Edma 0-6: CHILDHOOD MATHEMATICS EDUCATION (ISSN: 2254-8351). Journal managed by the Research Group “Mathematical Education” of the University of Valladolid. Edma 0-6 journal understands Mathematics Education as a shared challenge. For this reason, the journal shows, on the one hand, a multidisciplinary spirit, encouraging research conducted by researchers from different areas or integrating knowledge from different disciplines. On the other hand, a vision of community, understanding as necessary protagonists in the improvement of Mathematics Education to multiple agents, starting with the students of the Pre-Primary and Primary stages together with their teachers and also paying attention to the role of families, teacher educators and policy makers and stakeholders.