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Early algebra, investigating linear functions, series 2 of 7, working on Guess My Rule problems 1-3, Clip 2 of 5: Yonny and Brandon with problem 2 [video]. Retrieved from
https://doi.org/doi:10.7282/T3P848WJ
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TitleEarly algebra, investigating linear functions, series 2 of 7, working on Guess My Rule problems 1-3, Clip 2 of 5: Yonny and Brandon with problem 2
PublisherNew Brunswick, NJ: Robert B. Davis Institute for Learning, 2005-11-02, c2005-11-02
DescriptionIn the second of five clips in Series Two of Exploring Linear Functions, researcher Arthur Powell challenges 7th graders,Yonny and Brandon, 7th to find a rule for Guess My Rule problem 2. Noticing the same pattern of differences that they had used for problem 1, the boys quickly gave that as their rule and determined values up to ten. When asked to try a different strategy for the rule when X is twenty, the boys predict that Y would be forty-five, which they found by doubling ten and adding twenty-five, which was the Y value for ten to get forty-five. When asked if there was another way, they return to their table and continue adding two to each value of Y for each successive value of X. They are pleased when they find that the value for twenty is indeed forty-five. Teacher Alan Hiba is observing.
Guess My Rule Problem 2.
X Y
0 5
1 7
2 9
3 11
4 13
RightsThe video is protected by copyright. It is available for reviewing 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.
Date Captured2005-11-02
Local IdentifierB26-ALG-VAR-CLIP002
Related Publication
Type: Related publication
Label: Ed.D. dissertation references the video footage that includes Early algebra, investigating linear functions, series 2 of 7, working on Guess My Rule problems 1-3, Clip 2 of 5: Yonny and Brandon with problem 2
Date: 2009
Author: Baldev, Prashant V. (Rutgers, the State University of New Jersey)
Name: Urban, seventh-grade students building early algegra ideas in an informal after school program
Reference: QA.B175 2009
Source
Title: B26, Early algebra, investigating linear functions, Guess My Rule introduction (student view), Grade 7, November 2, 2005, raw footage.
Identifier: B26-20051102-PFLD-SV-IFML-GR7-ALG-VAR-RAW