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TitleComparing fractions and evaluating models that represent solutions, Clip 7 of 8: Meredith's challenge, does the model work?

DescriptionIn the seventh clip Amy, Jacquelyn, and James built another rod model at the overhead to show their solution to the problem: Which is larger one half or one quarter. Amy explained that they had tried...

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2 Analytics found

TitleDiscovering equivalent fractions and introducing fraction notation, Clip 5 of 5: Compare one half and two thirds, establishing equivalence

DescriptionIn the fifth clip, researcher Carolyn Maher called the class together. At the overhead, Erin, Jackie, and Jessica had built the six and twelve centimeter models. The researcher asked the class to...

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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...

23

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...

24

TitleThe number line and equivalent fractions, Clip 1 of 1: Multiple representations for equivalent fractions

DescriptionIn this clip researcher Carolyn Maher asked Graham what his argument would be for why two fourths could be labeled one half. He replied that one half plus one half would equal a whole and that two...

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TitleThe infinite number line, Clip 4 of 4: Placing fractions and mixed numbers on the number line

DescriptionIn the fourth clip researcher Carolyn Maher asked the students to each come up and take a turn placing some fractions on the number line. She called on Gregory to come up first. He placed a one half...

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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?...

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1 Analytic found

TitleA86, Discovering equivalent fractions and introducing fraction notation (classroom view), Grade 4, October 4, 1993, raw footage

Date Created2015-12-09

DescriptionResearcher Maher began the session by discussing the relative size of fractions within different models. Using the analogy of two different sized dioramas of children in a fishing boat, the class...

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1 Analytic found

TitleA87, Discovering equivalent fractions and introducing fraction notation (presentation view), Grade 4, October 4, 1993, raw footage

Date Created2015-12-09

DescriptionResearcher Maher began the session by discussing the relative size of fractions within different models. Using the analogy of two different sized dioramas of children in a fishing boat, the class...

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TitleA96, Building large models to show equivalence, a generalization (student view), Grade 4, Oct. 11, 1993, raw footage

DescriptionDuring this session, conducted as a whole class discussion, Researcher Carolyn Maher revisited the problem that the students had worked on during the previous three sessions: Which is larger, two...