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Robusta och mjuka konstruktioner i dynamisk geometri
Malmö University, Faculty of Education and Society (LS), Department of Natural Science, Mathematics and Society (NMS).ORCID iD: 0000-0001-5609-0752
2019 (Swedish)In: Nämnaren : tidskrift för matematikundervisning, ISSN 0348-2723, Vol. 46, no 2, p. 32-34Article in journal (Other (popular science, discussion, etc.)) Published
Abstract [sv]

Det händer att elever tillämpar exempelvis Pythagoras sats utan att ha undersökt förutsättningarna, nämligen om triangeln är vinkelrät. Sådana misstag kan motverkas genom att växla mellan robusta och mjuka konstruktioner i geometri. Didaktiska teorier bakom detta är variationsteori och Chevallards praxeologi.
Place, publisher, year, edition, pages
Göteborg: Nationellt centrum för matematikutbildning (NCM), 2019. Vol. 46, no 2, p. 32-34
Keywords [sv]
Dynamisk geometri, matematikundervisning, praxeologi, variationsteori
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Didactics
Research subject
Mathematics education
Identifiers
URN: urn:nbn:se:mau:diva-74774OAI: oai:DiVA.org:mau-74774DiVA, id: diva2:1945142
Available from: 2025-03-18 Created: 2025-03-18 Last updated: 2025-03-21Bibliographically approved

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fulltext(397 kB)24 downloads
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cd2caf604a0b62fbc3a762c8c3fae41b1a7a606cec361608ffedb446f274ccf8dcac62c948e6484a86f4962b2b12a9e3e16499c6b8f0696bfb7ff4d688f865c6
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Petersson, Jöran
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Nämnaren : tidskrift för matematikundervisning
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CiteExportLink to record
Permanent link

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