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TitleEarly algebra ideas involving two variables, Clip 8 of 18: Sharing secrets for tables 2 through 5
DescriptionIn the eighth of 18 clips from Early Algebra Ideas Involving Two Variables on the second of two consecutive classroom sessions with the class of 6th grade students, individual students and pairs of...
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TitleEarly algebra ideas involving two variables, Clip 4 of 18: Scientists and the nature of secrets
DescriptionThe fourth of 18 clips from Early Algebra Ideas Involving Two Variables begins the second of two consecutive classroom sessions with the class of 6th grade students. Researcher Robert B. Davis opens...
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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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DescriptionIn the third of eight clips from this session, researcher Carolyn Maher asked the students what number name they would give the red rod if the green rod was called one. Beth said that the red rod...
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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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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,...
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DescriptionIn the second of eight clips from this session, researcher Carolyn Maher said, “Someone told me that the red rod is half as long as the yellow rod. What do you think?" Danielle responded that the...
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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 the second clip of this classroom session, researcher Carolyn Maher reminded the students about the “Candy Bar” problem that they had discussed in an earlier session. She showed the students a...
