Welcome to the secret world of mathematicians! Mathematicians play by asking interesting questions and investigating possible solutions. Think like a mathematician, experiment with ideas, and see what you can discover. Through hands-on activities, explore areas of math not usually taught until college. Visit lands of higher dimensional geometry, tessellations, probability, and topology. From brain-teasers to creative exploration, Puzzles and Problem-Solving will engage you in the playful side of math.