The hardcover textbook has 170 lessons that review and extends skills taught in the previous levels. Review in each lesson keeps previous skills current. Bible applications enhance reading problems and illustrations. New concepts include the following areas. Decimals —Non-terminating. Percents —Profit and loss, compoun Memoria Press product: https://www.memoriapress.com/curriculum/math/rod-staff-grade-7-math-teacher-manual-part-1/