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Early algebra, investigating linear functions, series 1 of 7, Guess My Rule introduction and Ariel and James with problems 1-3, Clip 5 of 8: Comparing strategies for problem 3 when x = 25 [video]. Retrieved from https://doi.org/doi:10.7282/T39Z92V0

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TitleEarly algebra, investigating linear functions, series 1 of 7, Guess My Rule introduction and Ariel and James with problems 1-3, Clip 5 of 8: Comparing strategies for problem 3 when x = 25
PublisherNew Brunswick, NJ: Robert B. Davis Institute for Learning, 2005-11-02, c2005-11-02
Persistent URLhttps://doi.org/doi:10.7282/T39Z92V0
DescriptionIn the fifth of eight clips in Series One of Exploring Linear Functions, researcher Evelyn Hanna asks James and Ariel to figure out the Y value for Guess My Rule problem 3 if the value of X is twenty-five. Ariel uses his rule of 3 times X plus 1 for a result of seventy-six but also continues to list X and Y values in his table giving a result of seventy-five. James' first response is eighty. They compare and revisit their strategies and conclude that the correct solution is seventy-six.
Problem 3.
X Y
0 1
1 4
2 7
3 10
Math ToolWorksheet with problem statements, 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 HeuristicsRecursive reasoning, Direct reasoning, Recognizing a pattern, Generalizing
Grade Level7
Student ParticipantsAriel (student), James T. (student)
MediatorsBaldev, Prashant V. (Researcher), Laffey, Evelyn Hanna (Researcher)
CorporateFrank J. Hubbard Middle School (Plainfield, N.J.)
SettingInformal learning
Student GenderMale
Student EthnicityMixed
Camera ViewsTeacher view, Student 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 IdentifierB22B23-ALG-VAR-CLIP005
Related Publication
   Type: Related publication
   Label: Ed.D. dissertation references the video footage that includes Early algebra, investigating linear functions, series 1 of 7, Guess My Rule introduction and Ariel and James with problems 1-3, Clip 5 of 8: Comparing strategies for problem 3 when x = 25
   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: B22, Early algebra, investigating linear functions, Guess My Rule day 1 (student view), Grade 7, November 2, 2005, raw footage.
   Identifier: B22-20051102-PFLD-SV-IFML-GR7-ALG-VAR-RAW
Source
   Title: B23, Early algebra, investigating linear functions, Guess My Rule day 1 (teacher view), Grade 7, November 2, 2005, raw footage.
   Identifier: B23-20051102-PFLD-SV-IFML-GR7-ALG-VAR-RAW