The math workshop : algebra

Algebra is really arithmetic in disguise. Number system revisited The integers revisited The order of operations and the distributive law Fractions revisited Decimals revisited Roots and radicals Scientific notation Albegra: variables and expressions Polynomials Algebraic fractions Expressions versus equations versus identities Linear equations The word problem problem Quadratic equations Yet more equations Simultaneous equations Inequalities Absolute value The cartesian plane Distances and midpoints in the plane Lines.