资源简介

(共27张PPT)
Unit 2
Amazing
numbers
沪教版八年级上册
Reading
Learning objectives
1
Use the “Story Mountain” to analyze the story “The old man and the king”;
Understand the amazing power of doubling numbers;
Create a new ending for the story with critical thinking.
2
3
Lead-in
How many numebrs can you find in the supermarket
Lead-in
What are the types and functions of the numbers Answer in pairs.
Brainstorm
Discuss: What do you think of numbers
Before you read
Who are these two people
Where were they
When did this happen
What are they doing
Task 1: Predict the answers according to the picture.
Who are these two people
Where were they
When did this happen
What are they doing
Story
A king and an old man.
In India.
A long time ago.
Playing chess.
Task 1: Look at the picture, the title and the first paragraph.
Then check your answers.
Who are the characters
What’s the setting
What are the problems of the story
What’s the result or the solution of the problem
Beginning
Middle
Ending
We can learn a story with “Story Mountain”.
Reading strategy
Para 1~2
Para 3~6
Para 7
A. The old man made a rice deal as a prize.
B. The king challenged the old man to play chess and promised a prize.
C. The king lost the game and realized the big problem.
Beginning
Middle
Ending
The king challenged the old man to play chess and promised a prize.
The old man made a rice deal as a prize.
The king lost the game and realized the big problem.
B.
A.
C.
(agreement)
Task 2: Listen to the passage and divide the story into 3 parts,
and then match the main idea.
Reading strategy
The key elements of a story include the characters, setting, plot, conflict ,theme.
They help you understand the story better.
Identifying the elements of a story
Can you identify these elements in the story
While-reading
Task 1: Read for plot—identify the basic elements
a king and a wise old man
a long time ago
in India/ the palace
a king challenged the old man to play chess and promised any prize.
The old man asked for rice and made a doubling rule of the rice. The king agreed.
The old man won, but the king couldn’t keep his promise.
My favourite game is _________.
I will___________ you to a game!
I _________ that you can have
_____ _____ if you win the game.
chess
challenge
I must buy a Christmas
present for my dear Della.
A ______ old man came to the palace.
Task 2: Read for characters—the old man and the king
promise
any prize
wise
confident,
proud
wise,
old
Read the beginning part (Para 1-2) and complete the missing words.
What do you think of them
The old man thought for a moment and said slowly, “If I win the game, I’d like one grain of rice for the first square of the chessboard, two for the second, four for the third ... I’d like you to double the amount for each of the rest of the squares.”
Read the middle part (Para 3-6) and complete the missing words.
Square Grains the power of two
1 1 2^0
2 2 2^1
3 4 2^2
4 8 2^3
... ... ...
64 2^63
Doubling
Numbers
Discuss: How many grains of rice would be in total
The total: 2^0+ 2^1+ 2^2+ 2^3+ ...+2^63
Match the dialogues to the characters, and then answer questions.
What are their personalities (性格)
confident
ignorant 无知的
calm,
determined坚决的
A. "I want one grain for the first square, two for the second, four for the third, and double the amount for each next square."
B. "No, just rice."
C. "Is that all "
D. "Wouldn't you like gold or silver instead "
E. "Perhaps a bag of rice is enough.”
Bring ____ ____ ____ rice!
Put one grain on the first
square, and...
I must buy a Christmas
present for my dear Della.
I _____ the game!
A ______ ______ can turn into a big problem.
a bag of
won
Read the ending part (Para 7) and discover the result of the story.
How do they feel at the end
_________! Even all the
rice in the country is
_____ ______
Problem
not enough
small number
shocked,
defeated (挫败)
satisfied
challenged the old man
thought a bag of rice was enough
heard the old man’s rice deal
confident/ proud
When the king...
He felt...
saw the rice be put on the chessboard
surprised/ confused
easy/ relaxed
shocked
knew realized the problem
defeated/ helpless
Task 3: Read for emotions.
Read the story again and track how the king’s feelings changed.
Let’s see how a small number grows into a big problem!
The old man and the king
favourite
game
the old man
won
collect a bag of rice
prize
challenge...to
no gold or
silver
didn't have enough rice
Task 1: Read again and retell the passage with pictures.
Post-reading
Task 2: Watch the AI video and plan your new ending.
Task 2: Watch the AI video and plan your new ending.
Work in pairs: make conversations between the AI minister and the king.
the king
the AI minister
I must buy a Christmas
present for my dear Della.
My king, don’t agree now. Let me...
...
It’s a trap
Why...
...
You are so smart!
The old man tricked me
Task 2: Create a new ending for the story.
The old man said, ”If I win, I'd like one grain of rice...” He thought the king would agree again. But this time, turned to the old man and said: _____________________________________________________________.” (What’s the king’s solution )
Hearing this, the old man was very _______(surprised/shocked/impressed...).
He __________________________________________________________
(What did he do or say ).
Finally, _______________________________________________________
(How did the story end ).
”
The old man said, ”If I win, I'd like one grain of rice...” He thought the king would agree again. But this time, turned to the old man and said: ”You are a wise man. Whether I win or lose, your widsom is what I truly want. Your prize is to be my chief advisor.”
Hearing this, the old man was very shocked and moved. He smiled and bowed to the king. He said: “My king, you have changed. I will work for you.”
Finally, the old man and the AI minister worked together to make the kindom better.
(one possible version)
Checklist (评价标准)
Peer Evaluation Checklist Yes
No
2. Creative Solution.
1. Three parts included.
3. Clear & vivid language.
384,000 km
one example: 42 Folds to the Moon
1 fold: 2 layers (2^1) 0.2 mm
2 folds: 4 layers (2^2) 0.4 mm
...
42 folds: 1,073,741,824 layers (2^42) layers ≈440,000 km
Extension and Summary
Discuss and share the magic of numbers in groups.
“NUMBER”
means to:
Notice the world around you,
Understand how things work,
Motivate yourself to create,
Believe in your ideas,
Explore every posibility,
Reflect always!
Discuss and share the magic of numbers in groups.
First
climbed the story mountain
Second
Third
Fourth
unlocked the power of doubling numbers
created a new ending for the story
appreciated the ancient wisdom
Summary
Polish your new story ending. (60-80 words)
打磨并完成你的故事新结局，60-80词
Find one example of amazing numbers and share it with class. (AI allowed)
找一个现实中数字应用的奇妙例子，允许使用AI。
Must-do:
Try-to-do:
Homework

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