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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

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Peer reviewed Peer reviewed
ERIC Number: EJ050809
Record Type: CIJE
Publication Date: 1972
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
Representational Modes as They Interact with Cognitive Development and Mathematical Concept Acquisition of the Retarded to Promote New Mathematical Learning
Armstrong, Jenny R.
Journal for Research in Mathematics Education, 3, 1, 43-50, Jan 72
Achievement of 20 Trainable Mentally Retarded and 67 Educable Mentally Retarded Students under manipulative and non-manipulative modes of mathematics instruction are compared. (MM)
Descriptors: Cognitive Development, Educational Research, Instruction, Manipulative Materials, Mathematics Education, Mental Retardation, Mild Mental Retardation, Moderate Mental Retardation, Research
Publication Type: N/A
Education Level: N/A
Audience: N/A
Language: N/A
Sponsor: N/A
Authoring Institution: N/A
Identifiers: N/A