Mathematics Explorations Grades 69 Teacher Edition Teacher Resource Author:Spangler, David Mathematics Explorations calls for students to "put on a detective hat" and search for patterns in order to: . 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 le... more »sson correlates to NCTM's Principles and Standards for School Mathematics. Full solutions and extensions are provided. Teacher edition and student edition packs sold separately.« less