ASKEW, M. Big Ideas in primary mathematics: Issues and directions. Perspectives in Education, [S. l.], v. 31, n. 3, p. 5–18, 2013. DOI: 10.38140/pie.v31i3.1814. Disponível em: https://journals.ufs.ac.za/index.php/pie/article/view/1814. Acesso em: 2 may. 2024.