Written by Gretchen Von Koenig Elements of Geometry by Euclid is one of the most printed books in the world, second only to the Bible. A critical subject for any branch of mathematics, Euclid’s Elements is a timeless book and certainly an ideal project for Bruce Rogers, one of the most prolific American book and...

Why? Learning Landscape is a universal, adaptable approach to elementary math education. This simple grid of half-submerged tires can be built anywhere in the world from cast-off materials. Using chalk to mark numbers on the tires, teachers and students play games that mobilize the natural excitement of group competition and physical movement. The concept comes...