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ABACUS MATH

Published on Nov 18, 2015

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PRESENTATION OUTLINE

1.

ABACUS MATH

Photo by AhmadHashim
2.

WHO CREATED THE ABACUS

  • the person who created abacus math is unknown
  • there are two theories  that babylon and the chinese made the first abacus 
3.

when was the abacus made?

The first was abacus was made in c3000BC
4.

Why the abacus was made?

The abacus was made because for making calculations.
Photo by Saad Faruque
5.

how to use the abacus?

On the right each bead is 5 and and on the left each bead is 1 
Photo by Leo Reynolds
6.

WWW.mathsisfun.com/numbers/.abacus.html

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