Ultimate Guide to Celebrating Pi Day [2025]

Looking for fun and creative pi day activities? Check out this comprehensive list of free ideas and activities for celebrating pi day from those who best know how to celebrate this most mathematical of holidays – math teachers!

ultimate guide to celebrating pi day activities

Pi Day Decorations

Pi Clock Poster

Add a bit of Pi Day fun to your classroom with this free printable pi clock poster.

Pi Symbol Decoration from Coloring Pages

pi symbol made from pi day coloring pages

Doing a coloring sheet for Pi Day? Turn it into a fun pi symbol for a creative decoration!

Color-Coded Digits of Pi Posters

Help students understand the digits of pi with this colorful poster display from Jae Ess.

Pi Symbol Desk Arrangement

classroom desks arranged into pi symbols for pi day

I’m super inspired by how Priscilla arranged her desks for Pi Day!

Pi Symbol Display

Check out this Pi Day shirt and giant pi symbol made from pi symbols.

Puzzles for Pi Day

3-1-4 Pi Day Number Challenge

Can you create expressions for the numbers from 1-30 using the digits 3, 1, and 4? This pi day number challenge is a fun twist on the classic four fours challenge.

Pi Battle Logic Puzzles

Can you use logic to correctly place the pi symbols in these pi battle logic puzzles?

Place pi symbols in the grids so that each row, each column, and each region contains exactly one pi symbol. Additionally, pi symbols may not touch one another either horizontally, vertically, or diagonally.

Pi Day Hidden Word Puzzle

Looking for a fun word puzzle for Pi Day? Search through the grid of letters to find a path that spells “Pi Day.”

Pi Symbol Pentominoes Puzzle

Can you use a standard set of twelve pentominoes to form a pi symbol?

Pi Day Hidoku Logic Puzzle

Add an element of logic to your Pi Day celebration with these fun Pi Day Hidoku Logic Puzzles!

Pi Day Word Search

Celebrate Pi Day on March 14th with this fun Pi Day Word Search for your middle school or high school math students.

Digits of Pi Hidden Number Puzzle

This fun hidden number puzzle involves finding the first 11 digits of pi in a grid of numbers. It would be a perfect addition to your Pi Day festivities!

Pi Symbol Kakuro Puzzles

pi symbol kakuro logic puzzles for pi day.

These pi symbol kakuro puzzles are the perfect printable logic puzzle for celebrating Pi Day!

Square Pi Puzzle

This Square Pi Puzzle is two challenges in one. Use all five pieces to build a square. Done? Now, use all five pieces to create a pi symbol.

Pi Symbol Mazes

Can you solve this printable pi symbol maze that is perfect for celebrating Pi Day? It is a free download with eight different levels of difficulty to choose from.

Pi Edge Matching Puzzle

This pi puzzle is the perfect quick activity to add to any Pi Day Celebration to instantly make it more fun and festive! Can you arrange the 9 squares into a 3×3 grid so that the puzzle pieces match along each edge?

Pi Symbol Nonogram Puzzle

Bring some puzzling fun to Pi Day with this free printable pi-shaped nonogram puzzle.

Pi Symbol Hidoku Puzzles

pi symbol hidoku logic puzzle for pi day.

These free printable pi symbol hidoku puzzles are the perfect logic puzzles for celebrating Pi Day!

Which One Doesn’t Belong?

Your students will enjoy this pi-themed WODB (Which One Doesn’t Belong?) task from Zach Armstrong.

Pi Day Dingbats Puzzles

These Pi Day Dingbats challenges look so fun! How many will your students be able to figure out?

Pi Sudoku Puzzle

Here’s a Pi Sudoku Puzzle shared by Cliff Pickover.

Each row, column, and region contains the digits 1-9 one time each as well as 3 pi symbols.

Pi Day Contests

Digits of Pi Memorization Contest

Challenge students to see how many digits of pi they can recite from memory. Their dedication to memorizing digits might surprise you!

Pi Ku Poetry Writing Contest

One of my favorite activities to do with my math students on Pi Day is to write pi-ku poems. Instead of the traditional haiku’s 5-7-5 syllable structure, we follow a 3-1-4 syllable structure.

I love reading what students come up with!

Pi Day Character Contest

What would your students come up with?

Mathematician Dress Up Contest

Given that Albert Einstein’s birthday was March 14th, Pi Day seems a fitting day for a mathematician dress up contest!

Pi Birthday Search

This pi birthday search contest is entirely luck based, but students will love discovering whose birthday appears the latest in the digits of pi.

Pi Day Poster Contest

Check out this annual pi day poster contest hosted by Mrs. Richardson.

Pi Day Coloring Contest

Looking for something slightly less time-consuming than a poster making contest? Check out this Pi Day Coloring Contest from Becky Roloff.

Pi Day Trophies

No matter which pi day contest you choose, check out these creative pi day trophies from Lisa Rode!

Denis Sheeran shares another idea for celebrating that involves a circle drawing contest. Check out all the details here.

Tweet about pi day circle drawing contest.

When the world returns to normal again, I think I want to try to do a Pi Day Bake Off Competition. Thanks to Westie’s Workshop for the idea!

Pi Day Projects

I am a fan of this calculus-based pi day graphing project that Alisa shared.

Pi Day Calculus Lesson. — Image Source: https://twitter.com/AlisaHobgood/status/1238572517679300618

Mary Platt shares a great water-color based pi day lesson.

Graphing the Digits of Pi Skyline Project. — Image Source: https://twitter.com/Mary4Math/status/974005563074936832

I’ve seen skylines made of pi before, but Sarah Gyimoty takes it a step further with the first 180 digits of pi!

Pi Day Skyline Math Class Pi Day Ideas — Image Source: https://twitter.com/MrsGyimotyAPHS/status/973991894530306049

Yummy Pi Day Treats

Vicki Biarnesen shares a yummy non-pie treat for Pi Day.

Pi Day Rice Krispie Treats — Image Source: https://twitter.com/vickibteach6/status/1106169880766758918

Exploring Pi with Pancakes

Looking for a tasty way to introduce pi? Check out this pi and pancakes lesson from Lisa Rode.

Pi Day Facts

Vincent Pantaloni shares a fun fact to share on Pi Day.

School-Wide Pi Day Celebration Ideas

Pi Day Passport

Many of the ideas from this page could be combined to create your own custom Pi Day passport for students to complete.

Digits of Pi Photograph

Get the entire school involved to make a photograph involving the digits of pi.

Already thinking about next year’s celebration? Make it a school wide celebration with this idea from Pep Anton Vieta.

Pi Sign pointing to clocks on Pi Day. — Image Source: https://twitter.com/pquimic/status/974383028221939718

Jacqueline Tishler shares the idea of engaging students with a kahoot on pi facts.

Pi Day Kahoot Activity over Pi Facts. — Image Source: https://twitter.com/jmtishler/status/709370504403099648

Mr. Downin shares a creative idea: hide pi symbols around the school for your students to find!

Hidden Pi Symbols around school. — Image Source: https://twitter.com/MrDownin/status/576333435066781696

Exploring the Mathematics of Pi

Seeing Pi Activity

What does tennis have to do with Pi Day? In this Seeing Pi Activity, students will make a connection between a stack of tennis balls and the number pi.

Tossing Pi Activity

Students will be amazed when they discover that tossing toothpicks can be used to generate an approximation of pi!

Cutting Pi Activity

This cutting pi activity is a great discovery activity to help students understand the meaning of pi!

I love this finding pi activity from Annette Williams.

Sabrina Grasso shares a brilliant use for a hula hoop while celebrating Pi Day.

Pi Day Hula Hoop Activity math Class — Image Source: https://twitter.com/MrsGrassoAPHS/status/973964537220214784

Elizabeth Raskin engaged her students in a very visual discovery of pi. I’ve seen a lot of pi-related activities, but this one was completely new to me.