By playing with a flying disk, a geodesic dome, psychedelic designs, and more, kids teach themselves such concepts as pi, ellipses, and parabolas.
Circles reveals the geometry of life in mazes, magic, pinwheels, pickles, and more.
Math Tricks, Amazing Math Activities, Cool Calculations, Awesome Math Factoids , and More , by Christy Maganzini, Ruta Daugavietis Cool Math is the ultimate exploration of numbers for kids. The Joy of Pi offers a rare treat for those number fetishists, telling the story of pi and man's fascination with it, from Archimedes to da Vinci to the modern-day Chudnovsky brothers. All right reserved.