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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Hits 1 – 19 of 19 1 PUP Math: Gang of four Harvard-Smithsonian Center for Astrophysics. - : Annenberg Learner, 2000 BASE Show details 2 Comparing fractions, a whole class debate, Clip 2 of 5: Remembering the candy bar Maher, Carolyn Alexander (Researcher). - : Robert B. Davis Institute for Learning, 1993 BASE Show details 3 Discovering equivalent fractions and introducing fraction notation, Clip 2 of 5: David and Meredith compare one half and two thirds Martino, Amy Marie (Researcher); Maher, Carolyn Alexander (Researcher). - : Robert B. Davis Institute for Learning, 1993 BASE Show details 4 Comparing fractions and evaluating models that represent solutions, Clip 1 of 8: Writing assignment, reviewing solutions Maher, Carolyn Alexander (Researcher); Davis, Robert B. (Robert Benjamin) (Researcher); Martino, Amy Marie (Researcher). - : Robert B. Davis Institute for Learning, 1993 BASE Show details 5 Reviewing rod relationships and the candy bar problem, Clip 3 of 6: What is the number name for red when the yellow and light green rod is two? A whole class discussion Maher, Carolyn Alexander (Researcher). - : Robert B. Davis Institute for Learning, 1993 BASE Show details 6 Introducing fraction equivalence and an exploration of fraction comparison, Clip 3 of 4: Proportional Reasoning Continued Martino, Amy (Researcher); Phillips, Joan (Teacher). - : Robert B. Davis Institute for learning, 1993 BASE Show details 7 Reviewing rod relationships and the candy bar problem, Clip 1 of 6: Whole class review of number name problems Maher, Carolyn Alexander (Researcher). - : Robert B. Davis Institute for Learning, 1993 BASE Show details 8 Fractions, Grade 4, Clip 3 of 4: Multiple models to represent one half Martino, Amy (Researcher); Phillips, Joan (Teacher). - : Robert B. Davis Institute for learning, 1993 BASE Show details 9 PUP Math Brandon interview Harvard-Smithsonian Center for Astrophysics. - : Annenberg Learner, 1993 BASE Show details 10 Introducing fraction equivalence and an exploration of fraction comparison, Clip 4 of 4: Finding the number name for the difference between one half and one third Martino, Amy (Researcher); Phillips, Joan (Teacher). - : Robert B. Davis Institute for learning, 1993 BASE Show details 11 Fraction as number, an introduction, Clip 1 of 8: Assigning number names to rods Maher, Carolyn Alexander (Researcher). - : Robert B. Davis Institute for Learning, 1993 Abstract: This 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, students were introduced to Cuisenaire rods, which they would begin to use as tools for building models to represent fractions as numbers. In the first of eight clips from this session, the researcher posed the first task to the students. She said, “I claim that the light green rod is half as long as the dark green rod. What do you think? What would you do to convince me”? The students proceeded to use the rods to model the problem. The researcher asked Erin to respond. Erin, who had not used rods before, replied that it was true, and reasoned directly by putting two light green rods next to the dark green rod and showing that they were equal in length. Next, the researcher asked the students to name the light green rod if the dark green rod was called one and Kelly and the rest of the class agreed that it would be called one half. ; Transcript and student work are also available. ; Robert B. Davis Institute for Learning. (1993). Fraction as number, an introduction, Clip 1 of 8: Assigning number names to rods [video]. Retrieved from Keyword: 3-5; 4; Classroom; Classroom view; Communication; Comparing fractions; Connections; Critical thinking in children--New Jersey--Case studies; Cuisenaire rods; Direct reasoning; Fraction as number; Fractions; Learning; Manipulatives (Education)--Case studies; Mathematics education; Mixed; Number and operations; Operations with fractions; Physical models; Presentation view; Problem solving; Psychology of--Case studies; Public school; Reasoning and proof; Representation; Sample of human subjects; Side view; White URL: http://hdl.rutgers.edu/1782.1/rucore00000001201.Video.000067409 BASE Hide details 12 Introducing Fraction Equivalence and an Exploration of Fraction Comparison, Clip 2 of 4: An introduction to proportional reasoning. Martino, Amy (Researcher); Phillips, Joan (Teacher). - : Robert B. Davis Institute for learning, 1993 BASE Show details 13 Fractions, Grade 4, Clip 2 of 4: Additive vs. multiplicative reasoning Maher, Carolyn Alexander (Researcher); Martino, Amy (Researcher); Phillips, Joan (Teacher). - : Robert B. Davis Institute for learning, 1993 BASE Show details 14 Fraction problems, Sharing and number lines, Clip 3 of 3: Sharing strategies Maher, Carolyn Alexander (Researcher); Phillips, Joan (Teacher). - : Robert B. Davis Institute for learning, 1993 BASE Show details 15 Comparing fractions and evaluating models that represent solutions, Clip 4 of 8: Comparing one half and one third, different number names for the white rod Maher, Carolyn Alexander (Researcher); Davis, Robert B. (Robert Benjamin) (Researcher). - : Robert B. Davis Institute for Learning, 1993 BASE Show details 16 Reviewing rod relationships and the candy bar problem, Clip 5 of 6: Comparing one half and one third, part 1 Maher, Carolyn Alexander (Researcher). - : Robert B. Davis Institute for Learning, 1993 BASE Show details 17 Fraction as number, an introduction, Clip 3 of 8: Permanent color names and flexible number names for rods Maher, Carolyn Alexander (Researcher). - : Robert B. Davis Institute for Learning, 1993 BASE Show details 18 Fraction problems, Sharing and number lines, Clip 1 of 3: Sharing candy bars, Introducing the problem Maher, Carolyn Alexander (Researcher). - : Robert B. Davis Institute for learning, 1993 BASE Show details 19 PUP Math Towers of Hanoi Harvard-Smithsonian Center for Astrophysics. - : Annenberg Learner, 1993 BASE Show details

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