TY - CPAPER TI - SECONDARY TEACHERS’ INTERPRETATIONS OF STUDENTS’ GEOMETRIC ERRORS LINKED TO SPATIAL REASONING AU - Cibien, Maria Chiara T2 - Proceedings of the International Group for the Psychology of Mathematics Education, Volume 1 PB - Psychology of Mathematics Education (PME) PY - 2026 SP - 283 EP - 290 SN - 2790-3648 KW - Spatial reasoning KW - teachers' professional development KW - students' mathematical errors UR - https://www.igpme.org/publications/RR_PME49/rr/PME49_RR_452_Cibien_M/ ER -