Effects of Understanding Relational Concepts between Duration, Distance and Speed on the Achievement of Math "Speed" in the 5th Grade

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In this paper, we tried to answer the following three questions : First, how do children acquire the qualitative relational concepts between duration, distance, and speed? Second, is there a relationship between the understanding of these relational concepts and the achievement in the math "speed" in elementary schools? Third, what would be suggested from the answers to Questions 1 and 2 in regard to the improvement in teaching of the math "speed"?

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