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Direct linkUlrich, Catherine – For the Learning of Mathematics, 2016
This is the second of a two-part article that presents a theory of unit construction and coordination that underlies radical constructivist empirical studies of student learning ranging from young students' counting strategies to high school students' algebraic reasoning. In Part I, I discussed the formation of arithmetical units and composite…
Descriptors: Young Children, High School Students, Arithmetic, Algebra
