Pi Riddles
Pi Facts
Pi puns
Pi Equations
Misc. Pi
100
What do you call a mathematician that takes over a ship?
a pi-rate
100
Where does the word pi come from?
It is the 16 letter in the Greek alphabet.
100
What is the cutest pi?
Cutie Pie
100
What is the formula for circumference of a circle.
d
100
What famous scientist was born on Pi day?
Albert Einstein
200
What does a mathematician need to fly his plane?
Pilot's license
200
How many years has the symbol for pi been used?
250 years
200
What do you get when an octopus and a pie cross paths?
Octopi
200
What is formula for area of a circle?
r 2
200
The value of pi fits into what classification of numbers?
irrational
300
What do you get when you divide the circumference of a jack-o-lantern by its diameter?
Pumpkin pi
300
Lu Chao holds the world record for reciting the most digits of pi. How many digits did he recite?
67,890 !
300
What do you get when you divide the circumference of a bovine by its diameter?
cow pi
300
What is the formula for area of a cylinder?
A = 2rh + 2r
300
In what U.S. state was a bill introduced to legislate the value of pi?
Indiana
(bill was introduced, but failed to pass, in 1897)
400
Why should you never talk to pi?
Because they'll go on forever.
400
Pi is the most recognized mathematical _________________ in the world.
mathematical constant
400
What was Sir Isaac Newton's favorite pie?
Apple pi
400
What is the formula for volume of a cylinder?
A = r2h
400
What U.S. city's ZIP code has a pi-related ZIP code of 31415?
Savannah, Georgia
500
What did the mathematician put into her gourmet cookies?
spices
s-pi-ces
500
Who introduced the pi symbol?
William Jones in 1706.
500
What is 1.57?
Half of pi.
500
What is the formula for the volume of a cone?
V = r2 h/3
500
What is one of the two ancient countries in which a value for pi was probably first used to calculate the area of a circle?
Babylon or Egypt