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Early algebra, investigating linear functions, series 2 of 7, working on Guess My Rule problems 1-3, Clip 1 of 5: Yonny and Brandon with problem 1
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Early algebra, investigating linear functions, series 2 of 7, working on Guess My Rule problems 1-3, Clip 1 of 5: Yonny and Brandon with problem 1 [video]. Retrieved from https://doi.org/doi:10.7282/T3T151NQ

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TitleEarly algebra, investigating linear functions, series 2 of 7, working on Guess My Rule problems 1-3, Clip 1 of 5: Yonny and Brandon with problem 1
PublisherNew Brunswick, NJ: Robert B. Davis Institute for Learning, 2005-11-02, c2005-11-02
Persistent URLhttps://doi.org/doi:10.7282/T3T151NQ
DescriptionIn the first of five clips in Series Two of Exploring Linear Functions: Guess My Rule, Yonny and Brandon, 7th grade students in an after-school enrichment program, are challenged by researcher Arthur Powell to find a rule for problem 1. Both boys begin with a recursive strategy that increases the number to be added to the independent variable, X, by one in order to obtain the corresponding dependent variable, Y. When researcher Powell asks them for the Y value when X is twenty, both boys continue to extend their tables. When they notice that the dependent variable is increasing by two, they shift to that new strategy and find the value to be forty-one. When asked for the Y value when X is one hundred, Yonny suggests that, since five times twenty is one hundred, the corresponding value for Y should be five times forty-one or two hundred five. Teacher Alan Hiba is observing.
Guess My Rule Problem 1.
X____ Y_
0 1
1 3
2 5
3 7
4 9
5 11
Math ToolComputer, Color markers
Math StrandAlgebra
Math ProblemGuess my rule
NCTM Grade Range6-8
NCTM Content StandardAlgebra
NCTM Process StandardProblem solving, Reasoning and proof, Communication, Connections, Representation
Forms of Reasoning, Strategies and HeuristicsGuessing and checking, Direct reasoning, Recursive reasoning, Recognizing a pattern, Proportional reasoning
Grade Level7
Student ParticipantsYonny (student), Brandon G. (student)
MediatorsBaldev, Prashant V. (Researcher), Powell, Arthur B. (Researcher), Hiba, Alan (Researcher)
CorporateFrank J. Hubbard Middle School (Plainfield, N.J.)
SettingInformal learning
Student GenderMale
Student EthnicityMixed
Camera ViewsStudent view
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-CLIP001
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 1 of 5: Yonny and Brandon with problem 1
   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
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