Following Pacheco's formula, called “MC² - change enhanced by contamination and context”, the pupils must grab hold of the reality of the place where they live and seek solutions for the issues that they confront:
Seguint la fórmula de Pacheco, anomenada "MC² - mudança potencializada por contágio e contexto” (MC² - canvi potenciat per contagi i context), els infants han d'apropiar-se de la realitat del lloc on viuen i buscar respostes per a les qüestions problemàtiques: