Small digital bars - Nienhuis AMI

These rods are designed for individual work at a table. The material consists of 2 sets of 10 wooden rods divided into units by the alternation of red and blue colors. The small number rods are supplied in a wooden box for storage. With this material, children can conclude that the sum of the numbers up to the nth number, for all n, is always (n2+n)/2.

Reference: 025400

Class area: Mathematics

Age: 6-12 years old

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