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| | # Empson, S.B. 1999. "Equal sharing and shared meaning: The development of fraction concepts in a first-grade classroom". ''Cognition and instruction'', 17, 283–342. | | # Empson, S.B. 1999. "Equal sharing and shared meaning: The development of fraction concepts in a first-grade classroom". ''Cognition and instruction'', 17, 283–342. |
| | # Frydman, O. Bryant, P.E. 1988. "Sharing and the understanding of number equivalence by young children". ''Cognitive development'', 3, 323–339. | | # Frydman, O. Bryant, P.E. 1988. "Sharing and the understanding of number equivalence by young children". ''Cognitive development'', 3, 323–339. |
| − | Streefland, 1991 | + | # Streefland, L. 1991. ''Fractions in realistic mathematics education: A paradigm of developmental research''. Dordrecht, Netherlands: Kluwer. |
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| | [[Categoría:Herramientas]] | | [[Categoría:Herramientas]] |