DescriptionIn the last of five clips from a single class session, the researcher reviews with the students how to place whole numbers on a number line. The students are then asked to decide about the placement...
DescriptionIn this second of five clips from a single class session, the students consider how 3 candy bars could have been equally distributed among their class of 25. The students had worked on this problem...
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 fourth of six clips, the four students develop the structural isomorphism between adding an additional pizza topping choice and the addition rule for successive rows of Pascal’s Triangle and...
DescriptionThis video comes from the Rutgers-Kenilworth Study, and edited for the The Private Universe Project in Mathematics (PUP-Math). It includes narrative voice over and an interview with Researcher, Robert...
DescriptionThis is a raw footage video. On February 26, 1993 fifth graders, Stephanie, Michelle, Milin and their classmates, worked on the Guess My Tower task in a class session, about a year after the “Gang...
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...
DescriptionIn this one hour and forty minute unedited video, the fourth grade class was divided into pairs to work on a Towers problem on February 6, 1992. At the beginning of the session, there are two sheets...