From the time he was a child, NC State College of Education Associate Professor Cesar Delgado, Ph.D., was fascinated by the concept of infinity and by the idea of the existence of objects that are too small to perceive, yet can impact lives.
That fascination has persisted into his career, where he has spent years researching students’ knowledge and learning of the magnitude of variables, including spatial and temporal scale.
“I love that scale is at the interface of science and math and that technology is required to both scientifically study and learn about very small and very large phenomena,” Delgado said. “Representing sizes requires math skills, thus scale is an integrated STEM topic.”
Delgado has authored and co-authored studies on students’ understanding of size and scale and on interdisciplinary learning and assessment, modeling and…