LibGuides: Mathematics: Evaluating expressions

EVALUATING EXPRESSIONS

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 substitution
This 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 variables
This worksheet provides you with 24 two-variable expressions to evaluate.
Download a worksheet of variable and verbal expressions
This 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 variables
This worksheet lets you practice evaluating expressions with up to three variables.
Quiz yourself on evaluating expressions
Try 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.net
To open the scientific calculator in a new window, you MUST click the link.