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A is for Abacus

abacus.gif (62979 bytes) The abacus was first used in China about 500 B.C. The abacus is used to do math such as addition, subtraction, multiplication, and division. The beads on the abacus are used for numbers. You can slide the beads up and down to show the numbers. The abacus is still used today by shopkeepers in China.

By Chelsea

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