FLATEN, Linn. Second graders’ problem solving in a playful inquiry-based mathematics activity. NOMAD Nordic Studies in Mathematics Education, [S. l.], v. 30, n. 3, p. 25–47, 2025. DOI: 10.7146/nomad.v30i3.157446. Disponível em: https://tidsskrift.dk/NOMAD/article/view/157446. Acesso em: 5 dec. 2025.