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 ...
UXBRIDGE — The age-old abacus method of math training has proven to be a great tool for a host of Uxbridge area students. So much so that nine students from Abacus Brain Study in Uxbridge found ...
In Photo: Over 300 future business leaders competed and showed their skills in abacus and mental calculation in the Third CMA Mental Arithmetic National Competition—the Philippines’s biggest mental ...
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