TY  - BOOK
AU  - Mooney, Claire
AU  - Ferrie, Lindsey
AU  - Fox, Sue
AU  - Hansen, Alice
AU  - Wrathmell, Reg
TI  - Primary mathematics: knowledge and understanding 
SN  - 9781844452767
AV  - QA 135.6  .P75 2009
PY  - 2009///
CY  - Exeter
PB  - Learning Matters
KW  - Mathematics
KW  - Study and teaching (Elementary)
KW  - Great Britain
N1  - Includes bibliographical references (p. 151-152) and index; EDU
ER  -