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1
Date Created1990-10-11
DescriptionThis is the second clip in a series of seven of building towers four tall problem using red and blue unifix towers. Brian suggests a new tower with two blue and two reds. Jeff said he would build the...
2
Date Created1990-10-11
DescriptionThis is the sixth clip in a series of seven of building towers four tall problem using red and blue unifix towers. Another student visited Brian and Jeff’s table and tells them that they got sixteen...
3
Analytic icon 1 Analytic found
Date Created2005-12-15
DescriptionIn the second of six clips from an after-school enrichment session in an urban middle school, Ariel, a 7th grade boy completing a unit about linear functions, continues his work on the Museum problem....
4
Date Created2007-05-17
DescriptionIn the first of five clips from a follow-up interview Ariel, an 8th grade student in an urban middle school, is asked to describe what he remembers about his participation in the after-school...
5
Date Created1990-02-26
DescriptionIn the second of 8 clips with second grade students, researcher Amy Martino interviews Jeff about how he and his group, which had included Stephanie and Brian, approached the candy heart problems in...
6
Analytic icon 2 Analytics found
Date Created1992-02-07
DescriptionThis interview with researcher Alston and Milin, with the presence of teacher Mrs. Barnes, occurred on February 7, 1992, the following day of the classroom work with Michael on the five-tall Tower...
7
Analytic icon 2 Analytics found
Date Created2004-05-05
DescriptionThis was an interview following the second session that 6th grade students from the Plainfield, NJ district explored probability by playing dice games in an after-school enrichment program. In this...
8
Analytic icon 1 Analytic found
DescriptionIn the fifth clip Michael and Brian extended their model using the orange and red train to show thirds and twelfths in addition to fourths. They showed that the difference between two thirds and three...
9
DescriptionIn the third clip, Alan and Erik worked together on the task: Which is larger two thirds or one half and by how much? Alan first built a model using the dark green rod as one, and the two concluded...
10
Analytic icon 1 Analytic found
Date Created2005-12-15
DescriptionIn the third of six clips from an after-school enrichment session in an urban middle school, Ariel, a 7th grade boy completing a unit about linear functions, continues his work on the Museum problem. ...