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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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ERIC Number: EJ096939
Record Type: CIJE
Publication Date: 1974
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
The Area of a Parallelogram Is the Product of Its Sides
Lepowsky, William L.
Mathematics Teacher, 67, 5, 419-421, May 74
Descriptors: Elementary School Mathematics, Geometric Concepts, Instruction, Mathematical Formulas, Mathematics Education, Secondary School Mathematics, Teaching Methods
Publication Type: N/A
Education Level: N/A
Audience: N/A
Language: N/A
Sponsor: N/A
Authoring Institution: N/A
Identifiers: Area