**In this module you can study how to substitute numbers into algebraic expressions.**

An expression is not an equation.

You cannot solve an expression; you can only simplify it or evaluate it.

**Study and practice**

- Study evaluating expressions with substitutionThis page shows you how to use the substitution method to evaluate expressions. At the end you can take a quiz.
- Download a worksheet of evaluating expression with up to 2 variablesThis worksheet provides you with 24 two-variable expressions to evaluate.
- Download a worksheet of variable and verbal expressionsThis worksheet asks you to translate algebraic expressions into words and words into algebraic expressions. In the third section, you are asked to evaluate ten verbal expressions.
- Download a worksheet of evaluating expressions with three variablesThis worksheet lets you practice evaluating expressions with up to three variables.
- Quiz yourself on evaluating expressionsTry this six-question quiz from onlinemathlearning.com.

The video explains how to use exponents on a Casio fx-991 scientific calculator. (The 'E' part of BEDMAS.)

- Online scientific calculator from Calculator.netTo open the scientific calculator in a new window, you MUST click the link.