Being Sloppy about Slope: The Effect of Changing the Scale

Autor:	Zaslavsky, Orit, Sela, Hagit, Leron, Uri
Zdroj:	Educational Studies in Mathematics, 2002 Jan 01. 49(1), 119-140.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/3483262 Zobrazit plný text záznamu