TY - BOOK AU - Wright,Robert J. TI - Teaching number: advancing children's skills and strategies SN - 9781412921848 AV - QA135.6 .T43 2006 U1 - 372.7044 22 PY - 2006/// CY - London, Thousand Oaks, Calif. PB - P. Chapman Pub., SAGE Pblications KW - Arithmetic KW - Study and teaching (Elementary) KW - Activity programs KW - Numeracy N1 - include bibliograpghic index ER -