Sökning: id:"swepub:oai:DiVA.org:lnu-123470" >
Exploring spherical...
Exploring spherical units as perceptual clues in enumerating 3D arrays
-
- Alstad, Edgar (författare)
- Nord University, Norway
-
- Berre, Maren (författare)
- Nord University, Norway
-
- Nilsson, Per, 1967- (författare)
- Linnéuniversitetet,Institutionen för matematik (MA),matematikdidaktik
-
(creator_code:org_t)
- 2023
- 2023
- Engelska.
-
Ingår i: Mathematics Education Research Journal. - : Springer. - 1033-2170 .- 2211-050X.
- Relaterad länk:
-
https://doi.org/10.1...
-
visa fler...
-
https://urn.kb.se/re...
-
https://doi.org/10.1...
-
visa färre...
Abstract
Ämnesord
Stäng
- This study continues an investigation of how spherical units, compared to cubical units, can facilitate students’ units-locating and organizing units in composites. We analyze how Norwegian grade 3 students enumerate 3D arrays with cubical and spherical units. Our results show how spherical units can act as perceptual clues that facilitate cognitive processes, underlying students’ strategies in the enumeration of 3D arrays. In particular, the results show how spherical units facilitate the units-locating process, which, in turn, supports processes of organizing-by-composites and spatial structuring of the array, in the action of developing a proper iterative strategy such as layer-based thinking.
Ämnesord
- SAMHÄLLSVETENSKAP -- Utbildningsvetenskap -- Didaktik (hsv//swe)
- SOCIAL SCIENCES -- Educational Sciences -- Didactics (hsv//eng)
- NATURVETENSKAP -- Matematik (hsv//swe)
- NATURAL SCIENCES -- Mathematics (hsv//eng)
Nyckelord
- Perceptual clues; Enumerating units; 3D arrays; Spherical units
- Mathematical Education
- Matematikdidaktik
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
Hitta via bibliotek
Till lärosätets databas