Students love trying to solve challenging puzzles. So why not build and review their math skills while they're having fun?  This book requires students to complete math problems and use reasoning to unlock the clues needed to solve matrix-based logic problems. Mathematical skills covered include measurement, number operations, geometry, probability, fractions, decimals, percentages, and algebra. It includes a detailed how-to section for teaching logic puzzles and an in-depth answer key, so students can understand the thinking process behind each solution. Reproducible for a teacher's classroom use.