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From addition and subtraction to plane and space geometry, simultaneous linear equations, and probability, this book explains middle school math with problems that kids want to solve: “Seventy-five employees of a company buy a lotto ticket together and win…

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Dr. Ecco is a mathematical detective and puzzle solver. In this book readers are invited to join him in solving nearly 40 puzzles inspired by methods in computer science and mathematics, including The Tower of Lego, the Odd Doors Problem, Spies and Double Agents,…

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This extraordinary work takes the reader on a long and fascinating journey--from the dual invention of numbers and language, through the major realms of arithmetic, algebra, geometry, trigonometry, and calculus, to the final destination of differential equations,…

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This entertaining book of mathematical days exercises the brain with confounding puzzles, intriguing math problems, and, of course, detailed solutions to all the conundrums. Readers will enjoy 366 days' worth of stimulating math.

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$7.95

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Over 50 safe tricks — all based on scientific principles. Grade-schoolers using common, everyday items will soon be performing such mystifying feats as making squares and lines disappear, creating a magical doorway out of paper, cutting glass with scissors,…

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What is so special about the number 30? How many colors are needed to color a map? Do the prime numbers go on forever? Are there more whole numbers than even numbers? These and other mathematical puzzles are explored in this delightful book by two eminent…

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In Math Magic , his New York Times bestseller, Scoff Flansburg demonstrated his universal ability to make math fun and easy for adults. Now in Math Magic for Your Kids , the Human Calculator does the same for elementary school children. Measuring flour for a…

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$16.50

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A book that brings mathematics to life in stories, puzzles and challenges. Here we find - - How the fractions were squeezed between the whole numbers - Witness the rise and fall of the Roman numerals - Do mental gymnastics with intriguing puzzles - Challenge a…

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The authors, junior high students and best friends David and Asa, along with best-selling author Marya Washington Tyler, took the kind of gooey, slimy, disgusting science facts that students love and turned them into hilarious math problems. When's the last time…

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$15.07 online

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Penrose, a cat with a knack for math, takes children on an adventurous tour of mathematical concepts from fractals to infinity.