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2 Analytics found

TitleNumber Line Models and Placing Numbers on the Big Number Line, Clip 1 of 4: Meredith’s Number Line Models

Date Created1993

DescriptionThis is the first in a series of four clips from this session, which begins with the researcher, Carolyn Maher, placing a transparency with Meredith's number line models on the overhead projector. ...

17

1 Analytic found

TitleIntroducing fraction equivalence and an exploration of fraction comparison, Clip 3 of 4: Proportional Reasoning Continued

Date Created1993

DescriptionThe students work on the task: If the orange rod is called fifty, what number name would I give the white rod? Sarah and Beth offer an answer immediately, and are questioned by researcher Amy Martino...

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TitleIntroducing Fraction Equivalence and an Exploration of Fraction Comparison, Clip 1 of 4: Equivalent fractions, a debate

Date Created1993

DescriptionIn this clip, researcher Amy Martino leads a class discussion that centers on the task: If I call the orange rod one, what number name would I give two whites? Some students suggest the number name...

19

1 Analytic found

TitleFractions, Grade 4, Clip 4 of 4: Designing a new rod set

DescriptionResearcher Amy Martino posed two related tasks to the students. In this clip, the students work on designing a rod that can be called one half when the blue rod is called one. Erik and Alan discuss...

20

3 Analytics found

TitleNumber Line Models and Placing Numbers on the Big Number Line, Clip 4 of 4

Date Created1993

DescriptionThis is the fourth in a series of four clips from this session. The researcher, Carolyn Maher, invites the students to take turns placing a number that they have been thinking of onto the big number...

21

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...

22

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...

25

2 Analytics found

TitleA34, Fraction problems: Sharing and Number Lines (presentation view), Grade 4, October 29, 1993, raw footage

Date Created1993-10-29

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...