TY  - CPAPER
TI  - DISCOVERING “WHYS” BEHIND THE CHANGE SIDE–CHANGE SIGN RULE IN ALGEBRA
AU  - Baccaglini-Frank, Anna
AU  - Nannini, Bernardo
AU  - Poli, Federica
T2  - Proceedings of the International Group for the Psychology of Mathematics Education, Volume 1
PB  - Psychology of Mathematics Education (PME)
PY  - 2026
SP  - 115
EP  - 122
SN  - 2790-3648
KW  - commognition
KW  - change side-change sign rule
KW  - compression
KW  - rote memorization
KW  - sense-making
UR  - https://www.igpme.org/publications/RR_PME49/rr/PME49_RR_208_Baccaglini-Frank_A/
ER  -