Book excerpt: Make math matter to students in all grades using Math Tutor: Pre-Algebra Skills! This 80-page book provides step-by-step instructions of the most common math concepts and includes practice exercises, reviews, and vocabulary definitions. The book covers factoring, positive and negative numbers, order of operations, variables, exponents, and formulas such as perimeter, area, and volume. It aligns with state, national, and Canadian provincial standards.