Peter Winkler is at it again. Following the enthusiastic reaction to Mathematical Puzzles: A Connoisseur's Collection, Peter has compiled a new collection of elegant mathematical puzzles to challenge and entertain the reader. The original puzzle connoisseur shares these puzzles, old and new, so that you can add them to your own anthology. This book is for lovers of mathematics, lovers of puzzles, lovers of a challenge. Most of all, it is for those who think that the world of mathematics is orderly, logical, and intuitive-and are ready to learn otherwise!

Challenge yourself with over 100 fresh paradoxes, puzzles, riddles, conundrums, word and number games for the jaded, skeptical puzzlist. Over 100 pages of comprehensive answers. Approximately 300 illustrations. "Excellent collection of unusual, offbeat, and completely original puzzles." ? Scientific American.

Challenge yourself with over 100 fresh paradoxes, puzzles, riddles, conundrums, word and number games for the jaded, skeptical puzzlist. Over 100 pages of comprehensive answers. Approximately 300 illustrations. "Excellent collection of unusual, offbeat, and completely original puzzles." ? Scientific American.

This book contains "math mind benders," puzzles that are worked like crossword puzzles except that each square is filled with a digit rather than a letter. Clues to the puzzles are interrelated with each other and a given story. Clear thinking and deductive reasoning must be used to find potential answers and eliminate those that fail to meet all conditions. The puzzles present opportunities for discovering interesting facts about numbers and their interrelationships and some basic principles of elementary number theory. Contains teacher suggestions, answers, and detailed solutions to the 27 puzzles. (JRH)

Make math matter to students in grades 5 and up using Math Skills Mind Benders! This 128-page book reinforces mathematical skills with brainteasers, puzzles, games, pictures, and stories. The book includes activities that are labeled with the skills they address and the grade levels they target. Topics include place value, operations, fractions, decimals, percents, problem solving, logic, consumer math, algebra, geometry, data analysis, and probability. This book supports NCTM standards.