DescriptionIn the seventh of 8 clips with second grade students, Dana, Michael and Stephanie, one of several small groups within a whole-class session, continue their work on the lollipop problem. (See Clip 6 of...
DescriptionThis one-on-one interview between Researcher Carolyn Maher and Stephanie is a 48-minute discussion that occurred in the 4th grade on the day after Stephanie and her partner, Dana, worked in their...
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...
DescriptionThis summary has been retrieved from Sran (2010):
“During this third individual interview, Milin discovered his “family” strategy. This helped him with the global organization of his towers of...
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...
DescriptionThis video comes from a 6th grade class session in which the researcher, Robert B. Davis, introduces algebraic equations with two variables, using a square “box” and a “triangle” as symbols to...
DescriptionIn the fourth of five clips from a single class session, we see two students, Jessica and Andrew, placing unit fractions, ranging from 1/10 to 1/2, on a number line segment with endpoints labelled 0...
DescriptionIn the second of 6 clips, the four 11th grade students generate an exhaustive list of pizza options choosing from 4 toppings. They recognize that the 16 choices correspond to the fourth row of...
DescriptionThis was the second session that 6th grade students from the Plainfield, NJ district explored probability through dice games in an after-school enrichment program. In this video (part 1 of 2, 44a) the...
DescriptionIn clip 4 of 5, fifth grade student Matt shares his understanding of Milin’s inductive argument with Robert and Michelle R. who, up to this point, found twelve, four-tall towers. Stephanie...