TY  - BOOK
AU  - Ryan, Julie (Julie T.)
AU  - Williams, Julian (Julian S.)
TI  - Children's mathematics 4-15 : learning from errors and misconceptions
SN  - 9780335220427
AV  - QA11.2.R93 2007 
PB  - McGraw-Hill/Open University Press
KW  - Mathematics - Study and teaching (Elementary)
KW  - Mathematics - Study and teaching (Secondary)
KW  - QA
N1  - Includes bibliographical references (p. [234]-247) and index
ER  -