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Arican, Muhammet – International Journal of Research in Education and Science, 2019
The purpose of this study was to examine four pre-service middle and high school mathematics teachers' understanding of the directly and inversely proportional relationships presented through hands-on and real-world missing-value word problems. The problems included single and multiple proportions, and the PSTs were provided with plastic gears and…
Descriptors: Preservice Teachers, Mathematics Teachers, Mathematics Instruction, Mathematical Concepts