Assist students to easily transition from arithmetic to algebra! Teachers can use the Helping Students Understand series as a full unit of study or as a supplement to their curriculum while parents can use this series to help their struggling students grasp algebraic concepts. This book includes step-by-step instructions with examples, practice problems using the concepts, real-life applications, a list of symbols and terms, tips, answer keys, reference, and NCTM Standards and Expectations for 2004. 128 pages.