Pi Day Definitions
Pi Pun
Pi Day Jokes
100

The distance from the center of a circle to the outside.

What is the radius?

100

A cheesy Italian dish that's a round favorite worldwide.

What is pizza?

200

Pi is defined as the ratio of a circle’s circumference to this.

What is the diameter?

200

The smallest finger on your hand – oddly, it starts with 3.14.

What is the pinky?

200

Why pi failed its driving test — it didn’t know when to do this.

What is stop?

300

An outdoor meal on a blanket – ants might crash it.

What is a picnic?

300

A mathematician’s favorite snake.

What is a pi-thon?

400

The set of all points equidistant from the center of a circle.

What is a circle?

400

A festive party object you smash open for candy.

What is a piñata?

400

Why you should never start talking to pi at a party — it does this.

What is go on forever?

500

Winnie-the-Pooh’s little porcine friend – or any baby hog.

Who is Piglet?

600

The classification of pi in the real number system.

What is an irrational number?

600

Leafy green that gave Popeye his super strength.

What is spinach?

700

A curve winding around a center point – it goes round and round infinitely.

What is a spiral?

700

What you get when you divide a jack-o-lantern by its diameter.

What is pumpkin pi?

800

The formula for the circumference of a circle.

What is C = 2πr (or πd)?

800

Variety, seasoning, or “zing” – you might add this to food for flavor.

What is a spice?

800

Why pi is lucky in love — its love is this.

What is endless?