This page lays out a detailed explanation on working with inequalities from the beginning. It also provides examples for students to work through and a list and explanation of the different theorems related to inequalities.

This site gives a description of working with absolute value equations involving inequalities. It also shows the meaning of absolute value equations using number lines. The site also provides examples that students can practice with.

In this Early Edge video lesson, you'll learn more about Number Lines and Inequalities, so you can be successful when you take on high-school Math & Arithmetic.