Pi Day Jokes

Check out these math teacher-approved pi day jokes for your March 14th celebration!

Need more math jokes?

You might also be interested in checking out my collections of algebra jokes, geometry jokes, trig jokes, statistics jokes, and calculus jokes. I also have a giant collection of the 139 best math jokes or you might want to download my math joke of the week posters which can be hung up inside or outside your classroom. 

And if you’re looking for more ideas for celebrating Pi Day, check out my Ultimate Guide to Celebrating Pi Day which features Pi Day Activities, Puzzles, Games, and more!

Irrationally Funny Pi Day Jokes

These pi day jokes are based on the fact that pi is an irrational number.

• Why should you never start talking to pi at a party? Because it just goes on forever.
• What do you call it when someone gets a huge tattoo of pi on their face? An irrational decision.
• What did pi say in a spat with its spouse? You’re being irrational.
• Why did pi fail its driving test? Because it didn’t know when to stop.
• Why isn’t pi on Twitter? Because even 280 characters isn’t enough to express itself.
• Why don’t you want to get hit in the face with pi? It never ends.

Pi(e) Jokes

These pi day jokes feature pi/pie word play.

• What was Sir Isaac Newton’s favorite dessert? Apple pi.
• What did the students say about their math test? It was easy as pi.
• What do you get when you divide a jack-o-lantern by its diameter? Pumpkin pi.
• What do you get when a bunch of sheep stand around in a circle? Shepherd’s pi.
• What do mathematicians eat for dinner on March 14? Chicken Pot Pi
• How many bakers does it take to bake a pi? 3.14.

Circle Jokes

These pi day jokes rely on a knowledge of circle vocabulary.

• Why shouldn’t you eat too much pi? You’ll end up with a big circumference.
• What do you get when you take the sun and divide its circumference by its diameter? Pi in the sky.