Spectrum workbooks are expertly designed to help students achieve success in every core subject area. Effective standards-based instruction-written by educational experts and partnered with engaging, grade-appropriate activities-provides specific reinforcement across a broad spectrum of core school subjects. In addition to easy-to-understand instruction, each workbook includes targeted practice and assessment and an answer key. New Spectrum now includes nonfiction reading activities, and contains questions that address current national standards. Spectrum's Test Prep can help students achieve success in standardized testing by providing: - Test taking strategies and techniques - Practice for state tests and proficiencies - Complete answer key - Actual test questions in Reading, Language Arts, and Math