Carol Novillis Larson, Barbara E. Armstrong
págs. 2-19
Children's concepts of average and representativeness
Susan Jo Russell, Jan Mokros
págs. 20-39
Teachers' interpretations of `CGI' after four years: Meanings and practices
Penelope L. Peterson, Nancy F. Knapp
págs. 40-65
Splitting, covariation, and their role in the development of exponental functions
Jere Confrey, Erick Smith
págs. 66-86
Henry Van Engen: An analysis of meaning in arithmetic
Leslie P. Steffe
págs. 87-88
Robert F. Wheeler
págs. 89-92
Alfinio Flores
págs. 92-95
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