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 ...

You probably haven’t had to do longhand math in years, but you do mental math every day. Or maybe you google math problems ten times a day, because you’ve forgotten how to do any math beyond your ...

New Delhi: Delhi govt launched a training programme aimed at enhancing teaching of mathematics by focusing on mental math techniques. The initiative targets heads of schools under Directorate of ...