TY - CPAPER TI - WHY SOME STUDENTS STRUGGLE TO BRIDGE THROUGH 10 AU - Hopkins, Sarah AU - Bobis, Janette AU - Russo, James AU - Hubbard, Jane AU - Roche, Anne T2 - Proceedings of the International Group for the Psychology of Mathematics Education, Volume 1 PB - Psychology of Mathematics Education (PME) PY - 2026 SP - 203 EP - 210 SN - 2790-3648 KW - decomposition KW - addition KW - counting-based strategies KW - retrieval-based strategies UR - https://www.igpme.org/publications/RR_PME49/rr/PME49_RR_224_Bobis_J/ ER -