Kumon Algebra Workbook applies the Kumon Method to algebra, so your child can build strong algebra skills without feeling anxious or overwhelmed. Topics include solving for x, simplifying algebraic expressions, linear equations, inequalities, graphing equations, and more. This workbook combines two workbooks in one for optimal practice. The Answer Key for Workbook I is in the middle of the book and the Answer Key for Workbook II is in the back of the book.