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Greg Tang

Greg Tang was tutoring math in his daughter's class when he noticed something interesting about the dominoes they were using. Each white dot had a pencil mark on it, which meant the children had been counting them one at a time. Mr. Tang taught them to look for patterns instead, and to add and subtract groups of dots in order to calculate the dominoes' value quickly. From there, he developed a new method of teaching arithmetic in a visual and spontaneous way. His method teaches both...See more