Browsing Publikasjoner fra CRIStin by Author "Opsal, Hilde"
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The problematic equal sign
Opsal, Hilde; Topphol, Arne Kåre (Peer reviewed; Journal article, 2023)In this study, we investigated how 2,544 Norwegian students in the fifth, sixth, eighth and ninth grades of different schools answered a missing addend task that required a relational understanding of the equal sign. Only ...