How to evaluate progress in problem solving /

Bibliographic Details
Main Author:	Charles, Randall (Randall I.)
Other Authors:	Lester, Frank K., O'Daffer, Phares G.
Format:	Book
Language:	English
Published:	Reston, Va. : National Council of Teachers of Mathematics, [1987]
Series:	NCTM how to-- series.
Subjects:	Problem solving > Study and teaching. Mathematical ability > Testing.