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arithmetic functions
If you would like a specific piece only
and comparing quantities
the quantity and symbols of the decimal system are combined and represented by each stamp
Checker Board Beads (20 Sets, W Beads) - Set B practical-life arithmetic functionsA nine compartment box with lid containing 20 of each coloured bead bar 1 through 9. These beads, along with the number tiles, are components necessary for doing the Checker Board activities. Features W Beads are 8 mm acrylic, wired with brass. Box dimensions: 23. 5 cm x 17. 5 cm x 4 cm. Recommended ages: 69 years.
