Simple and Complex Mental Addition across Development.

Hamann, Mary Sue; Ashcraft, Mark H.

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Peer reviewed

ERIC Number: EJ324233

Record Type: CIJE

Publication Date: 1985

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Simple and Complex Mental Addition across Development.

Hamann, Mary Sue; Ashcraft, Mark H.

Journal of Experimental Child Psychology, v40 n1 p49-72 Aug 1985

First, fourth, seventh, and tenth graders were timed when solving simple and complex addition problems, then were presented similar problems in untimed interviews. Manipulation of confusion between addition and multiplication, where multiplication answers were given to addition problems (3 + 4 = 12) indicated an interrelatedness of these operations in memory only in tenth graders. (Author/BE)

Descriptors: Age Differences, Arithmetic, Cognitive Processes, Elementary School Students, Elementary Secondary Education, Grade 1, Grade 10, Grade 4, Grade 7, Memory, Mental Computation, Multiplication

Publication Type: Journal Articles; Reports - Research

Education Level: N/A

Audience: Researchers

Language: English

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