WHAT IS IT? It is a helpful compensatory teaching instrument. It is made of three plastified discs placed one on top of the other that rotate during the play/work.
WHAT IS IT FOR?
It is useful to:
memorise the times tables in a stimulating and manipulating way.
consult a single result.
WHO CAN USE IT?
Children.
Juniors with dyslexia who have difficulties in calculations.
