Pi Riddles
Do the Math
Random Pi
Pi Formulas
Pi Puns & Stuff
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 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's License
200

This is the area of a circle with a radius of four centimeters. Rounded to the nearest hundredth.

What is 50.27 centimeters2

200

This is a type number that cannot be expressed as a fraction of two integers. It's a decimal that does not repeat or have a pattern.

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-napple Pi-e
300

This is the area of a circle with a diameter of 15 ft. Rounded to the nearest hundredth.

What is 176.71 ft2.

300

Write the first 9 digits of pi.

What is 3.14159265

300

What is the formula for total surface area of a cylinder?

What is S=2pirh+2pir2

300
Why should you never talk to Pi

What is because it will go on forever and ever

400
This is what a mathematician does with her papers
What is a pi-le papers
400

This is the volume of a cylinder with a radius of 6 and a height of 7. Rounded to the nearest whole number.

What is 792 cubic units.

400

What is the volume of a sphere with a radius of 27cm? Round to the nearest hundredth.

What is 82447.96 cm3

400

What is the formula for volume of a hemisphere?

What is 1/2 4/3 pi 43

400

Fact: In the south, the most favored pie flavor is _______.

What is Pecan Pie.

500
This is what the mathematician put into her gourmet cookies.
What is s -pi-ces
500

This is the total surface area of a cylinder with a diameter of 20in and a height of 3in? Rounded to the nearest whole number.

What is 817 in3

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

What do you call a snake that is 3.14 meters long? 

What is pi-thon

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