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Peer reviewedBednarz, Nadine; Garnier, Catherine – Learning and Instruction, 1996
A teaching experiment involving 30 third graders investigated the transformation of their concepts of numbers. Observations of their notations and problem-solving procedures show development that progresses from a focus on states to a type of reasoning in which changes become quantifiable "objects of awareness." (SLD)
Descriptors: Addition, Child Development, Elementary School Students, Grade 3
