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

TRUE OR FALSE

Pi is the ratio of a circle's circumference to the diameter

True

100

The formula to find the circumference of a circle

What is Pi times the diameter or 2(Pi)r

100

This is the cutest pi there is

What is a "Cutie Pi-e"

200

This is what a mathematician needs to fly a 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

TRUE OR FALSE

The exact value of Pi can never be calculated

True

200

The formula for finding the area of a circle

What is Pi(r)2

200

This is what you get when you divide a Jack-o-Lantern by its diameter.

What is Pumpkin Pi-e

300

This is what happens when you talk to Pi

What is Pi goes on forever and ever and ever and ever ...

300

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

What is 9 ft.

300

A circle is a set of points that is ___________ from another single point

What is equidistant 

300

The formula to find the diameter when you know the circumference

What is circumference divided by pi

300

This is why Pi isn't on twitter

What is 280 characters isn't enough for Pi to express itself

400

This is the mathematical snake

What is a Pi - thon

400

This is the area of a circle with a diameter of four inches

What is 12.56 square inches

400

Pi has been used by civilizations for almost 

a. 314 years

b. 4000 years

c. infinity

What is b - 4000 years

400

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

What is circumference divided by pi divided by two

400

A mathematician that is a secret agent is called this

What is a s - Pi

500

This is what you get when you divide the circumference of the moon by its diameter

What is Pi in the sky

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 March 14th is Albert Einstein's birthday

500

The formula to find the area of a circle

What is Pi(r)2

500

What it's called when you see more than one octopus

What is octo-pi