BERECZKI, Ildikó; CSÍKOS, Csaba. Should we draw, or should we work with numbers? Investigating proportional reasoning among 5th to 7th graders. Teaching Mathematics and Computer Science, [S. l.], v. 24, n. 1, p. 1–28, 2026. DOI: 10.5485/TMCS.2026.15657. Disponível em: https://ojs.lib.unideb.hu/tmcs/article/view/15657. Acesso em: 4 jun. 2026.