## WHAT IS THE ABACUS ?

*Abacus is a simple tool or a hardware used for performing rapid arithmetic calculations. Calculations based on abacus was invented at ancient times and now widely used a brain development program. It consists of a rectangular frame holding a number of vertically arranged rods, on which beads slides up and down.*

*One of the most popular calculating method from ancient times.**Children do fast calculations in mind by visualizing Abacus bead movements.**Researches proves that Abacus learners uses both sides of the brain- left hemisphere & right hemisphere.**Highly effective in improving the concentration level of children.*

*What is Mental Arithmetic ?*

*‘Mental Arithmetic’ is a term used in Abacus for the calculations done in mind.**Even big numbers can be calculated in mind, that too within a minutes.**‘Mental arithmetic’ improves student’s imagination skills**Effective in cracking competitive time based tests.**Mind calculation enhances the concentration level of student.*

*Parts of Abacus*

- The boundary on all 4 sides of the abacus is called the Frame.
- The abacus which we are using has 17 rods. Each rod has 5 beads.
- The abacus is divided into the upper and the lower part by a horizontal bar called the Beam.
- The beads in the lower part are the Lower Beads or the Earth Beads.
- The beads in the upper part are the Upper Beads or the Heaven Beads.

### What are the advantages of Abacus ?

- Mental arithmetic Calculations
- Improves Concentration skills
- Improves imagination skills

- Sharpen memory power
- Boost confidence
- Personality Development

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