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50 Years of ERIC
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Peer reviewed Peer reviewed
ERIC Number: EJ670436
Record Type: CIJE
Publication Date: 2001
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: ISSN-0025-5769
Kissing Pennies and Eating Pi.
Buhl, David A.
Mathematics Teacher, v94 n4 p254-56 Apr 2001
Describes a classroom inquiry into expressing the number pi as the limit of a sequence of different ratios using relationships among coins and the radius of an inscribed circle. (KHR)
Descriptors: Geometric Concepts, Inquiry, Limits (Mathematics), Mathematics Activities, Mathematics Instruction, Ratios (Mathematics), Secondary Education, Trigonometry
Publication Type: Guides - Classroom - Teacher; Journal Articles
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers: Pi (Mathematics)