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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: EJ656398
Record Type: CIJE
Publication Date: 2002
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: ISSN-0013-1954
The Balance Model: Hindrance or Support for the Solving of Linear Equations with One Unknown.
Vlassis, Joelle
Educational Studies in Mathematics, v49 n3 p341-59 2002
Examines the balance model and identifies the issues that divide scientists. Describes learning situations that were the subject of the empirical study which involved 40 students in two 8th-grade classes. Shows the presence of negative numbers gave rise to many errors. Discusses the relevance of the balance model and analyzes the arguments put forward by researchers who either defend or reject its use. (Author/KHR)
Descriptors: Algebra, Concept Formation, Equations (Mathematics), Instructional Design, Mathematics Education, Middle Schools, Problem Solving
Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers: N/A