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Minus är inte bara att ta bort: Subtraktion i åk 3
Linnaeus University, Faculty of Health, Social Work and Behavioural Sciences, School of Education, Psychology and Sport Science.
2012 (Swedish)Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesisAlternative title
Minus is not only to take away : Subtraction in the 3rd grade (English)
Abstract [sv]

Syftet med denna studie var att undersöka elevers användning av lösningsstrategier i subtraktion samt lärares och läromedlens framställning av dessa, för att kunna komma fram till hur en framgångsrik undervisning i subtraktion, med fokus på lösningsstrategier, kan se ut. Undersökningen genomfördes i tre klasser i åk 3. Metoder i studien var elevenkät, intervju med lärare och läromedelsgranskning. Data bearbetades med hjälp av en egenkonstruerad begreppsmodell utifrån olika lösningsstrategier. Resultatet visar på en större variation av lösningsstrategier i undervisningen än i elevernas uträkningar. Eleverna använder sig oftast av enbart en av lösningsstrategierna, så kallad ”talsortsvis beräkning”. Strategin leder till många fel i elevernas uträkningar.

Abstract [en]

The purpose of this study was to investigate how pupils use solution strategies for subtraction, and how those are presented by teachers and textbooks in order to find out how successful teaching in subtraction, with focus on solution strategies, might look. The study was carried out on three groups in the 3rd grade. The methods of this study consisted of a pupil survey, interviews with teachers and a review of textbooks. The data were processed using a self-constructed conceptual model based on different solution strategies. The results indicate a larger variation of solution strategies in the teaching than in the pupils´ calculations. The pupils typically use only one of the solution strategies, a so-called "number-splitting calculation". This strategy leads to many errors in the pupils' calculations.

Place, publisher, year, edition, pages
2012. , 35 p.
Keyword [en]
mathematics, subtraction, solutions strategies, successful teaching
Keyword [sv]
matematik, subtraktion, lösningsstrategier, framgångsrik undervisning
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:lnu:diva-20067OAI: oai:DiVA.org:lnu-20067DiVA: diva2:534687
Subject / course
Educational Science
Educational program
Lärarprogrammet, inriktning mot verksamhet i grundskolans tidigare år
Uppsok
Physics, Chemistry, Mathematics
Supervisors
Examiners
Available from: 2012-06-20 Created: 2012-06-18 Last updated: 2012-06-20Bibliographically approved

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
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Language
  • de-DE
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  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf