Proportional Reasoning

Proportional Reasoning 1 Dr Shelley Dole Dr Tony Wright School of Education Professor Doug Clarke Patrick Campus Proportional Reasoning Introduction Many topics within the school mathematics and science curriculum require knowledge and understanding of ratio and proportion. In mathematics, for example, problem solving and calculation activities in domains involving scale, probability, percent, rate, trigonometry, equivalence, measurement, the geometry of plane shapes, algebra are assisted through ratio and proportion knowledge. In science, calculations for density, molarity, speed and acceleration, force, require competence in ratio and proportion.

2 Proportional reasoning is being able to make comparisons between entities in multiplicative terms. This means that the relationship between the two entities is conceptualised

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