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Monday, May 12, 2014

Making an Abacus




Grade: 6

Objective: To enhance our studies of both mathematics and Ancient China through designing and constructing our own abacus

Today, K. and A. made their own abacus using found materials.

They....
1: Drilled 10 holes in a cardboard box
2-Cut a strip of cardboard to put through the middle, then drilled 10 holes through it as well
3-Strung 5 beads below the cardboard and 2 above, knotting the ends to hold it in place
5-Continued stringing and knotting until each of the ten holes had a strand of seven beads running through it
6-Bordered the edges with orange card-stock

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