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...
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...
DescriptionDuring this session, the students begin by working on the following problem: “Stephen has a white shirt, a blue shirt and a yellow shirt. He has a pair of blue jeans and a pair of white jeans. How...
DescriptionIn this clip, researcher Amy Martino asks Dana and Stephanie to work on an extension to the shirts and pants problem: How many outfits can Stephen make if he has an additional pair of black jeans?...
DescriptionIn the second of 8 clips with second grade students, researcher Amy Martino interviews Jeff about how he and his group, which had included Stephanie and Brian, approached the candy heart problems in...
DescriptionIn the third of 8 clips with second grade students, researcher Amy Martino interviews Stephanie about how she and her group, which included Jeff and Brian, had approached the candy hearts problems in...
DescriptionThis is the second clip in a series of seven of building towers four tall problem using red and blue unifix towers. Brian suggests a new tower with two blue and two reds. Jeff said he would build the...
DescriptionThis video comes from an interview conducted by researcher Carolyn Maher with Romina as an 11th grader and participant of a long-term study on development of mathematical thinking and reasoning in...
DescriptionIn the first clip in a series of nine from the fourth of seven interviews in which 8th grader Stephanie explores Early Algebraic Ideas about Binomial Expansion, Stephanie explains the conclusions that...
DescriptionIn the second clip in a series of nine from the fourth of seven interviews in which 8th grader Stephanie explores Early Algebraic Ideas about Binomial Expansion, Stephanie describes to researcher...