College professor Dan Bach offers a review of various basic topics in arithmetic, pre-algebra, and algebra. Order of operations, exponents, square roots, variables, and combining terms are just a few of the many topics covered.

[Free Registration/Login may be required to access all resource tools.] In this lesson students learn to apply the order of operations to evaluate algebraic expressions that contain fraction bars. Students can watch a video tutorial,...

[Free Registration/Login Required] In this lesson students learn how to evaluate expressions using a calculator. Students watch a video tutorial, explore guided notes and attempt practice problems.