DURING A WORKSHOP HELD TO IMPROVE PRIMARY AND INTERMEDIATE ARITHMETIC PROGRAMS FOR THE ACADEMICALLY GIFTED CHILDREN IN THE CINCINNATI SCHOOLS, THE TEACHER PARTICIPANTS DEVELOPED A SERIES OF IDEAS AND EXERCISES. THE MATERIAL IS INTENDED TO PROVIDE CHALLENGING ENRICHMENT EXPERIENCES FOR MANY CHILDREN AND TO BE OF HELP TO ADMINISTRATORS AND TEACHERS IN OTHER SCHOOL SYSTEMS. AMONG THE CONCEPTS EXPLORED AND PRESENTED ARE--NUMERATIONS, OPERATIONS, MEASUREMENTS, PATTERNS, INEQUALITIES, SETS, EXPLORATORY GEOMETRY, FRACTIONS, DECIMALS, AND PERCENT. SUGGESTED ACTIVITIES INTENDED TO REINFORCE LEARNING ACCOMPANY EACH CONCEPT DISCUSSED.