International Group for the Psychology of Mathematics Education (PME)

Proceedings of the International Group for the Psychology of Mathematics Education · Volume 1

What Is 3+50%? Various Students' Meaning About %

Jerome Proulx

King's College London

49th Annual Conference of the International Group for the Psychology of Mathematics Education, PME 2026Helsinki27 July 2026 - 1 August 2026pp. 1187–1194ISSN 2790-36482026Scopus conference code 336559
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Abstract

This Research Report presents preliminary findings on a study about students’ ways of making-sense of %. Grade-8 students’ strategies for solving one arithmetic task is looked into: the 3+50% task. The initial analyses of students’ strategies for ‘3+50%’ represent a first step in better understanding varieties of conceptions of % that students engage with, as well as the (implicit or explicit) roles they give to the %-referent.

Keywords

PercentageConceptionsReferentAbsoluteRelative

Recommended citation

Proulx, J. (2026). What Is 3+50%? Various Students' Meaning About %. In Krzywacki H., Hähkiöniemi M., Haataja E., Hannula M.S., Hästö P. (Eds.), Proceedings of the International Group for the Psychology of Mathematics Education, Volume 1 (pp. 1187–1194). Psychology of Mathematics Education (PME). ISSN 2790-3648.

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