Closed but provocative questions: curves enclosing unit area
Foster, Colin (2014) Closed but provocative questions: curves enclosing unit area. International Journal of Mathematical Education in Science and Technology, 46 (5). pp. 776-783. ISSN 0020-739X
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This article describes a task leading to work on curve sketching, simultaneous equations and integration to find the area enclosed between two curves. An initial closed question is used to confront students with a provocative answer, which they then explore in a much more open-ended way.
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