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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...

32

3 Analytics found

TitleEarly algebra ideas involving one variable, Clip 1 of 11: Open sentences that can be made True or False with Legal or Illegal substitutions

DescriptionIn the first of eleven clips from the first day of the Early Algebra Ideas sessions, the researcher, Robert B. Davis, introduces ideas about algebraic equations with one variable and truth sets to a...

33

2 Analytics found

TitleEarly algebra ideas involving one variable, Clip 4 of 11: Working on equations two and three

DescriptionIn the fourth of eleven clips from the first day of the Early Algebra Ideas 6th grade class sessions, the students work in small groups to find and record solutions for the first two of a series of...

34

2 Analytics found

TitleEarly algebra ideas involving one variable, Clip 3 of 11: Introducing quadratic equations and solving equation one

DescriptionIn the third of eleven clips from the first day of the Early Algebra Ideas 6th grade class sessions, researcher Robert B. Davis builds on the idea about equations with one variable and integers...

35

TitleEarly algebra ideas involving one variable, Clip 2 of 11: Introducing integers with pebbles in the bag

DescriptionIn the second of eleven clips from the first day of the Early Algebra Ideas 6th grade class sessions, the researcher, Robert B. Davis, models adding positive and negative integers to a class of 6th...

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TitleEarly algebra ideas involving one variable, Clip 5 of 11: Solving equation four

DescriptionIn the fifth of eleven clips from the first day of the Early Algebra Ideas 6th grade class sessions, the students work together to find the truth set for equation four on the worksheet recorded...

37

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...

38

2 Analytics found

TitleEarly algebra ideas involving one variable, Clip 6 of 11: Trying to complete truth sets for equations two through eight

DescriptionIn the sixth of eleven clips from the first day of the Early Algebra Ideas 6th grade class sessions, the researcher, Robert B. Davis, challenges students to try to find more than one value for each of...

39

2 Analytics found

TitleNumber Line Models and Placing Numbers on the Big Number Line, Clip 2 of 4: Discussion of Meredith’s Number Line Models

Date Created1993

DescriptionThis is the second in a series of four clips from this session. The students discuss Meredith’s placement of fractions on a number line. Erik conjectures that a person would be confused with all...

40

2 Analytics found

TitleNumber Line Models and Placing Numbers on the Big Number Line, Clip 1 of 4: Meredith’s Number Line Models

Date Created1993

DescriptionThis is the first in a series of four clips from this session, which begins with the researcher, Carolyn Maher, placing a transparency with Meredith's number line models on the overhead projector. ...