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8 cm respectively
evenness of pressure
Wooden cabinet with 5 animal puzzles: fish
then places the chip in the correct position on the ruled board
Recommended ages: 3–9 years
Subtraction Snake Game (N Beads) cabinets 8 cm respectivelyA wooden tray containing 4 boxes with lids: 5 sets of 1 9 coloured bead stairs 5 sets of 1 9 grey bead stairs 1 9 black and white bead stair 23 golden bead bars of ten The purpose of this material is to: Introduce the child to the unit combination of subtraction. Teach how to subtract concrete representations of negative functions. Prepare for algebra (equal quantities of opposite sign eliminate each other). Features N Beads are 8 mm acrylic, wired
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