Text ( visual ) : unmediated Problem-solving strategies for efficient and elegant solutions, grades 6-12 : a resource for the mathematics teacher / Alfred S. Posamentier, Stephen Krulik ; afterword by Herbert A. Hauptman. -- 2nd ed. -- : pbk. ; : cloth. -- Thousand Oaks, Calif. : Corwin Press , c2008. -- xv, 260 p. : ill. ; 26 cm. -- Includes bibliographical references (p. 249-260) ; HTTP:URL=http://www.loc.gov/catdir/enhancements/fy0834/2007040296-b.html Information=Contributor biographical information ; HTTP:URL=http://www.loc.gov/catdir/enhancements/fy0834/2007040296-d.html Information=Publisher description ; HTTP:URL=http://www.loc.gov/catdir/enhancements/fy0834/2007040296-t.html Information=Table of contents only. -- ISBN 9781412959704 ; 9781412959698 ; (BA89789123) ; https://ci.nii.ac.jp/ncid/BA89789123 Author Heading(s): Posamentier, Alfred S. ; Krulik, Stephen ; Hauptman, Herbert Aaron. -- Classification(s): LCC : QA63 ; DC22 : 510.71/2. -- Subject Heading(s): LCSH : Problem solving