TY  - BOOK
AU  - Ferrie, Lindsey
AU  - Fox, Sue
AU  - Wrathmell, Reg
AU  - Mooney, Claire
AU  - Hansen, Alice
TI  - Primary Mathematics: knowledge and understanding. (4th ed.)
SN  - 9781844452767
AV  - QA 135.5 Pri 
PY  - 2009///
CY  - Exeter
PB  - Learning Matters Ltd
KW  - MATHEMATICS--STUDY AND TEACHING (ELEMENTARY)--GREAT BRITAIN
N1  - Includes references
ER  -