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Olson, A. T.; And Others – Educational Studies in Mathematics, 1987
Provided is an analysis of Turtle Geometry using van Hiele levels of development and understanding. The author also relates a language use framework, suggested by the work of Fry (1982), to the language activities of Turtle Geometry. Research supporting the analysis is discussed. (RH)
Descriptors: Elementary School Mathematics, Geometric Concepts, Geometry, Language Usage