Mental Arithmetic is a form of calculation that does not involve the use of any physical or external gadgets / instruments such as a calculator or a computer. Calculations are solely done by the human mind using mental power. To achieve this, UCMAS utilizes an ancient Chinese tool called the Abacus. The children are taught to calculate using the abacus by moving the beads accordingly. This way, through continued practice, the children register the numbers as images of abacus beads in their right brain and eventually can perform mental mathematics at exceptional speeds, faster than electronic calculators.

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