When is National Pi Day 2025? What to know about Pi Day activities for kids, songs, movies, jokes, deals, snack ideas and more.

It's Friday, March 14 —3/14, the day that every math nerd eagerly anticipates each year. Known around the world as "Pi Day." ...

Pi belongs to a huge mathematical group called irrational numbers, which go on forever and cannot be written as fractions.

Shirland Middle School announces the release of a book written and illustrated by its math club: The Pi Day Pirates: A Math-Magical Adventure for Savvy Scallywags!

“Mathemalchemy” has been described as “a mathematics fever dream turned artistic playground for all math lovers (and haters, too).” ...

Astrophysicist Neil deGrasse Tyson has shared a crucial reason why kids need to keep up with their math homework - as it ...

Pi Day is an annual celebration of the mathematical constant π (pi), observed on March 14 (3/14). According to NASA, the first official Pi Day celebration was in 1988. It was organized by physicist ...

Math fanatics from all around the world and everyone else who just loves ancient Greek pi (or pie) celebrate on March 14.

Mathematician Dr. Steven Strogatz breaks down the history of the math concept and brings it full circle to recent science.

As a math nerd whose work encompasses food and the environment, I’ve decided to mark the occasion by calculating the environmental footprint of a slice of key lime pie.

Charlotte-Mecklenburg Schools is considering implementing performance-based bonuses of up to $15,000 for math teachers at ...

Pi Day rolls around every year on March 14. It is observed on March 14 because 3, 1, and 4 are the first three significant figures of π, making the date (3/14) a perfect match to honor the ...