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Justifying geometrical generalizations in elementary school preservice teacher education

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dc.contributor.authorBrunheira, Lina
dc.contributor.authorPonte, João Pedro da
dc.date.accessioned2023-04-13T13:31:13Z
dc.date.available2023-04-13T13:31:13Z
dc.date.issued2019
dc.description.abstractThis paper reports research based on a K-6 prospective teacher education experiment carried out in a geometry course in the 2nd year of studies. The study aims to understand how participants justify generalizations about families of geometric figures in a context of exploratory teaching. Data were collected by audio and video records and from participants’ written productions. In the analysis, special attention was given to the kind of arguments, their degree of generality, and the aspects that contribute for the learning of the justification process. The results show that initially the participants had difficulties in understanding how to justify generalizations. They progressed by using valid arguments, but they struggled in fully providing arguments and reasoning beyond specific cases. An improvement of justifications was achieved by the careful design of tasks, the interaction in the classroom and by relating the process of justification to understanding why a statement is true.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationBrunheira, L. & Ponte, J. P. (2019). Justifying geometrical generalizations in elementary school preservice teacher education. In U. T. Jankvist, M. van den Heuvel-Panhuizen, & M. Veldhuis (Eds.), Proceedings of the Eleventh Congress of the European Society for Research in Mathematics Education (pp. 753-760). Utrecht, the Netherlands: Freudenthal Group & Freudenthal Institute, Utrecht University and ERME. https://hal.archives-ouvertes.fr/hal-02402127pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.21/15890
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relationESEXL/IPL-CIED/2016/A12pt_PT
dc.relation.publisherversionhttps://hal.science/hal-02402127pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectGeometrypt_PT
dc.subjectReasoningpt_PT
dc.subjectJustificationpt_PT
dc.subjectGeneralizationpt_PT
dc.subjectPreservice teachers educationpt_PT
dc.subjectESEXL/IPL-CIED/2016/A12pt_PT
dc.titleJustifying geometrical generalizations in elementary school preservice teacher educationpt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.citation.conferencePlaceUtrechtpt_PT
person.familyNameBrunheira
person.familyNameMENDES DA PONTE
person.givenNameLina
person.givenNameJOÃO PEDRO
person.identifier.ciencia-id6711-F603-EFEB
person.identifier.ciencia-id6D1A-43D8-25B4
person.identifier.orcid0000-0002-5027-1867
person.identifier.orcid0000-0001-6203-7616
rcaap.rightsopenAccesspt_PT
rcaap.typeconferenceObjectpt_PT
relation.isAuthorOfPublication7d7e8458-8b3f-41c4-ae1c-250488a53fd1
relation.isAuthorOfPublicationf39c1ab0-4acd-4ff5-bcdb-4217e49271f1
relation.isAuthorOfPublication.latestForDiscovery7d7e8458-8b3f-41c4-ae1c-250488a53fd1

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