Geyer has your math book needs for grades six to eight. Our books are easy to understand and use real-world examples to help make students feel confident in answering math problems on their own. By using our books your students' math skills can grow and they can move up to the next level. The books will also help get students prepared for high school math. The Principles and Standards of Math book series covers all of the topics students in 6-8th grade need to learn and meet state standards. The books series has practice tasks, real-world math problems, review on the topics, and a key for the teacher. Some of the concepts are algebra, geometry, data analysis, probability, and more!