Adding it up :
Adding it up : helping children learn mathematics /
Mathematics Learning Study Committee, Center for Education, Division of Behavioral and Social Sciences and Education, National Research Council ; Jeremy Kilpatrick, Jane Swafford, and Bradford Findell, editors.
- Washington, DC : National Academy Press, c2001.
- xvii, 454 p. : ill. ; 27 cm.
Includes bibliographical references and index.
0309069955 (hardcover)
2001001734
Mathematics--Study and teaching (Elementary)--United States.
Mathematics--Study and teaching (Middle school)--United States.
QA135.5 / .A32 2001
Includes bibliographical references and index.
0309069955 (hardcover)
2001001734
Mathematics--Study and teaching (Elementary)--United States.
Mathematics--Study and teaching (Middle school)--United States.
QA135.5 / .A32 2001