Maria G. Bartolini BussiXu Hua Sun2026-01-192026-01-192018978-3-319-69623-32https://doi.org/10.1007/978-3-319-63555-2https://link.springer.com/openurl?genre=book&isbn=978-3-319-63555-2http://bibliovirtual.umar.mx:4000/handle/123456789/1539Libro electrónico.This twenty-third ICMI Study addresses for the first time mathematics teaching and learning in the primary school (and pre-school) setting, while also taking international perspectives, socio-cultural diversity and institutional constraints into account.en-USBuilding the Foundation: Whole Numbers in the Primary Grades The 23rd ICMI StudyBook