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Do the Math
Pi Facts
Pi Formulas
Pi A La Mode
Pi Puns
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 diameter?
100
This is the formula to find the circumference of a circle.
What is C= 2πr or C=dπ?
100
The symbol for pi has been used regularly in its mathematical sense only for the past how many years?
What is 250 years?
100
This is the cutest pi there is.
What is a cutie pi?
200
This is the circumference of a circle with a radius of four centimeters.
What is 25.12 cm?
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 A=πr^2?
200
Pi Day is celebrated on March 14. This is the official time the celebration begins.
What is 1:59 pm?
200
This is what you get when you divide a Jack-o-Lantern by its diameter.
What is a pumpkin pi?
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
This is the volume of a cylinder.
What is V = πr^2h?
300
This person introduced the pi symbol in 1706.
Who is William Jones?
300
This is what you get when you take green cheese and divide it by its diameter.
What is a moon pi?
400
This is the area of a circle with a diameter of four inches.
What is 12.56 inches squared?
400
He is credited with determining a remarkably accurate approximation of pi in earliest times.
Who is Archimedes of Syracuse?
400
When finding pi by using the circumference and diameter, this is the formula.
What is π=C/d?
400
In the Greek and English alphabets, pi is this letter. (HINT: The answer is a number.)
What is the sixteenth (16)?
400
This is what you get when you take the sun and divide it by its diameter.
What is a pi in the sky?
500
This is the area of a circle with a radius of five centimeters.
What is 78.5 centimeters squared?
500
This the connection between Albert Einstein and Pi Day.
What is a birthday on March 14?
500
Given the circumference, this is the formula to find the diameter.
What is d=C/π?
500
This is the most common fractional equivalent to pi.
What is 22/7?
500
This is what you get when you take a bovine and divide its circumference by its diameter?.
What is a cow pi?