TY - BOOK AU - Tipps,Steven AU - Johnson,Art AU - Kennedy,Leonard M. TI - Guiding children's learning of mathematics SN - 9780495810971 AV - QA135 PY - 2011/// CY - Belmont, California PB - Wadsworth KW - Mathematics KW - Study and teaching (Elementary) KW - United States N1 - 2; 2 ER -