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Date Created1992-02-06
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DescriptionIn this one-on-one interview with Angela when she was in high school, she discusses how she solved the Towers problem three days earlier when she worked with Magda. The researcher prompts her to start...
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Date Created1990-10-11
DescriptionThis is the first clip of a series of seven of tower problem focusing on 4-tall tower using unifix cubes of two different colors (red and blue). Researcher Martino began by asking what a tower is and...
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Date Created1990-10-11
DescriptionThis is the fourth clip in a series of seven of building towers four tall problem using red and blue unifix towers. The researcher tells them to write on a paper the towers they had created. She tells...
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Date Created1990-10-11
DescriptionThis is the third clip in a series of seven of building towers four tall problem using red and blue unifix towers. They tell the researcher that they have a total of seventeen towers. However, Brian...
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DescriptionIn the final clip in a series of seven from the seventh of seven interviews, 8th grader Stephanie responds to questions from researcher Carolyn Maher about problems that she and her classmates had...
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DescriptionIn the third clip in a series of eleven from the sixth of seven interviews, 8th grader Stephanie continues a discussion of ideas about binomial expansion with researchers Carolyn Maher and Robert...
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DescriptionIn the first clip in a series of eleven from the sixth of seven interviews, 8th grader Stephanie revisits her earlier exploration of particular algebraic ideas about binomial expansion with...
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DescriptionIn the fourth clip in a series of eleven from the sixth of seven interviews, 8th grader Stephanie remembers that she had figured out the expanded algebraic expressions for (a+b) for powers up to 6. ...
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DescriptionIn the second clip in a series of eleven from the sixth of seven interviews, 8th grader Stephanie continues her exploration of early algebraic ideas about binomial expansion with researchers Carolyn...
