Using the pedagogical methods that have made Keedy/Bittinger work-texts so popular and effective, this sixth edition of Essential Mathematics gives students a brief review of arithmetic and introductory algebra, while it focuses on intermediate algebra. Geometry is also thoroughly covered in the text. This work-text features pretests, clear learning objectives, margin exercises, section exercises, and chapter reviews and exercises. Thinking it Through exercises are designed to promote critical thinking. Icons are used to key supplementary materials directly to the text. This edition is designed to meet the needs of states that have competency texts covering material through intermediate algebra.