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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: EJ140008
Record Type: CIJE
Publication Date: 1976
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
Parallax: A Strategy for Measurement
Kullman, David E.
National Council of Teachers of Mathematics Yearbook, 38, 138-146, 76
The subject of parallax can motivate learning related to measurement of lengths and angles as well as provide an introduction to trigonometric concepts. (SD)
Descriptors: Astronomy, Geometric Concepts, Geometry, Instruction, Learning Activities, Mathematics Education, Measurement, Secondary Education, Secondary School Mathematics, Trigonometry
Publication Type: N/A
Education Level: N/A
Audience: Practitioners
Language: N/A
Sponsor: N/A
Authoring Institution: N/A
Identifiers: N/A