Houghton Mifflin Harcourt
Holt, Rinehart and Winston: Homework Help Independent Practice: Evaluating Expressions
Get independent practice evaluating expressions for a given variable value. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
Math.com
Math.com: The Basics of Algebra: Evaluating Expressions
Students learn how to evaluate algebraic expressions in this mathematics resource. A learning tutorial and practice problems to check for comprehension of the math concepts are included.