Algebra

http://www.gavirtuallearning.org/Resources/MathResources/MathShared/SharedGSECoordinateAlgebra.aspx

http://www.gavirtuallearning.org/Resources/MathResources/MathShared/SharedGSEAdvancedAlgebra.aspx
http://www.math4ged.com/algebra/
https://www.khanacademy.org/math/algebra-basics

Algebra Basics
            Foundations

negative numbers links, vids, etc:

exponents links, vids, etc:

square roots links, vids, etc:

order of operations links, vids, etc:

fractions, decimals, percents (including operations with decimals) links, vids, etc:

perimeter, area, circumference links, vids, etc: