’t fly
2. Teach the word: long
a. watch a video: The ostrich can run fast, because It has two long legs.
b. Show the picture: It has a long neck.
c. Show the giraffe’s picture: It has a ____neck.
It is ___.
d. Show two birds’ pictures: It has a ____ tail.
3. Teach the word: short
a. Look at the tail, it is _____. (leading in the word: short)
b. Leading in the sentence: It has a short tail.
c. Show the rabbit’s picture: It has a ____ tail.
d. Let’s chant:
Ostrich, ostrich
a short tail, a short tail
It has a short tail.
Rabbit, rabbit
a short tail, a short tail
It has a short tail.
4. Teach the word: small
a. Look at the head. It is _____.
(Leading in the word: small)
b. Combine the two sentences into one:
It ____ _____ ____ ____. ( has a small head)
c. Show many pictures of the small animals, Ss say: a small….
设计意图：根据鸵鸟外貌特点，将四个单词和重点句型融入其中，让学生逐步掌握单词及句型，并用空格逐渐变多的方式让学生学习过程由易到难，由简到繁。
Step 3. Consolidation
a. According to the words and pictures on the blackboard:
Describe the ostrich.
b. Choose the best guide in the class: discuss in groups, then describe the ostrich.
c. Watch a video:
The ostrich and the penguin will have a race, who will be the winner?
Discuss the penguin’s appearance with the sentence: It has…
It has a big body.
It has a small head.
It has a long mouth.
It has two short legs.
设计意图：通过描述鸵鸟的特点，将本节课所学内容进行复习巩固，然后对同样是鸟类的企鹅进行描述，将所学知识进行简单迁移，加深巩固。
Step4. Extension
Describe the animal in groups.
设计意图：将学生分为六组，每组给出一种动物，让学生脱离课本内容对其他动物进行描述，是对本节课所学内容的一次检测，同时小组合作的形式以强带弱，让学生共同进步。然后通过小组展示，激发学生学习的积极性。
Step5. Homework
Choose one animal, and introduce it to your parents.
(选择一种动物，介绍给你父母听)。
设计意图：让学生学以致用，在生活中学会运用已学句型。
(共32张PPT)
人教版小学英语三年级下册
Unit 3 At the zoo
Part B Let’s learn
2
3
animal
(动物)
1
bird
body parts
(身体部位)
place
(地点)
neck
Africa
ostrich
It is big.
It has a big body.
Look at the body.
It is ___.
big
It is big.
It is _______.
It has a ______ body.
big/fat
It is ___.
It has a ___ body.
thin
big/fat
thin
It’s a big big bird
In a big big world
Has a big big body
It can’t fly
It’s a big big bird
In a big big world
It can’t fly
It can’t fly
Let’s sing
人走路的速度：每小时4~7千米
平时车速：每小时60~80千米
人走路的速度：每小时4~7千米
平时车速：每小时60~80千米
鸵鸟速度：每小时80~90千米
It can run very fast.
他可以跑得非常快。
It has two long legs.
It has a ____ neck.
long
It ___ a long neck.
has
It is ____.
tall
tail
It has a ____ .
long
short
It is ____.
Look at the tail.
_____ a short tail.
It has
It has a _____ tail.
short
Let’s chant
Ostrich, ostrich
a short tail, a short tail
It has a short tail.
Rabbit, rabbit
a short tail, a short tail
It has a short tail.
Look at the head.
It is _____.
It ___ __ ____ ____.
has
a
small
head
small
The best guide
最好讲解员
Hello, boys and girls.
We have a new friend today.
It is big.
It has a ….
It has….
When it feels dangerous,
it will bury its head in the sand.
(当它感觉到危险时，就会把头埋
进沙子里。)
Name: Penguin(企鹅）
Species(物种)：bird
Colour: white and black
Name card(名片)
小组合作：
用学过的句型
It is….
It has….
描述企鹅的外貌。
每人1~2句话。
Try your best
Everything is possible.
尽力去做，一切皆有可能。
Group work:
Talk about the animals in your group.
It is___.
It has ___ eyes.
It has a __ neck.
It has ___ legs and
a ____ tail.
It is___.
It has ___ eyes and ___ ears.
It has a __ body.
It has a ____
tail.
It is___.
It has ___ eyes and ___ ears.
It has a ____ nose.
It has a __ body.
It is___.
It has ___ eyes and ___ ears.
It has a ____ nose.
It has a __ tail.
It is___.
It has a ____ nose.
It has a ____ tail.
It has ___ eyes and
___ ears.
It has ____ legs.
It is___.
It has a ____ nose.
It has a ____ mouth.
It has a ____ tail.
It has ___ eyes and
___ ears.
Love
the animals
Homework
Choose one animal, and introduce it to your parents.
(选择一种动物，介绍给你父母听)。
It’s….
It has….
Thank you
Goodbye
