Blar i Institutt for matematiske fag på forfatter "Valenta, Anita"
-
Constraints to a justification of commutativity of multiplication
Strømskag, Heidi; Valenta, Anita (Chapter, 2017)In this paper we investigate a pre-service teacher’s whole-class discussion at Grade 6, where she attempts to justify the general claim that multiplication is commutative in ℕ. Our analysis points at two conditions that ...