12
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...
13
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...
14
Date Created1992-02-06
DescriptionIn this video, the fourth grade partners Romina and Brian are constructing a solution to the “Towers Problem 5-High.” PROBLEM STATEMENT: "Your group has two colors of Unifix® cubes. Work...
15
Date Created1992-02-06
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...
16
TitleNight session, Pascal's identity, clip 3 of 7: further explorations of factorials and combinations
DescriptionThis is the third of seven clips from the night session. The four students (Ankur, Jeff, Michael, and Romina) investigate the reason for dividing n! by (n-x)! and x! when calculating “n choose...
17
TitleTowers with Stephanie and Dana, Clip 3 of 5: Checking for duplicates and discovering “cousin” towers
Date Created1990-10-11
DescriptionIn this clip, researcher Alice Alston asks Stephanie and Dana how many towers they have created. The two girls had been working on the Towers Problem introduced in the first clip in this series. After...
18
Date Created1990-10-11
DescriptionIn this clip, Stephanie and Dana work on recording their solution to the Towers Problem, introduced in the first clip in this series. As Dana finishes her recording her towers solution individually,...
19
Date Created1990-10-11
DescriptionAfter a discussion in clip four of 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 three...
20
Date Created1992-06-15
21
Date Created1990-10-11
DescriptionThis is the fifth clip in a series of seven of building towers four tall problem using red and blue unifix towers. Jeff shouts to everyone that they have sixteen towers. Brian keeps checking and makes...
