DescriptionAs the students were dispersing after class, David called over researcher Carolyn Maher to share his model. He built a balance beam using one vertical and one horizontal rod, placed two light green...
DescriptionThe small group interview with 4 students (Jeff, Michelle, Milin, and Stephanie) lasted about an hour and occurred after the students worked in the classroom on building towers of height five...
DescriptionIn this task-based interview Brandon, a 10-year-old 4th grade boy, shares his ideas with the researcher, Amy Martino, about two problems that he had solved in earlier class sessions. In the first...
DescriptionIn the fifth clip in a series of ten from the fifth of seven interviews, 8th grader Stephanie continues her exploration of Early Algebraic Ideas about Binomial Expansion. Referring to the...
DescriptionIn this task-based interview Brandon, a 10-year-old 4th grade boy, shares his ideas with the researcher, Amy Martino, about two problems that he had solved in earlier class sessions. In the first...
DescriptionAfter the students have worked on the Towers Problem in the Towers series, researcher Alice Alston facilitates a group sharing session. She begins by asking how many towers the students have found and...
DescriptionAfter a discussion in the previous clip in this series about how many towers can be built three cubes high when selecting from two colors, researcher Alice Alston asks the students to create towers...
DescriptionResearcher Maria Steffero conducts an interview with Romina as an adult, who recently completed her M.B.A., and asks her to reflect on her participation in a long-term study on development of...
DescriptionReflections III – Math Seminar: March 11, 2002 (College Sophomore)
An interview of both Jeff and Romina was conducted during a seminar meeting of math education researchers on March 11, 2002 at the...
DescriptionOn February 6, 1992 two classes of 4th grade students at Harding Public School in Kenilworth, NJ were given the ―Towers 5-high‖ task involving a choice of two colors of Unifix cubes. Romina and...