Background Tutorials

• Evaluate expressions at specific values of their variables. Include expressions that arise from formulas used in real-world problems. Perform arithmetic operations, including those involving whole-number exponents, in the conventional order when there are no parentheses to specify a particular order (Order of Operations).

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    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!

• Know and apply the properties of integer exponents to generate equivalent numerical expressions.

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    What's the Power of a Product Rule?

    There's a great trick for raising a product of two number to an exponent, and this tutorial shows you exactly that trick works.