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2 Analytics found

TitleFraction problems, Sharing and Number Lines, Clip 5 of 5: Placing fractions on the number line

DescriptionIn the last of five clips from a single class session, the researcher reviews with the students how to place whole numbers on a number line. The students are then asked to decide about the placement...

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TitleDiscovering equivalent fractions and introducing fraction notation, Clip 3 of 5: Alan and Erik compare one half and two thirds

DescriptionIn the third clip, Alan and Erik worked together on the task: Which is larger two thirds or one half and by how much? Alan first built a model using the dark green rod as one, and the two concluded...

20

1 Analytic found

TitleFraction as number, an introduction, Clip 6 of 8: Problem posing for the class

DescriptionIn the sixth of eight clips from this session, researcher Carolyn Maher asked the students to work with their partners to come up with questions to challenge the class. Alan was first to present his...

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TitleReviewing rod relationships and the candy bar problem, Clip 1 of 6: Whole class review of number name problems

DescriptionAt the start of the first clip, the researcher Carolyn Maher asked the students to solve tasks similar to the ones that they had worked on earlier in the week. She asked Audra to tell her what the...

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TitleDiscovering equivalent fractions and introducing fraction notation, Clip 1 of 5: Boats and fish, a conversation about building models

DescriptionIn the first clip, researcher Carolyn Maher began the session with a discussion about a model that Mark had made for another class. The model was comprised of a boat, a fish, and two children. The...

23

1 Analytic found

TitleReviewing rod relationships and the candy bar problem, Clip 2 of 6: What is the number name for red when the yellow and light green rod is two? Brian and Jacquelyn

DescriptionIn the second clip from this classroom session, researcher Carolyn Maher posed a challenge. She asked the students to name the red rod if a train of yellow and light green was called two. The...

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TitleContinuing to explore fraction comparisons, Clip 3 of 7: Mark and Laura compare one half and three fourths

DescriptionIn the third clip, researcher Amy Martino then worked with Mark and Laura. Mark justified his solution using each model he built. The researcher asked Mark if he thought that a different model might...

25

1 Analytic found

TitleContinuing to explore fraction comparisons, Clip 2 of 7: Kimberly and Audra compare one half and three fourths

DescriptionIn the second clip, Kimberly and Audra worked together on the task: Which is larger one half or three fourths. Kimberly built a model using an orange and red train, two dark green rods, and four light...

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TitleContinuing to explore fraction comparisons, Clip 1 of 7: Gregory and Danielle compare two thirds and one half

DescriptionIn the first clip a visitor worked with Danielle and Gregory on the second task of comparing two third and one half. Danielle showed her using the twelve-centimeter long model, that three fourths was...

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1 Analytic found

TitleContinuing to explore fraction comparisons, Clip 5 of 7: Michael and Brian compare two third and three fourths

DescriptionIn the fifth clip Michael and Brian extended their model using the orange and red train to show thirds and twelfths in addition to fourths. They showed that the difference between two thirds and three...