An analysis of models used in Australia, Canada, Europe, and the United States to provide an understanding of addition and multiplication over the natural numbers
Published: 1969
Language: eng
Format: Microform
Number of pages: 520
Subjects: Addition; Arithmetic -- Study and teaching; Multiplication; Numbers, Natural
Notes: Thesis (Ph.D.) - University of Illinois, 1969

Bibliography: leaves 489-519

Microfilm. Ann Arbor, Mich. : University Microfilms, [1969]. -- 1 reel ; 35 mm.