1. Getting Started (1:19m)
Teacher: Tanya Sanchez
Lesson begins within the context of a problem. A ladder demonstration allows student to observe angles at various positions.
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2. Student Exploration (3:22m)
The knowledge students have of how a ladder works allows them to observe the height to distance relationship.
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3. Interviews (3:17m)
The teacher focuses on the relationship of how the angle changes when the ladder moves. The project director reflects on this type of student exploration.
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4. Student Discussion (1:44m)
Students discuss what happens when the ladder moves. The teacher summarizes.
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5. Student Work (3:44m)
Students solve problems: if given 2 measures, the height and distance or the angle measurement, they can predict the missing measure.
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6. Teacher Reflection (1:21m)
Teacher reflects on the importance of group work for support, a means of assessment, and a way to expose the class to a large set of problems.
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7. Interview, Project Director Meg Meyer (1:20m)
The project director remarks on variation of measurement when using measure tools on enlarged graph paper.
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8. Teacher Dialogue (4:00m)
Teacher uses a model to demonstrate and relate the data to the math problem. She summarizes and connects back to the original ladder problem.
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9. Interview, Teacher Tanya Sanchez (0:32m)
Teacher gives a testimonial for the Mathematics in Context program.
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