TY - CPAPER TI - ASSESSING MATHEMATICAL MODELLING COMPETENCIES WITH DIGITAL PORTFOLIOS AU - Beckschulte, Catharina AU - Quarder, Jascha AU - Rosendahl, Annika AU - Schukajlow, Stanislaw T2 - Proceedings of the International Group for the Psychology of Mathematics Education, Volume 1 PB - Psychology of Mathematics Education (PME) PY - 2026 SP - 155 EP - 162 SN - 2790-3648 KW - mathematical modelling KW - modelling competencies KW - digital portfolios KW - assessment UR - https://www.igpme.org/publications/RR_PME49/rr/PME49_RR_421_Beckschulte_C/ ER -