Smith and Jones: Children's Thinking about some Problems Involving Displacement Along the Number-Line.

Galbraith, Mary J.

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Peer reviewed

ERIC Number: EJ126832

Record Type: Journal

Publication Date: 1975

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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)

Descriptors: Elementary Secondary Education, Instruction, Integers, Learning Theories, Mathematics Education, Number Concepts, Number Systems, Research, Secondary School Mathematics, Subtraction

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