Simplify your life as Tim and Moby introduce you to the principles behind rounding numbers. In this BrainPOP movie, you’ll learn about place values, when to round up and when to round down, and how a number can change depending on where you have to round it to. You’ll even discover some real-world uses for rounding, and why it’s always a good idea to round up if you’re talking about money. Leave your calculator at home!

Watch the Math movie about Rounding »

What is rounding?

Why do people round numbers off? Shouldn’t I show the exact answer I get to a math problem?

Can you give me some examples of rounding numbers?