1

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...

2

1 Analytic found

TitleDivision of Fractions, Clip 1 of 3: How Many One Twelfths are in One?

DescriptionAmy Martino introduced division of fractions by asking students to describe how many white rods equal an orange and red train. She then asked the students to name the white rod if the orange and red...

3

1 Analytic found

TitleDivision of Fractions, Clip 3 of 3: A Whole Class Discussion About Number Sentences

DescriptionAmy Martino leads a whole class discussion during which they talk about ways of writing number sentences for two problems: 1) How many one sixths are in one? and 2) How many one twelfths are in one?...

4

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...

5

2 Analytics found

TitleComparing fractions and evaluating models that represent solutions, Clip 2 of 8: Comparing one half and one third, Jessica and Erik

DescriptionIn the second clip from this session, researcher Carolyn Maher asked the students if they felt confident to justify their solution to the problem: Which is larger, one half or one third, and by how...

6

2 Analytics found

TitleContinuing to explore fraction comparisons, Clip 6 of 7: Erik and Alan compare one half and three fourths

DescriptionIn the sixth clip Erik and Alan worked on the task: Which is larger, one half or three fourths. Erik showed, using the orange and red train as one, that the difference between the two fractions was...

7

1 Analytic found

TitleContinuing to explore fraction comparisons, Clip 7 of 7: Erik and Alan compare two third and three fourths

DescriptionIn the seventh clip, Erik and Alan worked to extend their model using the orange and red train to show fourths and halves. They concluded that three fourths was larger than two thirds by one twelfth....

8

1 Analytic found

TitleFraction as number, an introduction, Clip 1 of 8: Assigning number names to rods

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,...

9

2 Analytics found

TitleFraction as number, an introduction, Clip 7 of 8: Erik and Alan pose problems as partners

DescriptionIn clip seven, researcher Carolyn Maher told the students to use the remaining class time to challenge their partners with problems using the rods. Erik asked Alan, “If a light green was one third,...

10

1 Analytic found

TitleFraction as number, an introduction, Clip 5 of 8: What is the unit?

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...