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Original TitleThe use of variables in a patterning activity: counting dots
Parallel titleUporaba spremenljivk pri zaporedjih: stetje pik
Authors ;
SourceCEPS Journal 8 (2018) 2, S. 55-70
Document
Keywords (German)Mathematikunterricht; Algebra; Gymnasium; Schüler; Sekundarstufe I; Bildungsstandards; Videoaufzeichnung; Unterrichtsbeobachtung; Variable; Konstante; Gleichung <Math>; Unterrichtseinheit; Empirische Untersuchung; Polen
sub-disciplineEmpirical Educational Research
Teaching Didactics/Teaching Maths and Sciences
Document typeArticle (journal)
ISSN2232-2647
LanguageEnglish
Year of creation
review statusPeer-Reviewed
Abstract (English):The present paper examines a patterning activity that was organised within a teaching experiment in order to analyse the different uses of variables by secondary school students. The activity presented in the paper can be categorised as a pictorial/geometric linear pattern. We adopted a student-oriented perspective for our analysis, in order to grasp how students perceive their own generalising actions. The analysis of our data led us to two broad categories for variable use, according to whether the variable is viewed as a generalised number or not. Our results also show that students sometimes treat the variable as closely linked to a referred object, as a superfluous entity or as a constant. Finally, the notion of equivalence, which is an important step towards understanding variables, proved difficult for our students to grasp. (DIPF/Orig.)
other articles of this journalCEPS Journal Jahr: 2018
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Checksumschecksum comparison as proof of integrity
Date of publication09.07.2018
Suggested CitationMaj-Tatsis, Bozena; Tatsis, Konstantinos: The use of variables in a patterning activity: counting dots - In: CEPS Journal 8 (2018) 2, S. 55-70 - URN: urn:nbn:de:0111-pedocs-156685
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