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The Ratio Table: a tool for understanding ratios
written by Philip Southey
Arnold Arons described an inadequate understanding of ratios as "one of the most serious impediments to the study of science" [1]. Yet ample math and physics education research demonstrates that STEM university students struggle with ratios. For example, students are familiar with the notion of "meters per second", but many do not attribute meaning to the notion of "seconds per meter" [2]. This manuscript presents a simple technique dubbed "The Ratio Table" for helping students work algebraically with ratios, and make physical sense of units involving "per". The technique was implemented and assessed through repeated pre- and post administration of a set of written questions. Results suggest that this relatively small intervention can boost student performance
Physics Education Research Conference 2019
Part of the PER Conference series
Provo, UT: July 24-25, 2019
Pages 567-572
Subjects Levels Resource Types
Education Foundations
- Student Characteristics
= Skills
Education Practices
- Instructional Material Design
= Activity
- Pedagogy
= Heuristics
Mathematical Tools
- Algebra
- Problem-Solving Techniques
- Lower Undergraduate
- Reference Material
= Research study
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Mirror:
https://doi.org/10.1119/perc.2019…
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Free access
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This material is released under a Creative Commons Attribution 3.0 license. Further distribution of this work must maintain attribution to the published article's author(s), title, proceedings citation, and DOI.
Rights Holder:
American Association of Physics Teachers
DOI:
10.1119/perc.2019.pr.Southey
Keyword:
PERC 2019
Record Creator:
Metadata instance created January 7, 2020 by Lyle Barbato
Record Updated:
January 11, 2020 by Bruce Mason
Last Update
when Cataloged:
January 8, 2020
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AIP Format
P. Southey, presented at the Physics Education Research Conference 2019, Provo, UT, 2019, WWW Document, (https://www.compadre.org/Repository/document/ServeFile.cfm?ID=15306&DocID=5218).
AJP/PRST-PER
P. Southey, The Ratio Table: a tool for understanding ratios, presented at the Physics Education Research Conference 2019, Provo, UT, 2019, <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=15306&DocID=5218>.
APA Format
Southey, P. (2019, July 24-25). The Ratio Table: a tool for understanding ratios. Paper presented at Physics Education Research Conference 2019, Provo, UT. Retrieved October 17, 2021, from https://www.compadre.org/Repository/document/ServeFile.cfm?ID=15306&DocID=5218
Chicago Format
Southey, Philip. "The Ratio Table: a tool for understanding ratios." Paper presented at the Physics Education Research Conference 2019, Provo, UT, July 24-25, 2019. https://www.compadre.org/Repository/document/ServeFile.cfm?ID=15306&DocID=5218 (accessed 17 October 2021).
MLA Format
Southey, Philip. "The Ratio Table: a tool for understanding ratios." Physics Education Research Conference 2019. Provo, UT: 2019. 567-572 of PER Conference. 17 Oct. 2021 <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=15306&DocID=5218>.
BibTeX Export Format
@inproceedings{ Author = "Philip Southey", Title = {The Ratio Table: a tool for understanding ratios}, BookTitle = {Physics Education Research Conference 2019}, Pages = {567-572}, Address = {Provo, UT}, Series = {PER Conference}, Month = {July 24-25}, Year = {2019} }
Refer Export Format

%A Philip Southey %T The Ratio Table: a tool for understanding ratios %S PER Conference %D July 24-25 2019 %P 567-572 %C Provo, UT %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=15306&DocID=5218 %O Physics Education Research Conference 2019 %O July 24-25 %O application/pdf

EndNote Export Format

%0 Conference Proceedings %A Southey, Philip %D July 24-25 2019 %T The Ratio Table: a tool for understanding ratios %B Physics Education Research Conference 2019 %C Provo, UT %P 567-572 %S PER Conference %8 July 24-25 %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=15306&DocID=5218


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