MathFactLab, founded by former Essex Westford elementary school teacher Mike Kenny, now has more than 1 million users all ...

Ever dreamt of solving math problems in your head with the speed of a calculator? Mental math might seem challenging, but it's a skill attainable through the right tools and techniques. The abacus, an ...

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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 ...

Sometimes, old fashioned things are better. I understand the arguments of those who prefer taking pen and paper notes to typing for example, or even people who prefer analog, vinyl recordings to ...

No calculators allowed here — students who receive vision services from the Iowa Educational Services for the Blind and Visually Impaired took part in Iowa's first Abacus Bee on Saturday. The Abacus ...