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ERIC Number: EJ126832
Record Type: Journal
Publication Date: 1975
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Abstractor: N/A
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Smith and Jones: Children's Thinking about some Problems Involving Displacement Along the Number-Line
Galbraith, Mary J.
International Journal of Mathematical Education in Science and Technology, 6, 3, 287-302, Aug 75
Hypothesizing that subtraction of (negative) integers requires formal operations, the author describes a study of children's understanding of related concepts. The study involves the use of apparatus embodying properties of the number line. (SD)
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