Famous Mathematicians
Pi and Its History
Yummy Pies
Mathematical Symbols
Pi Day Fun Facts
100

This mathematician is known for developing the laws of motion and universal gravitation.

Who is Isaac Newton?

100

Pi is commonly rounded to this number for most basic calculations.

What is 3.14?

100

This dessert, often associated with Pi Day, is typically made from a flaky crust and filled with a sweet mixture of apples, sugar, and spices.

What is an apple pie?

100

This symbol represents the sum of a series and a popular Gen Alpha brainrot word. 

What is the sigma symbol (Σ)?

100

This delicious dessert, often enjoyed on Pi Day, is named after a type of dough and filling.

What is a pie?

200

This Greek mathematician is famous for his work on the relationship between the sides of a right triangle, summarized in the theorem that bears his name.

Who is Pythagoras?

200

This ancient civilization was one of the first to approximate pi, with an estimate of 3.125.

What is Ancient Egypt?

200

In 2009, this American state declared March 14th as "Pi Day" and also celebrated the mathematical constant with pie-eating contests.

What is Massachusetts?

200

This symbol, π, represents this irrational number, commonly approximated as 3.14159.

What is Pi?

200

Pi is a never-ending, non-repeating decimal, making it this type of number

What is an irrational number?

300

This French mathematician, who made significant contributions to number theory and elasticity, is best known for her work on Fermat's Last Theorem, despite never being formally educated in mathematics.

Who is Sophie Germain?

300

This mathematician famously calculated pi to over one million digits in the 20th century.

Who is John von Neumann?

300

This savory pie, filled with a mixture of meat, vegetables, and gravy, is a favorite in many parts of the world, including the UK and Australia.

What is a meat pie?

300

This symbol, used in calculus, represents a very small change in a variable.

What is delta (Δ)?

300

This famous scientist was born on Pi Day (March 14), and his contributions to physics and mathematics are celebrated worldwide.

Who is Albert Einstein?

400

This Indian mathematician made significant contributions to number theory and is known for his work on pi and infinite series.

Who is Srinivasa Ramanujan?

400

Pi Day is celebrated on this date to represent the first three digits of pi.

What is March 14th?

400

The longest pie chain, which broke the world record in 2016, stretched over 3 miles and was made up of this type of pie, which includes a mix of sweet and savory flavors.

What is a pizza pie?

400

This symbol represents the square root of a number.

What is the radical symbol (√)?

400

Pi has been calculated to over this many digits as of 2020.

What is 50 trillion digits?

500

This woman was the first to earn a Ph.D. in mathematics from the University of Göttingen and worked with Karl Weierstrass.

Who is Emmy Noether?

500

This ancient mathematician’s work involved the concept of the "circle" and developed an early approximation of pi using polygons.

Who is Archimedes?

500

This French dessert pie, often served with a rich custard filling, is typically topped with caramelized sugar and is also known as a "burnt cream" pie.

What is a crème brûlée pie?

500

This symbol is used in set theory to denote the union of two sets.

What is the union symbol (∪)?

500

This Pi Day tradition involves attempting to memorize and recite as many digits of pi as possible.

What is Pi recitation?

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