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"The social repository of the world's greatest brain teasers, logical puzzles and mental challenges. Join us to add, rate, and comment on puzzles! "

Patterns in #Mathematics -- Logic Patterns http://t.co/ptaecFtk0F

Schlumberger Excellence in Educational Development, Inc. (SEED) offers creative math puzzles, with solutions. Puzzle categories include: * Number Sense * Arithmetic * Probability * Algebraic Thinking * Geometry, Spatial Reasoning, and Visualization * Topology * Logic * Combinatorics * Miscellaneous

Welcome to Math Playground, an action-packed site for elementary and middle school students. Practice your math skills, play a logic game and have some fun!