5

1 Analytic found

TitleThe infinite number line, Clip 3 of 4: How many numbers between 0 and 1?

DescriptionIn the third clip researcher Carolyn Maher stated that similarly to the number line going on and on forever, so does the numbers in between zero and one. The students then explored dividing the line...

6

TitleB16, Working without the ribbons and bows: An excursion into division of non-unit fractions (side view), Grade 4, Dec. 15, 1993, raw footage

Date Created2014-02-07

DescriptionThe session began with a whole class discussion about the problems that the students had worked on the day before. Afterwards, the students worked with their partners on two series of tasks. These...

7

3 Analytics found

TitleA73, Revisiting construction of large models to compare fractions (classroom view), Grade 4, October 8, 1993, raw footage

DescriptionAmy Martino began the session by asking the students to discuss the task that they had worked on during the previous two sessions: Which is larger, two thirds or three fourths, and by how much?...

8

2 Analytics found

TitleA30, Fraction problems: Sharing and number lines (Side View), Grade 4, November 1, 1993, raw footage

DescriptionIn this raw footage, full-session video, Dr. Davis first introduces Gunnar Gjone as a visiting mathematics educator from Norway. The researcher, Carolyn Maher, begins the session by asking the...

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TitleA31, Fraction problems, Sharing and number lines (Overhead/Class view), Grade 4, November 1, 1993, raw footage

DescriptionThis raw footage, full-session video, focuses on the overhead for the first 39 minutes and then on the class as they are working on the problems. Dr. Davis introduces Gunnar Gjone as a visiting...

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TitleA29, Fraction problems: Sharing and number lines (Class view), Grade 4, November 1, 1993, raw footage

DescriptionIn this raw footage video that ends midway in the session, Dr. Davis introduces Gunnar Gjone as a visiting mathematics educator from Norway. The researcher, Carolyn Maher, begins the session by asking...

11

TitleA92, Building large models to show equivalence, an exploration (classroom view), Grade 4, October 7, 1993, raw footage

Date Created1993-10-07

DescriptionResearcher Maher began the session by discussing the ideas that the students had worked on during the previous session. Then, the students worked in groups and revisited the task: Which is larger, one...

12

TitleA92, Building large models to show equivalence, an exploration (classroom view), Grade 4, October 7, 1993, raw footage

Date Created1993-10-07

DescriptionResearcher Maher began the session by discussing the ideas that the students had worked on during the previous session. Then, the students worked in groups and revisited the task: Which is larger, one...

13

2 Analytics found

TitleNumber Line Models and Placing Numbers on the Big Number Line, Clip 2 of 4: Discussion of Meredith’s Number Line Models

Date Created1993

DescriptionThis is the second in a series of four clips from this session. The students discuss Meredith’s placement of fractions on a number line. Erik conjectures that a person would be confused with all...

14

1 Analytic found

TitleBuilding large models to show equivalence, a generalization, Clip 1 of 3: Finding the smallest model

DescriptionAt the start of the session, researcher Carolyn Maher asked the students if they remember working on comparing two thirds and three quarters. She mentioned that she had seen students build more than...