Problem solving in mathematics, grades 3-6 : powerful strategies to deepen understanding /
Alfred S. Posamentier, Stephen Krulik.
- Thousand Oaks, Calif. : Corwin, c2009.
- xii, 134 p. : ill. ; 26 cm.
Includes bibliographical references (p. 134).
9781412960663 1412960665 9781412960670 1412960673
2008-049669
Problem solving--Study and teaching (Elementary) Mathematics--Study and teaching (Elementary)