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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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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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DescriptionThis video was recorded during the first of many research sessions in a yearlong study conducted in a fourth grade classroom by researcher Carolyn Maher and colleagues. At the start of this session,...
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TitleFraction as number, an introduction, Clip 4 of 8: Establishing a unit for comparing length of rods
DescriptionIn the fourth of eight clips from this session, researcher Carolyn Maher mentioned that she had heard a student suggest that the red rod be called one if the dark green rod were called one. She asked...
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TitleFraction as number, an introduction, Clip 8 of 8: Emphasizing precise language in problem posing
DescriptionDuring the eighth and final clip from this session, Meredith and Sarah are working together to make up problems for one another to solve with the rods. Meredith asks Sarah "If you called one...
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DescriptionIn the fifth of eight clips from this session, researcher Carolyn Maher asked the class to give a number name for the red rod if the brown rod was called one. Danielle explained that it would be...
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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...
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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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DescriptionIn the third clip from this classroom session, during the whole class discussion, Sarah and Audra presented their solution to the class. Audra explained that they called the red rod one fourth when...
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DescriptionIn the fifth clip from this classroom session, researcher Carolyn Maher asked the class to compare one half and one third and determine which is larger and by how much. The class worked on this...
