The theme of the 33rd Conference of PME is
“In search for Theories in Mathematics Education”

The Scientific Program includes the following activities:

Plenary sessions
• Plenary addresses
• Plenary Panel

Personal presentations
• Research Forums (RF)
• Research Reports (RR)
• Short Oral Communications (SO)
• Poster Presentations (PP)

Group activities
• Discussion Groups (DG)
• Working Sessions (WS)

This year the IGPME continues the:
• National Presentation (NP)

The official language of the conference is English. Papers for the proceedings must be written and presented in English. However, colleagues, including the presenters, are welcome to contribute to discussions, following a Research Report or a Short Oral Communication in their native language provided that translation is possible by someone present in the session.