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Introducing fraction equivalence and an exploration of fraction comparison, Clip 4 of 4: Finding the number name for the difference between one half and one third [video]. Retrieved from https://doi.org/doi:10.7282/T36W99HS

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TitleIntroducing fraction equivalence and an exploration of fraction comparison, Clip 4 of 4: Finding the number name for the difference between one half and one third
PublisherNew Brunswick, NJ: Robert B. Davis Institute for learning, 1993, c1993-09-27
Persistent URLhttps://doi.org/doi:10.7282/T36W99HS
DescriptionDuring this small group activity, the students revisited the task: Which is larger, 1/2 or 1/3, and by how much? Some of the students attempted to solve the task using balance beams, but most reverted to conventional usage of the rods. In this clip, researcher Amy Martino encourages Beth and Sarah, as well as David and Meredith, to find the number name for the difference between one half and one third. Both pairs of students find the number name of one half. In addition, Brian F. and Jessica explain to the researcher how they know which is larger, one half or one third, and record their solution.
Math ToolCuisenaire rods
Math StrandFractions
Math ProblemFraction as number, Comparing fractions
NCTM Grade Range3-5
NCTM Content StandardNumber and operations
NCTM Process StandardProblem solving, Reasoning and proof, Communication, Connections, Representation
Forms of Reasoning, Strategies and HeuristicsDirect reasoning
Grade Level4
Student ParticipantsBeth (student), Brian F. (Colts Neck, student), David (student), Jessica (student), Meredith (student), Sarah (student)
MediatorsMartino, Amy (Researcher), Phillips, Joan (Teacher)
CorporateConover Road (Colts Neck, N.J.)
SettingClassroom
Student GenderMixed
Student EthnicityWhite
Camera ViewsClassroom view, Side view, Presentation view
Date Captured1993-09-27
Local IdentifierA37A38A39-FRC-CMPRF-CLIP004
Related Publication
   Type: Related publication
   Label: Ed. D. dissertation references the video footage that includes Introducing fraction equivalence and an exploration of fraction comparison, Clip 4 of 4: Finding the number name for the difference between one half and one third
   Date: 2009-05-01
   Detail: Dissertation available in digital and paper formats in the Rutgers University Libraries dissertation collection.
   Author: Yankelewitz, Dina (Rutgers Graduate School of Education)

   Name: Development of mathematical reasoning in elementary school students' exploration of fraction ideas
   Reference: http://hdl.rutgers.edu/1782.1/rucore10001500001.ETD.000054787
Related Publication
   Type: Related publication
   Label: Ed. D. dissertation references the video footage that includes Introducing fraction equivalence and an exploration of fraction comparison, Clip 4 of 4: Finding the number name for the difference between one half and one third
   Date: 2001-05-01
   Author: Steencken, Elena Perrone
   Name: Tracing the growth in understanding of fraction ideas : a fourth grade study
   Reference: http://hdl.rutgers.edu/1782.1/rucore10001600001.ETD.000055125
Source
   Title: A37, Introducing Fraction Equivalence and an Exploration of Fraction Comparison (Side View), raw footage
   Identifier: A37-19930927-CNCR-SV-CLASS-GR4-FRC-CMPRF-RAW
Source
   Title: A38, Introducing Fraction Equivalence and an Exploration of Fraction Comparison (Classroom View), raw footage
   Identifier: A38-19930927-CNCR-FV-CLASS-GR4-FRC-CMPRF-RAW
Source
   Title: A39, Introducing Fraction Equivalence and an Exploration of Fraction Comparison (Presentation View), raw footage
   Identifier: A39-19930927-CNCR-PV-CLASS-GR4-FRC-CMPRF-RAW