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AN INVESTIGATION OF LENGTH ESTIMATION SKILLS OF HIGH SCHOOL STUDENTS WITH MILD INTELLECTUAL DISABILITY

Research output: Contributions to collected editions/works › Article in conference proceedings › Research › peer-review

Authors

This study investigated the length estimation skills of high school students with mild intellectual disabilities (N = 39) by means of a paper-and-pencil assessment and interviews. The results showed that the students performed differently in different estimation situations involving size discrepancy and accessibility of to-be-estimated objects. The students tended to underestimate the lengths of daily objects. The uses of body parts, objects in convenience, mental rulers such as 1, 10 and 15 cm as reference points through unit iteration were the strategies reported by the interviewees.

Original languageEnglish
Title of host publicationPROCEEDINGS OF THE 47th CONFERENCE OF THE INTERNATIONAL GROUP FOR THE PSYCHOLOGY OF MATHEMATICS EDUCATION : VOLUME 3 Research Reports (H – O)
EditorsTanya Evans, Ofer Marmur, Jodie Hunter, Generosa Leach, Jyoti Jhagroo
Number of pages8
Volume3
PublisherInternational Group for the Psychology of Mathematics Education
Publication date2024
Pages73-80
ISBN (print)978-1-0670278-3
Publication statusPublished - 2024
Event47th Annual Conference of the International Group for the Psychology of Mathematics Education - PME 2024 - Auckland, New Zealand
Duration: 17.07.2024 → 21.07.2024
Conference number: 47
https://events.massey.ac.nz/pme-47-conference/

Bibliographical note

Publisher Copyright:
© 2024 left to authors All rights reserved.

Other publications by the same author(s)

„Es wird leichter, weil man das Gewicht wegreibt!“: Knackpunkte in der Entwicklung des Gewichtsverständnisses

Ruwisch, S., 06.2025, In: Grundschule Mathematik. 2025, 85, p. 8-11 4 p.

Research output: Journal contributions › Journal articles › Transfer

Exploring teachers‘ pedagogical content knowledge for teaching length estimation

Huang, H.-M. E., Hoth, J., Chang, W.-S., Heinze, A. & Ruwisch, S., 2025, Proceedings of the 48th Conference of the International Group for the Psychology of Mathematics Education: Research Reports - Volume 1 (A-J). Cornejo, C., Felmer, P., Gomez, D. M., Dartnell, P., Araya, P., Peri, A. & Randolph, V. (eds.). Santiago: Universidad de Chile, Vol. 1. p. 403-410 8 p. (Proceedings of the International Group for the Psychology of Mathematics Education).

Research output: Contributions to collected editions/works › Article in conference proceedings › Research › peer-review

Gewicht vergleichen: Unterschiedliche Vergleichserfahrungen als Grundlage des Messens und Schätzens von Gewichten

Ruwisch, S., 06.2025, In: Grundschule Mathematik. 2025, 85, p. 2-3 2 p.

Research output: Journal contributions › Journal articles › Transfer

Inklusiv und kooperativ die Welt der Zahlen erkunden

Ruwisch, S., 06.2025, Rechnen richtig lernen – flexibel, für alle und von Anfang an : fachdidaktische Hintergründe und Lernangebote für die Grundschule . Rechtsteiner, C. (ed.). 1 ed. Hannover: Klett/Kallmeyer, p. 175-192 18 p. ( Grundschule Mathematik ).

Research output: Contributions to collected editions/works › Contributions to collected editions/anthologies › Research

Junior High School Students’ Length Estimation Skills and Use of Strategies for Making Estimations

Huang, H. M. E., Chang, H. W., Hoth, J., Ruwisch, S. & Heinze, A., 2025, (Accepted/In press) In: International Journal of Science and Mathematics Education. 23 p.

Research output: Journal contributions › Journal articles › Research › peer-review

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