Following on the success of the award-winning First Edition book and written by teacher/tutor Josh Rappaport, the Second Edition Guide offers time-tested advice for understanding the key areas of this gateway math subject. This book offers a mini-lesson format with a short set of practice problems and feedback. At the end of each section, chapter tests provide comprehensive checks on understanding. The book’s answers, written in the voice of a friendly tutor, provide conversational responses, along with step-by-step instructions in English right next to the math steps.