The correct resources may make learning mathematics engaging and dynamic, and the abacus is one such resource that aids kids in developing their computation abilities. The ancient counting device ...
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 ...
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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