Number wheels and grids painted on concrete help math come alive. At Franklin Elementary’s summer school, Santa Barbara students are a hop, skip, and a jump away from learning how to add, subtract, ...

In DeKalb County, Ala., elementary school math classes have gotten noisy. In a good way. Instead of worksheets and textbooks, children practice adding and subtracting with tiny toy bears. They ...

Three years ago Christopher Havens, who has been serving a prison sentence of more than two decades for murder, published a discovery in number theory from his cell. A significant class of fractions, ...