So, you want to know about circles, eh? Well, it’s a little trickier than measuring your average square. Luckily for you, Tim and Moby make circles and their measurement a cinch in this BrainPOP movie! First, you’ll learn what a circle is, how to find the center of a circle, and how to find and use a circle’s radius and diameter. Then, you’ll learn about handy formulas to use in figuring out a circle’s circumference and area. Plus, you’ll get introduced to the circle’s friend, pi, and you’ll discover how it’s used. Watch this movie and you’ll be flying through your geometry class in no time!

Watch the Math movie about Circles »

How many sides does a circle have?

What is circumference?

What is pi?