identify a number, its opposite, and its absolute value

What Does Absolute Value Mean?

In this tutorial you'll see how you can think of absolute value in a very intuitive way. Let us know if you have any questions about it!
What's a Rational Number?

There are lots of different kind of numbers that you should know about, and that includes rational numbers. Check out the tutorial!
How Do You Represent Real World Situations Using Integers?

The real world has all sorts of math clues! See how to use math to represent real world situations by watching this tutorial: