TY - CPAPER TI - FROM HALF OF A HALF TO A THIRD ON THE NUMBER LINE: INTERPRETING AND RESPONDING TO FRACTION THINKING AU - Tunc Pekkan, Zelha AU - Yilmaz, Beyda T2 - Proceedings of the International Group for the Psychology of Mathematics Education, Volume 1 PB - Psychology of Mathematics Education (PME) PY - 2026 SP - 1499 EP - 1506 SN - 2790-3648 KW - fractions KW - number line KW - teachers' noticing UR - https://www.igpme.org/publications/RR_PME49/rr/PME49_RR_580_Tunc-Pekkan_Z/ ER -