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Rachlin, Sidney L.	1

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Graphical Composition of Functions.

Konvisser, Marc – Focus on Learning Problems in Mathematics, 1989

Discusses a technique for graphically composing functions. Describes three-step composition procedures in two- and three-dimensional rectangular coordinate systems. Provides three examples. (YP)

Descriptors: Algebra, Functions (Mathematics), Mathematical Concepts, Mathematical Enrichment

The Teaching Experiment: A Model for the Marriage of Teachers and Researchers.

Rachlin, Sidney L.; And Others – Focus on Learning Problems in Mathematics, 1987

Describes a research methodology known as the teaching experiment and details an example of a teaching experiment aimed at the development of a process-oriented algebra curriculum. Addresses other possible variations of the teaching experiment, emphasizing the cooperation of teachers and researchers. (TW)

Descriptors: Algebra, Curriculum Development, Diagnostic Teaching, Experimenter Characteristics