HowMany : calcul mental imagé

Purpose :
Progress in mental arithmetic whatever your level

Original principle:
Drawings, made up of objects and symbols borrowed from our daily lives, are associated with a calculation to be made as quickly as possible.

The main advantages:
- Innovative: no figures but “drawings to calculate”
- Intuitive: no rules of the game, immediate understanding
- Captivating: attractive power of the image.
- Educational: pedagogical power of the image.
- Relevant: here, everything is learned through images and through play.