TY - BOOK ED - National Research Council U.S.. TI - Measuring up: prototypes for mathematics assessment T2 - Perspectives on school mathematics SN - 0309048451 AV - QA135.5 .M457 1993 U1 - 372.7/076 20 PY - 1993/// CY - Washington, DC PB - National Academy Press KW - Mathematics KW - Study and teaching (Elementary) KW - United States KW - Evaluation KW - Local KW - Mathematical ability KW - Testing ER -