Pizza price
by John Rowe
67
skips
skips
33
questions
questions
Act One
- Teacher noteAsk the students to, without talking or thinking too long, write down the first question that comes to their mind?
Act Two
- 1.
How much will the 18" pizza cost?
From the menu, pick a type of pizza
Write down the Pizza name and the 12†price
Why did you pick that one?
Flavour
Price
Value for money
Novelty
Trying something new
Other?
Write down what you would pay for an 18†pizza
Have a guess at how much it costs (they may be the same)- ImageMenu 1
- Teacher noteHopefully, your students made complete guesses.
Ask these kind of questions through a class discussion:
Why do you think that you guessed that price?
What affects your opinion / “gut instinct�
Was it a reasonable guess?
Would you pay that amount?
If the students are in table groups, give them 5 minutes to calculate the price of an 18″ pizza
After the 5 minutes, students share their methods with their table group. These are then shared amongst the class through a discussion. - 2.
What's a fair price?
- Teacher noteStudents are to consider their answers by answering the following questions:
Is your price fair?
What would be a “fair price†to pay?
How do restaurants normally price their pizzas?
What else needs to be considered apart from the diameter of the pizza? - LinkBlog Post | whenwillineedthis.wordpress.com
- LinkPizza Prices Lesson | PowerPoint
Act Three
- ImageMenu 2
Sequel
- 3.
How can we recreate the menu to be mathematically fair?
- 4.
How might the prices be determined?
- Teacher noteIn table groups, students are to pick one type of pizza. They then come up with a “mathematically fair†price for the 12″ and 18″ pizzas based on the 15″ menu price.
Students are then asked to answer the following questions:
How close was your answer?
What is more “value for money�
The original menu
The Mathematically fair menu
Why?
Then, the teacher shows how to find the area of the pizza and calculate the prices based on the square inch price of the 15″ menu price. Students then recalculate their answers from the previous section. - 5.
How much would the World's Largest Pizza cost?
- LinkWorld's Largest Pizza
show 33 more questions
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How many more square inches of pizza do you get in the large pizza than the small pizza?
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How much more pizza is in the large than the small? Is it twice as much? How does that relate to their prices?
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