TY - CPAPER TI - Upper Elementary Students’ Performance and Reasoning on Function-graph Tasks AU - Pittalis, Marios AU - Strachota, Susanne AU - Chimoni, Maria AU - López, Mathías T2 - Proceedings of the International Group for the Psychology of Mathematics Education, Volume 1 PB - Psychology of Mathematics Education (PME) PY - 2026 SP - 1179 EP - 1186 SN - 2790-3648 KW - function graphs KW - functional thinking KW - algebra UR - https://www.igpme.org/publications/RR_PME49/rr/pittalis-upper-elementary-students-performance-and-reasoning-on-functi/ ER -