Will learning the new method Math ABN and play at the same time? It is possible. We have adapted the successful Editorial notebooks Chaise (lacalesa.es) to make this possible.

Have you heard of open calculation method based on numbers (ABN)? It is being practiced in more than two hundred schools in Spain and outside Spain. Its success is because get spectacular results: the children reach an amazing calculation, more than double their problem solving ability, are at a level of knowledge far above what is believed belonged to his age, and if all this were not enough, the children get excited about learning math. There is no fantasy. Its application in over a thousand groups and learning for thousands and thousands of students and some students become incontestable arguments.

Through this entertaining game, students can advance the study and practice of this method while defeating the evil Dr. Numereau. This is learning by playing!