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ERIC Number: EJ907297
Record Type: Journal
Publication Date: 2010-Dec
Pages: 6
Abstractor: ERIC
Reference Count: 0
ISSN: ISSN-0025-5769
Pathological Examples with Technology
Lassak, Marshall
Mathematics Teacher, v104 n5 p350-355 Dec 2010
When teaching mathematics with technology, the author does so in the belief that technology enables students to experience mathematical ideas in a way that might not otherwise be possible. However, teachers must be careful: Sometimes technology does not produce results in the way that they or their students expect. Rather than allowing unexpected results to be a barrier to teaching mathematics with technology, the author tries to capitalize on the mathematical ideas elicited in such a situation. Of these unexpected responses, the author labels one category "pathological examples." In this discussion of pathological examples, the author builds on work similar to that presented in Lee (2005) and Lesser (2005/2006, 2006/2007). These authors focused on what they called "technology pitfalls." Each example they provided illustrated how a student's misinterpretation or lack of awareness of a calculator procedure led to an error in understanding calculator output. (Contains 6 figures.)
National Council of Teachers of Mathematics. 1906 Association Drive, Reston, VA 20191-1502. Tel: 800-235-7566; Tel: 703-620-3702; Fax: 703-476-2970; e-mail:; Web site:
Publication Type: Journal Articles; Reports - Descriptive
Education Level: High Schools
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A