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Direct linkDepaepe, Fien; Van Roy, Patrick; Torbeyns, Joke; Kleickmann, Thilo; Van Dooren, Wim; Verschaffel, Lieven – Educational Studies in Mathematics, 2018
The transition from natural to rational numbers is difficult for most elementary school children. A major cause for these difficulties is assumed to be the "conceptual change" they need to undergo in order to see that several natural number properties do not apply to rational numbers. To appropriately handle pupils' difficulties,…
Descriptors: Preservice Teachers, Pedagogical Content Knowledge, Numbers, Experimental Groups
