What is one of the key competencies tested in the Mathematics OSAT?

The ability to solve problems using mathematical reasoning and concepts is a key competency tested in the Mathematics OSAT because it reflects a deep understanding of how to apply mathematical principles to real-world situations. This involves not just knowing formulas, but being able to analyze a problem, identify relevant mathematical concepts, and apply them effectively to arrive at a solution.

This competency indicates that a candidate can engage with mathematical thinking, demonstrating skills such as critical thinking, reasoning, and problem-solving. These skills are essential for educators, as they form the basis for teaching students how to navigate complex mathematical problems themselves.

The other options, while related to mathematics, do not capture the essential problem-solving aspect that is core to the Mathematics OSAT. Reciting formulas or having a basic knowledge of geometry and algebra does not necessarily indicate the ability to apply mathematics in a practical or reasoning context. Understanding mathematical history, while useful, is not a primary focus of the competencies assessed.