Mathematical Reasoning Middle School Supplement reinforces 7th and 8th grade math concepts and skills by asking students to apply these skills and concepts to non-routine problems. 50 engaging, theme-based collections of problems are conveniently grouped in self-contained, double-sided activity sheets that provide space for student work. Each collection contains relevant math facts at the end of the worksheet in case students need hints to solve the problems. Calculators are allowed on activity sets that have a calculator icon at the top of the front side of the set. Each activity set is accompanied by a single-sided answer sheet containing strategy tips and detailed solutions. 154 reproducible pages, softcover. Grades 7-9.