About Me (Bio):
Jeffrey E. Barrett is a Professor of Mathematics Education and also serves as an Associate Director of the Center for Mathematics, Science and Technology at Illinois State University. His primary research interests include the learning and teaching of the mathematics of measurement and geometry, the use of computer software to model mathematical ideas, and the professional development of teachers. Dr. Barrett is currently Principal Investigator of a four-year project, "Learning Trajectories to Support the Growth of Measurement Knowledge: Pre-K through Middle School", in collaboration with Douglas Clements and Julie Sarama at the University of Denver, Denver, CO, and Craig Cullen at Illinois State University. Prior work includes a four-year longitudinal project describing children's development of spatial measurement from Pre-Kindergarten through Grade 5, in collaboration with Clements and Sarama (2007-2012).