Measurement and Fair-Sharing Models for Dividing Fractions

Autor:	GREGG, JEFF, GREGG, DIANA UNDERWOOD
Zdroj:	Mathematics Teaching in the Middle School, 2007 May 01. 12(9), 490-496.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/41182471 Zobrazit plný text záznamu