- Algebra – Basic Definitions
- Khan Academy Videos: Variables and Expressions
- Simplifying algebraic expressions
- Khan Academy Videos: Functions
- What is a function?
- The Function Machine
Use this tool to figure out what function (or operation) defines the relationship between input and output numbers. Level 1 uses one-step functions; level 2 uses two-step functions. - Learning Express Library: Basic Algebra Practice Exercises
NOTE: You will need to create a Learning Express Library account with your email address. Click here to register for an account. - Learning Express Library: Functions Practice Exercises
NOTE: You will need to create a Learning Express Library account with your email address. Click here to register for an account. - Algebra 1 Exercises to Print (with answer sheets)
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