Solve linear inequalities that take multiple steps to solve. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.

Provides examples and a video lesson that illustrates how to solve linear inequalities.

Gain an understanding of how to calculate the area and the perimeter by viewing examples and a video lesson. [1:13]

Learn all about negative numbers, which are any number less than zero.

Practice solving one-variable equations like 20 - 7x = 6x - 6, where the variable appears on both sides of the equals sign. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...

Solve a linear equation for a variable where the coefficients are represented by letters. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.