Math Facts
Pi Histoy
Rhymes with Pi
Cool Pi Facts
100

The first 5 digits of Pi

What is 3.1415?

100

This holiday celebrating pi is observed every year on March 14.

What is Pi Day?

100

What you say when you see someone

What is Hi?

100

The most popular pie eaten on Pi day

What is Apple Pie?

200

Because pi never ends and never repeats, it is classified as this type of number.

What is an irrational number?

200

Pi is mostly used when working with this shape.

What is a circle?

200

What you get with your meal at a McDonalds 

French__

What is Fry?

200

The Highest amount of Didgets Memorized

What is 70,000?

300

The formula 2πr helps you find this measurement around a circle.

What is the circumference?

300

When Pi was first discovered

What is 1650 BCE?

300

Another word for a boy

What is Guy?

300

An influential scientist was born on this day

Who was Albert Einstein?

400

The formula πr² helps you find this measurement inside a circle.

What is the Area of a Circle?

400

In the 1700s, this Greek letter began to be commonly used to represent the circle constant.

What is the Greek letter pi π?

400

You use a towel to...

What is Dry?

400

The theoretical physicist that had ALS who died on Pi day

Who was Stephen Hawking?

500

The formula 4/3πr3 is used to find this measurement of a sphere.

What is the Volume of a Sphere?

500

This ancient Greek mathematician was the first person to make an early and accurate estimation of pi by using polygons around a circle.

Who is Archimedes?

500

What you do to your hair when you want to change its color

What is Dye?

500

When Pi day was first celebrated

What is 1988?