Module 1 Unit 2 Numbers Reading 课件 2022-2023学年牛津深圳版英语八年级上册 (共20张PPT)

(共20张PPT)
Unit 2 Numbers
Reading
What do we use numbers for
Step 1 Warm-up
Activity 1 : Think about the usage of numbers
--- What do we use numbers for
--- We use them to express …
date
temperature
time
weight
length
amount of money
23℃
17.8
We can find numbers everywhere in our life
Activity 2 : Should I agree with the deal(交易)
02.华罗庚
Hi! I am here to take the 12-inch(寸) cake that I booked yesterday. I promised to give it to my sister as a prize.
I’m really sorry. The 12-inch cake is out of sale. Can I give you two 6-inch cakes instead
Double the number of cakes but make them smaller Let me think about it…
Warm-up
Should I agree with the deal(交易)
Warm-up
V= πr h
If the cake is 12-inch, then r will be 6.
V1= π6 h=36 πh
If the cake is 6-inch, then r will be 3.
V2= π3 h=9 πh
V1=4V2
I realized it was not a good deal!
The king and the rice
A story about numbers.
Step 2 Before you read
Activity 1 :Predict.
1. What are they doing
They are playing chess.
2. Who are they
The king and an old man.
3. Where did the story might happen
In India.
Step 3: While you read
Activity 1: Divide the passage into three parts and match the main idea with each part.
Para____ :
the beginning
Para____ : the middle
Para ____: the ending
C.The king challenged the old man to a chess game.
B. The king promised to give the old man the rice he wanted if he won the game.
A. The king lost the game. He realized he didn’t have enough rice to give the old man
1.2
3.4.5
6
Activity 1: Read the passage and find main ideas of three parts.
Para____ :
the beginning
Para____ : the middle
Para ____: the ending
The king challenged the old man to a chess game.
The king promised to give the old man the rice he wanted if he won the game.
The king lost the game. He realized he didn’t have enough rice to give the old man
1.2
3.4.5
6
Where the story took place (1)________
Who was in the story the king and a (2)_____________
What happened in the story The beginning The king challenged (3)_________________ to a game. The king promised to give him (4)__________ if he won the game.
The middle They played the game for (5)____________.
The ending (6)_____________ won the game, but the king did not have (7)____________ to give him.
In India
wise old man
the wise old man
any prize
a long time
The old man
enough rice
Activity 2: Scan and complete the chart.
a The king lost the game.
b The king put one grain on the first square, two on the second, and so on.
c The king and the old man played the game for a long time.
d The king realized he wouldn’t have enough rice to put on all the squares.
c
a
b
d
Activity 3: Listen and put sentences below in the right order.
The king and the old man played the game for a long time. Finally, the old man won. So the king ordered his men to collect a bag of rice. He put one grain on the first square, two on the second, and so on. The king quickly realized the problem—even with all the rice in the country, he would still not have enough rice to put on all the squares!
Activity 4: Find the secret of number
263 grains of rice
9,223,372,036,854,775,808
grains of rice
How many grains of rice should the king put on the last square
263 grains of rice
200,000,000,000 kg
Step 4: After you read: Further thinking
Promise
the king’s promise:_______________________
The old man’s request:__________________________
Result
The king put___________
“If I win the game, I’d like....
“You can have any prize if you win the game.”
“one grain on the first square....the king quickly realized....
The old man realized his trick.
Why did the king lose the game
The power of number: The rule of the power(次方）
The old man won.
Number
Too confident
(自信)
If you were the king, what would you do
Discussion:
What should I do
Step 4: After you read: Further thinking
Groupwork
Work with group members to design an ending to finish the story and act it out .
Miss Feng’s opinion
Never make a promise without thinking before.
So said, so done.
Homework
Compulsory:
Read the article aloud three times .
2. Finish the close part on worksheet.
Optional:
Writing :add an ending to the story.
Thank you!