TY  - BOOK
AU  - Wright,Robert J.
TI  - Teaching number : advancing children's skills and strategies 
SN  - 9781412921855 
PY  - 2006///
CY  - London 
PB  - P. Chapman Pub. , SAGE Pblications
KW  - Arithmetic
KW  - Study and teaching (Elementary)
KW  - Activity programs
KW  - Numeracy
N1  - Includes bibliographical references  and index
ER  -