TY - BOOK AU - Dolan,Dan AU - Williamson,Jim TI - Mathematics activities for elementary school teachers: a problem solving approach SN - 0805303928 AV - QA135.5 .D64 1990 U1 - 372.7/2 20 PY - 1990/// CY - Redwood City, Calif., PB - Benjamin/Cummings KW - Mathematics KW - Study and teaching (Elementary) KW - Problem solving N1 - Bureche teacher resource library ER -