Reinventing fractions and division as they are used in algebra: the power of preformal productions

Autor:	Peck, Frederick, Matassa, Michael
Zdroj:	Educational Studies in Mathematics, 2016 Jun 01. 92(2), 245-278.
Databáze:	JSTOR Journals
Externí odkaz:	http://www.jstor.org/stable/24830659 Zobrazit plný text záznamu