When it comes to teaching math, you've probably tried everything from quizzes over breakfast to extra homework help. But modern technology has introduced a clever new skill-building method: digital ...

Like many parents, Sal Khan has bought Itsy Bitsy Spider, Park Math and other educational apps created by Duck Duck Moose, a San Mateo, Calif.-based startup. But the Khan Academy founder just scored ...

Studies show that students usually have to relearn four to six weeks of classwork at the beginning of every school year. And if there’s anything kids forget, it’s math. With your trusty iPad and a few ...