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isosceles trapezoid
black and white
The set consists of 20 bars of each quantity 1–10
Addition means "combining the quantities together"
This set includes 9 unit beads
Multiplication Bead Board Sensorial isosceles trapezoid30*30*1cm Wooden multiplication board with 100 red beads, 10 cards labelled 1 10 and a red disc in a wooden box. Using the Multiplication Bead Board is used for practice with the multiplication tables 1x1 though 10x10.
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