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Pi Riddles
Do the Math
Pi Facts
Pi Formulas
Pi Puns
100
This is what you call a mathematician that takes over a ship.
What is a pi-rate
100
This is the circumference of a circle with a diameter of ten inches.
What is 31.4 inches
100
Pi is the ratio of a circle's circumference to this measurement.
What is the diiameter
100
This is the formula to find the circumference of a circle
What is Pi times the diameter
100

This is the cutest pi there is

What is a Cutie Pi-e

200
This is what a mathematician needs to fly his plane.
What is a Pi-lot's License
200
This is the circumference of a circle with a radius of four centimeters
What is 25.12 centimeters
200
This is a number that cannot be expressed as a fraction of two integers
What is an irrational number
200

This is the formula for finding the area of a circle

What is pi times radius squared

200
This is what you get when you divide a Jack-o-Lantern by its diameter.
What is Pumpkin Pi-e
300
This is a mathematician's favorite dessert.
What is Pi-napple Pi-e
300
This is the diameter of a circle with a circumference of 28.26 ft.
What is 9 ft.
300

Pi got its name from the Greek word for this

What is periphery, perimeter, or circumference 

300
Given the circumference, this is the formula to find the diameter
What is circumference divided by pi
300
This is what you get when you take green cheese and divide it by its diameter
What is Moon Pi-e
400

This is what a mathematician does with her papers.

What is pi-le papers

400
This is the area of a circle with a diameter of four inches
What is 12.56 square inches
400
He is credited with determining a remarkably accurate approximation of pi in earliest times
Who is Archimedes of Syracuse
400

Given the circumference, this is the formula to find the radius

What is circumference divided by 2 times pi

400
This is what you get when you take the sun and divide it by its diameter
What is Pi-e in the Sky
500

This is what the mathematician put into her gourmet cookies.

What is s-pi-ces

500
This is the area of a circle with a radius of five centimeters
What is 78.5 square centimeters
500
This the connection between Albert Einstein and Pi Day
What is a birthday on March 14
500
Given the area of a circle, this is the formula to find the radius
What is the square root of the area divided by pi
500

Look at the picture that Ms. Bergen shows you.

What is octo-pi