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The Chinese abacus.
An Abacus
it is a counting frame with beads. go here to see it http://www.kidestore.co.uk/images/images_big/melissa_and_doug_abacus.jpg
Abacus, also known as a counting frame, is used (mainly) in Asia. Beads on wires, wooden dowels, etc, are representative of numbers.
An abacus is a mechanical device for performing arithmetical calculations. Abaci are usually a wooden frame with beads used to represent numbers.
It is an abacus.
An abacus consists of a rectangular frame divided into two by a horizontal bar. It has a number of vertical wires running across both sections with two "beads" in the upper section and five in the lower..
A counting frame is the common name for an abacus. An abacus is a centuries old counting and calculating tool that is still widely used by merchants in Asia and Africa.
an abacus
An Abacus is a device to help do math.It is basically a frame with rods and beads in the rods.One rod will represent ones,the next tens, then hundreds,then thousands.You move the beads up when you want to add and down when you want to subtract.
Abacus- a frame that holds rods with beads attached and was used for arithmetic
The number 9 is the maximum number of beads on an abacus because it is the last number in the ones place before the tens place is reached.. The abacus is a tool that was used for arithmetic in ancient times. It is composed of a frame with a series of rods or wires on which beads are strung. The beads are used to represent numbers.