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Karen Hollebrands


Alumni Distinguished Undergraduate Professor, University Faculty Scholar (2015-2020)

502F Poe Hall



Dr. Hollebrands joined the faculty at NC State in 2001. She earned her Ph.D. in Mathematics Education at The Pennsylvania State University. Prior to attending Penn State, Dr. Hollebrands taught high school mathematics in New York, Pennsylvania, and North Carolina. She earned her M.Ed. at North Carolina State University and B.S. at the State University of New York College at Oswego. Dr. Hollebrands' current interests include understanding students' mathematical understandings in technological contexts and preparing prospective and practicing teachers to incorporate technology into classroom instruction.

Over the past thirteen years, Dr. Hollebrands has been involved in several internally- and externally-funded research projects including RAMP-UP, PTMT, Scaling UP STEM Learning with the VCL, and MAP:TICCS. Dr. Hollebrands was inducted into the Academy of Outstanding Teachers at NC State in 2009, recipient of the Alumni Distinguished Undergraduate Professor in 2014 and is a former recipient of a Teacher of the Year award.

She has served in various leadership roles for NCTM, PME-NA, AMTE, and SIG-RME. She serves as a reviewer for NSF and several mathematics education research journals.


Ph.D in Curriculum & Instruction from The Pennsylvania State University in 2001
M.Ed. in Mathematics Education from North Carolina State University in 1995
B.S. in Secondary Education - Mathematics from SUNY-Oswego in 1989

Curriculum Vitae


Courses Taught

  • EMS 204 Introduction to Mathematics Education
  • EMS 470 Methods and Materials for Teaching Mathematics
  • EMS 471 Student Teaching
  • EMS 480/580 Teaching Mathematics with Technology
  • EMS 510 Interactions in the Mathematics Classroom
  • EMS 514 Geometric Thinking and Learning
  • EMS 581 Advanced Applications of Technology in Mathematics
  • EMS 711 Teaching and Learning of Mathematics in Secondary and Collegiate Mathematics

Research Areas