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Comparing fractions, a whole class debate, Clip 2 of 5: Remembering the candy bar [video]. Retrieved from https://doi.org/doi:10.7282/T3T72G2D
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TitleComparing fractions, a whole class debate, Clip 2 of 5: Remembering the candy bar
PublisherNew Brunswick, NJ: Robert B. Davis Institute for Learning, , c1993-09-29
Persistent URLhttps://doi.org/doi:10.7282/T3T72G2D
DescriptionIn the second clip of this classroom session, researcher Carolyn Maher reminded the students about the “Candy Bar” problem that they had discussed in an earlier session. She showed the students a drawing of the candy bar and asked the students to think of other number names that they could provide for one half of the candy bar. The students worked in their groups for a couple of minutes and then shared their ideas in a whole class discussion. Meredith and Erik provided solutions of six twelfths and two fourths, and Jackie offered a solution of six twelfths during the class discussion. After Danielle presented her solution of two fourths, some students disagreed, and then Danielle offered a second explanation. Brian named the part three sixths, and explained that he had found groups of squares that could be called sixths. At the overhead, he showed directly that there were six pairs of squares and three of those groups spanned half the grid. The researcher then reviewed the number names that had been provided by the students and recorded the equivalences on a transparency. She then asked the students if it was also true that one fifth was equal to two tenths, and the students responded in the affirmative.
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 ParticipantsMeredith (student), Michael (Colts Neck, student), Erik (student), Jackie (student), Danielle (student), Brian F. (Colts Neck, student), Jessica (student)
CorporateConover Road (Colts Neck, N.J.)
SettingClassroom
Student GenderMixed
Student EthnicityWhite
Camera ViewsClassroom view, Presentation view, Side 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 Captured1993-09-29
Local IdentifierA80A81A82-FRC-CMPRF-CLIP002
Related Publication
Type: Related publication
Label: Ed.D. dissertation references the video footage that includes Comparing fractions, a whole class debate, Clip 2 of 5: Remembering the candy bar
Date: 2009
Author: Yankelewitz, Dina (Rutgers, the State University of New Jersey)
Name: The development of mathematical reasoning in elementary school students' exploration of fraction ideas
Reference: http://hdl.rutgers.edu/1782.1/rucore10001500001.ETD.000054787
Type: Related publication
Label: Ed.D. dissertation references the video footage that includes Comparing fractions, a whole class debate, Clip 2 of 5: Remembering the candy bar
Date: 2009
Author: Yankelewitz, Dina (Rutgers, the State University of New Jersey)
Name: The 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 Comparing fractions, a whole class debate, Clip 2 of 5: Remembering the candy bar
Date: 2001
Author: Steencken, Elena Perrone (Rutgers, the State University of New Jersey)
Name: Tracing the growth in understanding of fraction ideas
Reference: http://hdl.rutgers.edu/1782.1/rucore10001600001.ETD.000055125
Type: Related publication
Label: Ed.D. dissertation references the video footage that includes Comparing fractions, a whole class debate, Clip 2 of 5: Remembering the candy bar
Date: 2001
Author: Steencken, Elena Perrone (Rutgers, the State University of New Jersey)
Name: Tracing the growth in understanding of fraction ideas
Reference: http://hdl.rutgers.edu/1782.1/rucore10001600001.ETD.000055125
Source
Title: A80, Comparing fractions, a whole class debate (classroom view), Grade 4, September 29, 1993, raw footage.
Identifier: A80-19930929-CNCR-CV-CLASS-GR4-FRC-CMPRF-RAW
Title: A80, Comparing fractions, a whole class debate (classroom view), Grade 4, September 29, 1993, raw footage.
Identifier: A80-19930929-CNCR-CV-CLASS-GR4-FRC-CMPRF-RAW
Source
Title: A81, Comparing fractions, a whole class debate (presentation view), Grade 4, September 29, 1993, raw footage.
Identifier: A81-19930929-CNCR-PV-CLASS-GR4-FRC-CMPRF-RAW
Title: A81, Comparing fractions, a whole class debate (presentation view), Grade 4, September 29, 1993, raw footage.
Identifier: A81-19930929-CNCR-PV-CLASS-GR4-FRC-CMPRF-RAW
Source
Title: A82, Comparing fractions, a whole class debate (side view), Grade 4, September 29, 1993, raw footage.
Identifier: A82-19930929-CNCR-SIV-CLASS-GR4-FRC-CMPRF-RAW
Title: A82, Comparing fractions, a whole class debate (side view), Grade 4, September 29, 1993, raw footage.
Identifier: A82-19930929-CNCR-SIV-CLASS-GR4-FRC-CMPRF-RAW