Unknown Type
Khan Academy

Khan Academy: Two Step Inequality Word Problems

For Students 6th - 8th
Try some self-correcting practice two-step inequality word problems.
Activity
Richland Community College

Richland Community College: Math 116 Lecture Notes

For Students 9th - 10th Standards
This site from the Richland Community College provides the detailed lecture notes to a college algebra course, complete with equations and definitions. Content ranges from "functions and their graphs" to "conics and parametric equations."