ERIC Number: ED471763
Record Type: Non-Journal
Publication Date: 2002
Reference Count: N/A
Developing Students' Understanding of Exponents and Logarithms.
In this paper, we describe instruction designed to teach students about exponents and logarithms and report a pilot study to test the effectiveness of this instruction. Based on the theoretical work of Dubinsky and Sfard, we postulate a set of mental constructions that a student could make to understand the concepts of exponents and logarithms. We then describe computer and paper-and-pencil exercises to induce students to make these constructions. We report a pilot study assessing the efficacy of these exercises. Students receiving our instruction outperformed students receiving traditional instruction across a variety of measures, including performing basic computations, recalling formulae, explaining why rules of exponents and logarithms are true, and answering conceptual questions. (Author)
Descriptors: Algebra, Concept Formation, Elementary Education, Innovation, Logarithms, Mathematics Instruction
ERIC/CSMEE Publications, 1929 Kenny Road, Columbus, OH 43210-1080. Tel: 800-276-0462 (Toll Free).
Publication Type: Reports - Research; Speeches/Meeting Papers
Education Level: N/A
Authoring Institution: N/A