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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...

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TitleComparing fractions and evaluating models that represent solutions, Clip 1 of 8: Writing assignment, reviewing solutions

DescriptionIn the first clip from this session, researcher Carolyn Maher reminded the students that they had compared the fractional numbers one half and one third. For homework they had written about their...

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2 Analytics found

TitleReviewing rod relationships and the candy bar problem, Clip 4 of 6: Switching units, candy bar metaphor

DescriptionIn the fourth clip from this classroom session, researcher Carolyn Maher led a whole class discussion. She told the class that she gave each of the two adults who were in the room half a chocolate bar...

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1 Analytic found

TitleFraction problems, Sharing and number lines, Clip 1 of 3: Sharing candy bars, Introducing the problem

DescriptionIn the first of three clips from a single class session, the researcher asks the 4th grade students to explain the mathematical task of the previous day when each of the three small groups within the...

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2 Analytics found

TitleEarly algebra ideas involving two variables, Clip 4 of 18: Scientists and the nature of secrets

DescriptionThe fourth of 18 clips from Early Algebra Ideas Involving Two Variables begins the second of two consecutive classroom sessions with the class of 6th grade students. Researcher Robert B. Davis opens...

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2 Analytics found

TitleEarly algebra ideas involving two variables, Clip 1 of 18: Open sentences that can be made true or false with legal or illegal substitutions

DescriptionThis first of 18 clips focusing on Early Algebra Ideas Involving Two Variables occurred toward the end of the first of two consecutive 6th grade class sessions. Researcher, Robert B. Davis, builds on...

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1 Analytic found

TitleEarly algebra ideas involving two variables, Clip 2 of 18: Truth sets in a table

DescriptionIn the second of 18 clips focusing on Early Algebra Ideas Involving Two Variables, Researcher Robert Davis writes the equation printed below on the white board and asks the 6th grade students to think...

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1 Analytic found

TitleEarly algebra ideas involving two variables, Clip 5 of 18: Recap of day 1, moving from one to two variables

DescriptionIn the fifth of 18 clips from Early Algebra Ideas Involving Two Variables on the second of two consecutive classroom sessions with the class of 6th grade students, Researcher Robert B. Davis revisits...

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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...

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3 Analytics found

TitlePUP Math Towers of Hanoi

Date Created1993-10-29

DescriptionThis video comes from The Private Universe Project in Mathematics and includes excerpts from interviews as well as narrative voice-over, interspersed with footage of students engaged with problem...