An abacus is a mechanical device that is used for performing rapid arithmetic calculations, such as addition, subtraction, multiplication, division, square root and cubic root. Also referred to as a counting frame. It was invented ancient time to perform arithmetic calculations, and today's is widely used in brain development programs. It comprises a rectangular frame that holds vertically organized rods on which beads move up and down.
Mental arithmetic is the invaluable math’s skill of doing calculations in
your head, without the use of any tools, such as an Abacus, calculator or
pen and paper, or fingers!
So how does it work? Operating the beads of the Abacus helps children
develop a photographic image of abacus in mind. Once students become adept
at performing on the Abacus, they are trained to visualize the Abacus and
‘picture’ the beads moving as they swiftly solve problems in their mind.
This is the main aim of SIMAS Abacus program.
Mental Arithmetic is the essential building block that replaces the physical
Abacus in the child’s mind. Using photographic image of a virtual Abacus
enables students to engage their right brain and solve questions much more
quickly than they could before. The figures that are to be calculated are
visualized as beads on the Abacus, as opposed to numerals.