Background Tutorials

• Fractions

  • • 

    What's a Numerator and What's A Denominator?

    Numerators and denominators are the key ingredients that make fractions, so if you want to work with fractions, you have to know what numerators and denominators are. Lucky for you, this tutorial will teach you some great tricks for remembering what numerators and denominators are all about.

• Evaluating Expressions

  • • 

    What is a Variable?

    You can't do algebra without working with variables, but variables can be confusing. If you've ever wondered what variables are, then this tutorial is for you!

• Using the Distributive Property

  • • 

    What is the Distributive Property?

    The distributive property is a very deep math principle that helps make math work. It's the rule that lets you expand parentheses, and so it's really critical to understand if you want to get good at simplifying expressions. So check out the tutorial and let us know what you think!

• Solving Equations by Adding

  • • 

    What's the Addition Property of Equality?

    Solving equations can be tough, especially if you've forgotten or have trouble understanding the tools at your disposal. One of those tools is the addition property of equality, and it lets you add the same number to both sides of an equation. Watch the video to see it in action!

• Solving Equations by Multiplying

  • • 

    What's the Multiplication Property of Equality?

    Solving equations can be tough, especially if you've forgotten or have trouble understanding the tools at your disposal. One of those tools is the multiplication property of equality, and it lets you multiply both sides of an equation by the same number. Watch the video to see it in action!

• Solving Equations by Dividing

  • • 

    How Do You Solve an Equation Using Division?

    Solving an equation for a variable? Perform the order of operations in reverse! Check it out in this tutorial.