Mildred Johnson, et al: McGraw Hill, 1999. This popular study guide shows students easy ways to solve what they struggle with most in algebra: word problems.
How to Solve Word Problems in Algebra
is ideal for anyone who wants to master these skills. With this easy-to-use pocket guide, solving word problems in algebra becomes almost fun. The anxiety-quelling guide helps you get ready for the most difficult word problems, one step at a time. With fully explained examples, it shows you how easy it can be to translate word problems into solvable algebraic formulas.
Oswego City School District Regents Exams Prep Center, 2003. Lists and explains all the major properties of real numbers, including the identity, inverse, and closure properties.
Elizabeth Stapel: Purplemath.com, 2003. Discusses the simplification of expressions via the distributive, commutative, and associates properties.