In this Investigation we look at linear inequalities in two variables.

In this Math Lab we look at graphical solutions to linear inequalities.

Ever since the mathematics of the Babylonians, equations have played a central role in the development of algebra.

In this Investigation we get a historical overview of equations.

In this Math Lab a hands-on activity has students comparing the diameter of a circle and its circumference.

Watch this video about variables and equations. (The transcript is included.)

In this Math Lab we look at an area model for expanding the product of two binomials.

In this TI Nspire tutorial, the Graph window is used to graph a linear inequality in slope-intercept form using sliders.

In this TI-Nspire CX tutorial, the Graph Window is used to graph inequalities using sliders.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.

This is part of a collection of math worksheets on the topic of solving two-step equations.