Geometry Math

A groundbreaking mathematician presents a new model for understanding financial markets. Benoit B. Mandelbrot, one of the century's most influential mathematicians, is world-famous for making mathematical sense of a fact everybody knows but that geometers from Euclid on down had never...

Have you ever wondered how to measure your pizza, or how much ice cream is in your ice-cream cone? Basic principles of geometry, including measuring two-dimensional and three-dimensional shapes, attributes of various shapes, and formulas for finding area and volume, are explored through informative and engaging text in this newest addition to the How Do series.

Join us as we go on a journey into the world of symmetry! Learn about the wonders of line symmetry—or reflection—as you create mirror images and watch how rotational symmetry works in this brief peek into this area of geometry.

From rectangular ladders to circular rings and hexagonal picnic tables, the park is full of shapes! Fun rhyming text will engage young children as they learn.

No number has captured the attention and imagination of people throughout the ages as much as the ratio of a circle's circumference to its diameter. Pi—or ? as it is symbolically known—is infinite and, in The Joy of pi, it proves to be infinitely intriguing. With incisive historical insight...