This archived news story is available only for your personal, non-commercial use. Information in the story may be outdated or superseded by additional information. Reading or replaying the story in ...

With each step, he ties the formula to real measurements and calculations, making the concept accessible to even those ...

A game of hopscotch or a slice of pizza can become lessons in maths, schools are telling their teachers. In another school, a teacher explained the difference between radius and diameter using a ...