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 diameter

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

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 radius time radius times pi
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-e

300
This is the diameter of a circle with a circumference of 28.26 ft.
What is 9 ft.
300

This is the first year the Pi Day was celebrated.

What is 1988

300

This is the pi ratio

What is circumference divided by diameter

300

This is why you never invite Pi to a party

What is Pi is irrational (crazy)

400
This is what a mathematician does with her 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 the first person to use the greek letter for PI

Who is William Jones

400

This is the formula for finding the Circumference of a circle using the radius

What is the 2 times the radius times pi

400

At King Arther's table, this guy ate too much pi

Who is Sir Cumference

500

This is how many pastry chefs it takes to make a pie

What is 3.14

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 circumference, this is the formula to find the diameter

What is the circumference divided by pi

500

This is the most mathematical snake

What is a pi-thon