Pi Riddles
Do the Math
Pi Facts
Pi Formulas
Pi Puns
100
This is what a mathematician needs to fly his plane.
What is a Pi-lot's License
100
This is the circumference of a circle with a radius of four centimeters
What is 25.12 centimeters
100
This is a number that cannot be expressed as a fraction of two integers
What is an irrational number
100
This is the formula for finding the area of a circle
What is radius time radius times pi
100
This is what you get when you divide a Jack-o-Lantern by its diameter.
What is Pumpkin Pi-e
200

This is a mathematician's favorite dessert.

What is Pi-e

200
This is the diameter of a circle with a circumference of 28.26 ft.
What is 9 ft.
200
Pi got its name from the Greek word for this
What is perimeter
200
Given the circumference, this is the formula to find the diameter
What is circumference divided by pi
200

A gadget that lets you calculate pi while you enjoy a tasty treat

What is a pi-phone?

300
This is what you call a mathematician that takes over a ship.
What is a pi-rate
300
This is the circumference of a circle with a diameter of ten inches.
What is 31.4 inches
300

Pi is the ratio of a circle's circumference to this measurement.

What is the diameter

300
This is the formula to find the circumference of a circle
What is Pi times the diameter
300

The unfortunate fate of a mathematician who tries to memorize all the digits of pi.

What is a mental breakdown

400

This is what a mathematician does with their papers

What is a 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 pi divided by two
400

A sweet treat made from a variety of fruits, perfect for mathematicians who are "pie-eyed."

Pi-napple pie

500

This is what the mathematician sprinkles on to their food

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

This is what you call an expert who studies the world of circular baked goods.

What is a pi-ologist?

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