"Algebra Lessons
Browse our collection of algebra lessons written by FreeMathHelp.com on the left, or some video lessons provided by various partners on the right:"
"This site is organized around seven key concepts of math, according to the New York State Education Dept., for each grade, 5-8. The seven key concepts are: Mathematical Reasoning, Numbers and Numeration, Operations, Modeling/Multiple Representation, Measurement, Uncertainty, and Patterns and Functions. Each key concept has activities and resources developed for each grade 5-8."