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 10 inches.
What is 31.4 inches?
100
Pi is the ratio of a circle's circumference to this measurement.
What is diameter (or twice the radius)?
100
This formula is used to find the circumference of a circle.
What is pi times the circle's diameter?
100
This is the cutest pi there is.
What is cutie pi-e?
200
This is a mathematician that flies her plane.
What is a pi-lot?
200
This is the circumference of a circle with radius of 4 cm.
What is 25.15 cm.
200
Pi is this type of a number that cannot be expressed as a fraction of two integers.
What is irrational?
200
This formula is used to find the area of a circle.
What is pi times radius squared or pi times 1/2 diameter squared?
200
This is what you get when you divide the circumference of a jack-o-lantern by its diameter.
What is pumpkin pi-e?
300
This is a mathematician's favorite dessert.
What is pi-neapple 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 get when you take the circumference of Luna and divide it by its diameter.
What is moon pi-e?
400
This is a mathematician's favorite super hero.
Who is S-pi-derman?
400
This is the area of a circle with a diameter of four inches.
What is 12.56 square inches?
400
This mathematician 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 2?
400
This is what you get when you take the circumference of the sun and divide it by its diameter.
What is pi-e in the sky?
500
This is what Mrs. McGrath puts in her famous gourmet cookies.
What are s-pi-ces?
500
Describe how the value of pi is calculated.
What is divide the circumference of a circle by its diameter?
500
This famous mathematician's birthday is on March 14th or Pi Day.
Who is Albert Einstein?
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
This is what you get when you divide the circumference of a bovine by its diameter.
What is cow pi-e?
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