Mathematics Explorations calls for students to "put on a detective hat" and search for patterns in order . Discover math concepts and formulas . Break codes . Solve mysteries . Conduct investigations . Uncover and correct errors and blunders . Analyze why a "trick works" . Use clues to solve problems . And more! Each activity lesson correlates to NCTM's Principles and Standards for School Mathematics. Full solutions and extensions are provided. Teacher edition and student edition packs sold separately.