180 daily lessons for eighth-graders practicing their essential math skills. Topics include Pre-algebra, the order of operations, solving equations, graphing on a coordinate plane, graphing linear equations, fractions, decimals, and percents, solving percent problems, square roots and cube roots, rational and irrational numbers, and quadratic functions. Preview all 8th-grade subjects here. The Preview includes the Table of Contents for all 4 subjects as well as a few sample lessons and pages.