RUcore: Rutgers University Community Repository
Fractions, Grade 4, Clip 1 of 4: David's upper and lower bound argument
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Fractions, Grade 4, Clip 1 of 4: David's upper and lower bound argument
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A40A41A42-FRC-CMPRF-CLIP001
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English
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Research data
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Action research
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Educational interventions (large group)
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Alan (student)
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Andrew (student)
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Brian F. (Colts Neck, student)
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David (student)
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Conover Road (Colts Neck, N.J.)
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3-5
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Number and operations
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Reasoning and proof
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Representation
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Fractions
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Fraction as number
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Cuisenaire rods
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Reasoning by upper and lower bounds
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Reasoning by contradiction
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4
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White
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Colts Neck Township Schools
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Country
UNITED STATES
State
New Jersey
County
Monmouth County
City
Colts Neck (N.J. : Township)
Abstract
During this clip, the students discuss a task that had been posed by Erik: If I call the blue rod one, what rod will I call one half? A lively discussion centering on the definition of one half ensued. David offered an argument to justify why no such rod could be found, which was countered by a suggestion from Erik, and Jessica, David, Andrew, and Alan provided counterarguments to Erik's suggestion. The researcher then asked Erik questions about his suggestion, and Kimberly offered another counterargument to Erik's claim. Finally, David offered another justification of his original solution.
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Education
Note
(type = supplementary materials)
Transcript and student work are also available.
Note
(type = APA citation)
Robert B. Davis Institute for Learning. (1993). Fractions, Grade 4, Clip 1 of 4: David's upper and lower bound argument. [video]. Retrieved from http://hdl.rutgers.edu/1782.1/rucore00000001201.Video.000054465
Note
(type = available formats)
Available in QuickTime streaming and downloadable Flash digital video files.
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Maher
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Carolyn Alexander
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Rutgers, the State University of New Jersey
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Martino
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Amy
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New Brunswick, NJ
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Robert B. Davis Institute for Learning
CopyrightDate
1993-09-21
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Title
The Development of mathematical reasoning in elementary school students' exploration of fraction ideas / by Dina Yankelewitz
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http://hdl.rutgers.edu/1782.1/rucore10001500001.ETD.000054787
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Tracing the growth in understanding of fraction ideas : a fourth grade study / by Elena Perrone Steencken.
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Ed.D. dissertation references the video footage that includes Fractions, Grade 4, Clip 1 of 4: David's upper and lower bound argument
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New Brunswick, NJ
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2009-05-01
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Dissertation available in digital and paper formats in the Rutgers University Libraries dissertation collection.
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http://hdl.rutgers.edu/1782.1/rucore10001600001.ETD.000055125
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Available in paper form in the Rutgers University Libraries dissertation collection
Identifier
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doi:10.7282/T3ZP45ZT
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This video is protected by copyright. It is available for viewing and use within the Video Mosaic Collaborative (VMC) portal. Please contact the Robert B. Davis Institute for Learning (RBDIL) for further information about the use of this video.
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Open
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Publication
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Unpublished
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Name
Robert B. Davis Institute for Learning
Role
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732-932-7496, ext. 8262
Address
Rutgers Graduate School of Education
10 Seminary Place
New Brunswick, NJ 08901-1183
10 Seminary Place
New Brunswick, NJ 08901-1183
ContactInformationDate
2009-11-03
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License to make digital resource available in open access
Place
New Brunswick, NJ
DateTime
2009-11-02
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Non-exclusive license to digitize and make openly available the videos and other collection resources of the Institute is on file in the office of the RUcore Collections Manager.
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Name
Carolyn A. Maher
Affiliation
Director, Robert B. Davis Institute for Learning, Rutgers Graduate School of Education
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