Serpent of negative numbers: Individual glass beads - Nienhuis AMI

This material is used to introduce the concept of negative numbers. The material consists of a display tray containing 6 boxes of bead material, 1 box containing 5 sets of colored bead stairs, 1 box containing 5 sets of negative bead stairs, 1 box containing 1 black bead stair and white, 1 box containing 23 golden bars of 10, 1 box containing 1 staircase of red and white pearls and 1 box containing 23 gray bars of 10.

Age: 6-12 years old

Class area: Mathematics

Reference: 0292G0

For all Nienhuis products, the delivery takes longer (on average 1 to 2 weeks) and depends on the stocks at the manufacturer.