Pi Riddles
Pi facts
PI formulas
PI Puns
Do the math
100

Why should you never talk to pi? 

What is: because he'll just go on forever

100

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

What is: the dilameter


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"

100

This is the circumference of a circle with a diameter of ten inches.

What is 31.4 inches

200

What do you get when you take a bovine and divide its circumference by its diameter?

What is: A cow pi


200

The first person to create a Pi question

Who is: William Jones

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

200

This is the circumference of a circle with a radius of four centimeters

What is 25.12 centimeters 

300

This a mathematician's favorite dessert.

What is Pi-napple Pi-e

300

Pi got its name from the Greek word for this

What is perimeter

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

300

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

What is 9 ft

400

This is what a mathematician does with her papers 

What is a pi-le papers 

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

This is what you get when you take the sun and divide it by its diameter

What is Pi-e in the Sky

400

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

What is 12.56 square inches

500

This is what the mathematician put into her gourmet cookies. 

What is s -pi-ces

500

This is 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 Mrs. Bithell shows you.

What is octo-pi

500

This is the area of a circle with a radius of five centimeters 

What is 78.5 square centimeters

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