What's the News: Most of us need everyone to stop talking when we perform mental math. But for children trained to do math visually with a "mental abacus," verbal disturbances roll off their backs, ...
KARACHI: Children lined the stage, making fists like they were ready for a fight. With goofy smiles on their faces, they looked on to their parents in the audience as the teacher read a series of ...
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 ...
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