Write and interpret numerical expressions.

How Do You Simplify an Expression Using the Order of Operations?

You can't simplify an expression without fully understanding the order of operation! Follow along with this tutorial to see how to use the order of operations to simplify an expression.
Which Operations Do You Do First in an Expression?

You can't simplify a problem without the order of operations. In this tutorial, you'll learn about this special order and see how to use it to solve a problem!
How Do You Translate Phrases into Numerical Expressions?

Turning a phrase from words to a math problem can be tricky, but practice can make this process easier! In this tutorial, you'll see how to look for key words that can help you translate a phrase into math.