In today's fast-paced world, parents are constantly looking for ways to give their children an edge, especially when it comes to developing strong mental abilities. Two popular methods, Abacus ...

The abacus predates the alphabet and the invention of glass, but its use can help modern day students increase their math proficiency and understanding. Ulrich Boser, the author of Learn Better, ...

FORT LEE — For 10 seconds, a series of 50 random three-digit numbers flashed on the screen. After another second, abacus master Jeonghee Lee announced she'd finished the mental addition, correctly ...

When I was a kid learning arithmetic the only visual aid I remember is flash cards. These were useful for memorizing single-digit addition and multiplication, but is memorization really the best ...