University of California
Student Workbook: Algebra and Functions
A smorgasbord of functions, this packet has the basics required for your learners to be successful in the land of early algebra. The packet includes solving equations, graphing, evaluating, simplifying and basically everything else...
AAA Math
Aaa Math: Simplifying Fractions
This site explains how to simplify fractions, then offers problems and games to practice this skill.