TY  - BOOK
AU  - Kilpatrick,Jeremy
AU  - Swafford,Jane
AU  - Findell,Bradford
ED  - National Research Council (U.S.).
TI  - Adding it up: helping children learn mathematics 
SN  - 0309069955 (hardcover)
AV  - QA135.5 .A32 2001
PY  - 2001///
CY  - Washington, DC
PB  - National Academy Press
KW  - Mathematics
KW  - Study and teaching (Elementary)
KW  - United States
KW  - Study and teaching (Middle school)
N1  - Includes bibliographical references and index
ER  -