Design and implementation of cognitive high-demand tasks based on the look and say sequence. Advances of Research in Mathematics Education, [S. l.], n. 20, p. 161–183, 2021. DOI: 10.35763/aiem20.3998. Disponível em: https://aiem.es/aiem/article/view/v20-manero-munoz-oller. Acesso em: 20 may. 2026.