The Spectrum® Math Workbook for eighth grade features 160 pages of focused instruction and progressive practice to help students stay ahead in math and enhance problem-solving skills. This standards-based workbook provides systematic and thought-provoking practice designed to increase in complexity for the following content areas: rational and irrational numbers, linear equations, the Pythagorean Theorem, geometry in the coordinate plane, and probability and statistics. With easy-to-follow instructions, tests, and an included answer key, parents and teachers can accurately monitor students' progress. The best-selling Spectrum series is a favorite of parents and teachers because it's carefully designed to be both effective and engaging––the perfect building blocks for a lifetime of learning.