UCMAS (Universal Concept of Mental Arithmetic system) recently opened a new training center in Bellevue. UCMAS is a unique and scientifically proven brain development after-school program that trains ...
AMMAN — HRH Princess Sumaya bint El Hassan, President of the Royal Scientific Society (RSS), patronised the opening of the 14th UCMAS National Abacus and Mental Arithmetic Competition, held at the ...
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