Math tv.com: Simplifying Expressions: With Variables

Pupils may be able to simplify expressions, but do they understand how to simplify an expression? A PowerPoint presentation gives several examples of Smarter Balanced Assessment items that test learners' understanding of the concept....

Recognize the base. Part of a larger Algebra I series, the short video highlights the importance of recognizing the base to simplify expressions with exponents. In doing so, pupils notice the basic property that uses negative exponents.

Even with complex quotients, there is still more than one way to simplify an expression. The narrator of a short shows two methods of simplification when dealing with expressions with negative exponents. One method follows the more...

Sometimes simplifying expressions is as simple as combining like terms. Help your pupils build the important skill using a video presentation. After defining like terms, the instructor completes a series of examples, which progress from...

Solving equations is the groundwork for all of algebra. A video presentation explains the steps for solving an equation with variables on both sides. Using a different color for each step, the instructor shows how to manipulate the...

Learn how to use order of operations to simplify expressions. Several videos, featuring a math teacher and students, offer step-by-step instruction on how to simplify expressions that only involve numbers.

Learn how to simplify expressions with radicals by viewing several videos. This site offers several videos, featuring a teacher and different students, in which step-by-step solutions are offered for thirteen expressions.

In this exercise, students practice writing expressions with variables. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

In this exercise, students practice writing expressions with variables and parentheses. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

Combine fractions that have unlike denominators and a variable. As usual the variable needs to get isolated. Then find the least common denominator so you can combine the fractions. Finally put it all back together.