Pi Riddles
Do the Math
Pi Facts
Pi Formulas
Circles
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 a type of circle that is worth 5 cents.

Nickel

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 radius time radius times pi
200

This type of circle comes with peperroni, cheese or vegetables.

Pizza Pie

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 perimeter
300
Given the circumference, this is the formula to find the diameter
What is circumference divided by pi
300

This is what you ride at an amusement park that goes around in a circle and lets you see from high above the park. 

Ferris Wheel

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 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 a circular object used to tell time. 

Clock/ Watch

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 diameter of a circle, this is the formula to find the area of the circle

diameter / 2= radius

radius x radius x pi

500

This is a circular object often found on a coat. 

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