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Puzzle solvers will love these entertaining story problems that require deductive reasoning, logical elimination and math skills. Using clues, cross off words in a list of all possible answers to arrive at the solution. The Math Perplexors: Level D (Ages 12 and up) has 50 problems which increase in complexity as you work your way through the book. This book is reproducible for single-classroom use. Please click the link below for a free printable worksheet sample. Download Sample Page