A collection of over 300 reproducible puzzles. Ranging from easy logic challenges to more difficult math brainteasers, the puzzles are organized into groups that correspond to NCTM standards. Covers a variety of math topics, from fractions and geometry to probability and algebra. The range of puzzles incorporates multiple approaches to skill building, including numerical manipulation, spatial/visual exercises, and language arts exercises. Includes number puzzles, spatial/visual puzzles, cryptograms, logic puzzles, and word games. 8½"x 11". Paperback: 248 pgs. Gr. 6-8.