International Perspectives: The Triple Jump: A Potential Area for Problem Solving and Investigation
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Many teachers comment that interesting appucations of ratio are hard to find. Teachers also find that many students have difficulty with proportional reasoning in general, and ratio in particular. In this article, I talk through a process that led to the discovery of the role of ratios and percentages in discussions about triple jump performances, and to a range of tasks that provide important information about students' understanding of key concepts in mathematics.
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