小学英语外研版 (一年级起点)四年级下册Module 2Unit 2 It costs one hundred and eighteen yuan.教学设计及反思

Module 2 Unit 2 It costs one hundred eight hundred yuan.

【学习目标】

知识与能力目标

知识目标：

能够听说认读的单词和短语：hundred, hundred, cost

能听说的句子：

What is expensive? A car is expensive.

What is cheap? A pencil is cheap.

能听说读的句子：It costs one thousand eight hundred yuan.

能力目标：

通过多种活动，培养学生能够用准确的语言来描述物品，并告诉别人价格的能力。

情感态度目标

培养学生的体谅父母的艰辛并培养勤俭节约的优良品质。

【学习重难点】

本单元重点复习的是用形容词来形容物品。主要句型是：This …is…. 以及It’s…. 让学生学会用形容词描述事物以及谈论商品的价格。本单元的难点是如何让学生准确把价格表示出来。

【学习过程】

Step 1 Greeting and warm up

Sing a song. “This is my new house”.

T have a free talk with Ss.

T: What’s the weather like today?

Ss: It’s sunny and warm.

T: ……

Ss: ……

T: What’s your favorite color?

S1: It’s blue.

Step 2 Reviews

T: Come on, show me your favorite color.

(拿出一盒长短不一的彩色铅笔，供学生挑选)

S1: (拿出蓝色铅笔)This one.

T: Can you describe this pencil?

S1: This pencil is blue.

T: Yes, and?

S2: This pencil is short.

S3: This pencil is new.

Ss: ……

T: Now I show you the color, you tell me as quickly as you can, ok?

Ss: OK.

(教师快速出示一种颜色的铅笔，学生快速反应，并用句型“This pencil is …”把颜色说出来)

Step 3

T: (拿出一支铅笔)Look, what does this pencil look like?

S1: 电线杆

S2: finger

S3: 像是数字1

T: How about two pencils? (又拿出一支铅笔，两支铅笔放在一起，呈数字11状)

Ss: Eleven!

T: How about 3 pencils?

Ss: ……

教师板书hundred 并强调在百位和十位之间应加and．

Ss: One hundred and eleven.

T: How about 4 pencils?

教师板书thousand 并强调th要吐舌头。

教师通过电脑多媒体进行数字的趣味操练，尤其重点强调千和百的读法。

Step 4

教师出示一本书。上有标价5元。

T: I’ve got a book. How much is it?

Ss: It’s 5 yuan.

T: Is it cheap?

Ss: Yes, it is.

T: This book is cheap. It costs 5 yuan.

（板书costs并说明后面的s是因为主语是it所以才加上的）

Step 5

Listen to the tape with the following questions:

Which pens does the boy buy？

How much are they？

听完录音后找出问题答案。

然后打开书跟读，强调模仿。

Step 6

电脑屏幕上出示几幅图片，上面有几样商品，大小颜色不等，价钱也各异。

T: Now you are in a shop. What is cheap/expensive? What are the goods like? How much are they？If you buy, which one will you choose?

学生小组讨论，并把句子写下来。教师进行评比, 并渗透德育，培养学生勤俭朴素的意识。

Step 7

T: Now I’m a customer, you are the shop keeper. Describe the goods and sell them to me

S1: This … is … It’s … It costs….

S2: This … is … It’s … It’s … It costs….

S3: ……

(学生拿出自己所带的物品，向老师用英语介绍商品的属性和价格并竭力推荐自己的商品。)

Step 8

小结与作业

由学生对本课所学内容进行梳理和汇总，让他们在小结时自己思考和整理本课的所学与所得。

Homework:

1．Listen and repeat the dialogue 2 times.

2．Describe something around you. (5 sentences)