What is Pi?
A famous painter
The ratio of a circle's circumference to its diameter
The name of a river
A kind of dessert
What is the approximate value of Pi?
2.18
3.5
3.14
4.22
Pi Day is celebrated on which date?
February 14th
April 14th
December 25th
March 14th
Which symbol is used to represent Pi?
π
Ω
π
α
Pi is an irrational number.
False
True
Sometimes
Maybe
How many digits of Pi are there?
Only 10
Exactly 100
Infinite
1,000,000
What activity is commonly associated with celebrating Pi Day?
Eating pie
Flying Pi Kites
Running a marathon
Swimming
Which of the following is NOT a use of Pi?
Designing wheels
Predicting the weather
Building bridges
Calculating areas of circles
Who is known for calculating the circumference of the Earth using Pi?
Eratosthenes
Albert Einstein
Isaac Newton
Galileo Galilei
The first three digits of Pi are...
3.14
3.12
3.41
3.15
Pi is used in which subject?
History
Art
Literature
Mathematics
Which shape is most closely associated with Pi?
Square
Triangle
Rectangle
Circle
Pi can be correctly written as a fraction.
True
False
Only on Tuesdays
Sometimes
Which number is closest to the value of Pi?
314/100
7/22
22/7
3/14
What is special about Pi in mathematics?
It changes every year
It's the same in every language
It measures how many diameters fit around a circle
It has a fixed number of digits
On Pi Day, what do some people try to do with the digits of Pi?
Paint them
Forget them
Write them backwards
Memorize as many as possible
