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Teach how to subtract concrete representations of negative functions
This plastic model set includes 4 stages in the life cycle of a crocodile: egg
Letter 'b': 5
subtraction
Checker Board Beads (10 Sets, N Beads) imbucare-box Teach how to subtract concreteA nine compartment box with lid containing 10 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 N Beads are 8 mm acrylic, wired with brass. Box dimensions: 22. 2 cm x 14. 7 cm x 3. 8 cm. Recommended ages: 69 years.
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