1
DescriptionIn the fourth clip, researcher Alice Alston worked with Gregory and Danielle on the task: Which is larger two thirds or one half and by how much? Danielle built two models, one using the dark green...
2
Date Created1990-10-11
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...
3
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...
4
Date Created1993-02-26
DescriptionIn the first of five clips, Milin and Michelle I, two fifth grade students are attempting to find all possible towers three cubes tall when selecting from two colors as the sample space for Question 1...
5
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...
6
Date Created1990-10-11
DescriptionIn this clip, Jamie begins recording on a large sheet her solution to the Shirts and Pants Problem introduced in the previous clip in this series. As Jamie records her solution, researcher Alice...
7
Date Created1989-03-21
DescriptionIn the second of nine clips in a first grade classroom, four children: Stephanie, Gerardo, Sean and Aaron, focus on the 2nd problem in a set of 6. After Stephanie reads the problem, the children use...
8
Date Created1989-03-21
DescriptionIn the fourth of nine clips in a first grade classroom, four children: Stephanie, Gerardo, Sean and Aaron, are working first on Problem 5 and then on Problem 6 of a set of six word problems involving...
9
TitleWord problems with addition and subtraction, Stephanie's group, Clip 6 of 9: Reconsidering problem 5
Date Created1989-03-21
DescriptionIn the sixth of nine clips in a first grade classroom, four children: Stephanie, Gerardo, Sean and Aaron, revisit and reconsider their solution to Problem 5 of a set of 6 word problems involving...
10
Date Created1989-03-21
DescriptionIn the seventh of nine clips in a first grade classroom, four children: Stephanie, Gerardo, Sean and Aaron, revisit and reconsider their solution to the final problem of a set of six word problems...
