Mathematical Games Knowledge Cards
• With 48 fact-filled cards per package, Knowledge Cards are a great source of condensed information—all in a deck the size of a pack of playing cards.
• Knowledge Cards are like small books—packed full of information and fun
• An easy way to learn
• Use as flash cards, or as a quiz game
Published with Scientific American
Size: 3.25 x 4 x .75 in.
From the puzzle master Martin Gardner, here are 48 games that require a love of a challenge and creative thinking. Some are fun; some are diabolically clever. The fronts of the cards will test your mathematical ability, draw on all your reasoning skills, and offer you the fun of solving the seemingly unsolvable. The backs of the cards present the answers, from simple to complex.