Begrunnelse og resonnement i divisjon av brøk : En case studie av hvordan åttende trinns elever begrunner og resonnerer når de løser divisjon av brøk…

2019

Masteroppgave matematikkdidaktikk MA502 – Universitetet i Agder 2019 Fractionsarethe most complex numbers students meet in Elementaryschool and a complex concept (Bulgar, 2002).In addition, division of fraction is considered themost mechanical andleast understood algorithm(Tirosh, 2000).In this studyI have thereforeconsidered how students justify and reason in tasks with division of fractions. The study was based on these research questions: 1)How do eight-degreestudents justify and reason in tasks with division of fractions?a)Which representations areused and how aretheyused in the students ́justification and reasoning? b)Which errors and misconceptionsoccur in students ́justification and …