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Division of Fractions, Clip 3 of 3: A Whole Class Discussion About Number Sentences [video]. Retrieved from https://doi.org/doi:10.7282/T3TM79R0

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TitleDivision of Fractions, Clip 3 of 3: A Whole Class Discussion About Number Sentences
PublisherNew Brunswick, NJ: Robert B. Davis Institute for learning, , c1993-12-02
Persistent URLhttps://doi.org/doi:10.7282/T3TM79R0
DescriptionAmy Martino leads a whole class discussion during which they talk about ways of writing number sentences for two problems: 1) How many one sixths are in one? and 2) How many one twelfths are in one? After some discussion, including an explanation from Michael A. about why the number sentence makes sense and some challenges from Erik, the class agrees with the number sentences that were created.
Math ToolCuisenaire rods
Math StrandFractions
Math ProblemFraction as number, Division of 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, Indirect reasoning, Reasoning by contradiction
Grade Level4
Student ParticipantsDanielle (student), Erik (student), Jessica (student), Mark (student), Meredith (student), Michael (Colts Neck, student)
MediatorsMartino, Amy (Researcher), Phillips, Joan (Teacher)
SettingClassroom
Student GenderMixed
Student EthnicityWhite
Camera ViewsClassroom view, Side view, Presentation 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 Captured1993-12-02
Local IdentifierA35A36A37-FRC-CMPRF-CLIP003
Related Publication
   Type: Related publication
   Label: Ed. D. dissertation references the video footage that includes Division of Fractions, Clip 3 of 3: A Whole Class Discussion About Number Sentences.
   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 Division of Fractions, Clip 3 of 3: A Whole Class Discussion About Number Sentences.
   Date: 2002-05-01
   Author: Bulgar, Sylvia
   Name: Through a teacher's lens : children's constructions of division of fractions
   Reference: http://hdl.rutgers.edu/1782.1/rucore10001600001.ETD.000055124
Source
   Title: Introducing Division of Fractions (classroom view), raw footage
   Identifier: A35-19931202-CNCR-FV-CLASS-GR4-FRC-CMPRF-RAW
Source
   Title: Introducing Division of Fractions (side view), raw footage
   Identifier: A36-19931202-CNCR-SV-CLASS-GR4-FRC-CMPRF-RAW
Source
   Title: Introducing Division of Fractions (presentation view), raw footage
   Identifier: A37-19931202-CNCR-PV-CLASS-GR4-FRC-CMPRF-RAW