How
To Use the Abacus
The top beads are multiples of five.
The bottoms are multiples of tens, like in the
pictures shown below.
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If you put one of the ones up it will be one
like in the picture shown below.
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If you put one five and four of the ones up it
will be nine, like in the picture shown below.
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If you wanted to have the number 131
You
would put one of the hundreds up
and three of the tens up and one of the ones
up to make 131, like in the picture below.
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