History of Pi
Digits & Records
Pop Culture & Fun Facts
The Letter Pi
Dates & Celebrations
100

This "relatively" famous physicist and mathematician was born on Pi day? Hint: Initials A. E.

Who is Albert Einstein?

100

These are the first 3 digits of Pi. 

What is 3.14

100

This is the word you get if you look at the number 3.14 in a mirror.

What is PIE?

100

Pi is a letter in the alphabet of this ancient language.

What is Greek?

100

Caesar was killed very near Pi day. The oracle who warned him of his impending death told him to be "ware" of this date.

What is the Ides of March or March 15?

200

This is the whole number estimated value of pi given in the Bible (1 Kings 7:23) based on the dimensions of a circular pool.

What is 3?

200

This is the 7th digit after the decimal in Pi.

What is 2?

200

For the Star Trek episode "Wolf in the Fold," Mr. Spock defeat an evil computer using a certain calculation. 

What is to compute pi to the last digit?

200

The Greek letter pi is considered to be this (a vowel or a consonant). 

What is a consonant?

200

Just three days after we celebrate Pi Day, you had better wear green to school or you risk getting pinched for this holiday.

What is St. Patrick's Day?

300

This famous physicist and mathematician—who supposedly discovered gravity after an apple fell on his head—calculated pi to 16 digits in the year 1665.

Who is Sir Isaac Newton?

300

At the 762nd decimal place of pi, there is a famous sequence called the Feynman Point where the same number repeats six times. This is that number.  

What is 9?


300

The given first name of the main character in the famous book and movie Life of Pi.

What is Piscine?

300

The letter pi was chosen because it's the first letter of the Greek word perimetros. This is the English translation of that word.

What is perimeter?

300

Pi Day happens right near the end of winter. Just a few days later, usually around March 20th or 21st, we experience this astronomical event where day and night are roughly equal in length, marking the first official day of Spring.

What is the Spring Equinox?
400

This ancient Greek mathematician famously used polygons drawn inside and outside a circle to calculate the bounds of pi. (Hint: He is also famous for allegedly running naked through the streets shouting "Eureka!" after making a discovery in his bathtub.)

Who is Archimedes?

400

In 2015, a world record was set for reciting the most digits of pi blindfolded. The record holder recited roughly 700, 7,000, or 70,000 digits.

What is 70,000 digits?

400

Many running clubs and communities celebrate March 14th by hosting a "Pi" race instead of a standard 5K. To finish a Pi race, This is exactly how many miles you have to run.

What is 3.14 miles?

400

The numerical position Pi holds in the Greek alphabet. (Hint: same as p in our alphabet)

What is 16th place?

400

While we celebrate Pi Day in March, some mathematicians prefer to celebrate "Tau Day." This is the date of Tau Day since Tau is equal to exactly two times Pi.

What is June 28th?

500

Over 3,500 years ago, a famous text called the Rhind Papyrus recorded an early approximation of pi as roughly 3.16. This ancient civilization created this document. (Hint: They definitely needed to understand geometry to build the giant, tombs they are famous for!)

Who are the Egyptians?

500

True or False: You only need to calculate pi to 39 decimal places to measure the circumference of the observable universe accurately to the width of a hydrogen atom.

What is True?

500

This famous university in Massachusetts has a traditional, incredibly nerdy sports cheer that ends with the crowd yelling, "3 point 1 4 1 5 9!" (Hint: It is widely considered one of the top engineering and technology schools in the world, and Iron Man went there!)

What is M.I.T.?

500

Pi is arguably the most famous Greek letter used in math. This other Greek letter, which is drawn as a simple triangle, is used in math and science classes to represent a "change" in something.

What is delta?

500

Usually happening the weekend right before Pi Day, students and teachers alike lose an hour of sleep because we "spring forward" for the start of this annual event.

What is Daylight Savings Time Begins?

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