Prealgebra, Second Edition, helps students not only learn but also retain, mathematical concepts - an important challenge that math instruction must meet in order to ensure the current and future success of mathematics students. A strong revision that includes a new design, a new art program, and key content enhancements, our text incorporates a careful development of mathematical concepts, a focus on the ""why"" behind the mathematics, and a problem-solving approach that can be applied in all math courses, as well as in everyday life. Refine pedagogy and an enhanced supplements package also provide maximum help and support for both instructors and students.