us1Mathematics Education Associates is the point of contact for Dr. David A. Thomas and Dr. Cynthia S. Thomas, now semi-retired mathematics educators. During our careers we

  • Taught at the intermediate, middle, high school, & university levels
  • Won and directed ~$7M in grants & contracts for mathematics education projects
  • Gave 100+ presentations at mathematics education meetings
  • Published scores of proceedings papers, scholarly articles, and books
  • Won prestigious state and national teaching and R&D awards

We are interested in K-12 mathematics teacher preparation, enhancement, and mathematics technology implementation. We welcome inquiries from individuals, school districts, and universities engaged in mathematics education. We may be reached via

  • Mail: 1701 17th Ave So, Great Falls, MT 59405
  • Web:
  • Email:
  • Skype:
  • Phone: 406-403-5895





Selected Papers, Presentations, Etc.

  • MCTM 2019 presentation here
  • Jacobsen Koepke, D., Thomas, D., & Manning, A. (2019). Fatal Encounters. Research in Social Sciences and Technology, 4(1), 30-50.  here
  • NCTM 2019 presentation   here
  • Signature Montana article about me  here
  • ICEMST 2018 Proceedings Paper here & PowerPoint Presentation here
  • Mathematics Education in South Africa: Many Perspectives, Many Voices. Education Research Highlights in Mathematics, Science and Technology 2017, 32.     here
  • Six Weeks in Kathmandu: Reflections of a Fulbright Specialist. AMTE Connections, 27(1), 2017.    here
  • Searching for significance in unstructured data: Text mining with Leximancer. European Education Research Journal, 13(2), 2014.     here
  • Number & Operations for Teachers      here
  • Geometry for Teachers     here
  • The mathematics of perspective: An introduction to the cross ratio. On-Math: Online Journal of school mathematics, 2(2), 2003. Reston, VA: National Council of Teachers of Mathematics.      here
  • Modern geometry (2002). Brooks Cole Publishing Company. Pacific Grove, California. ISBN 0-534-36550-7.    here
  • Fulbright Scholar  visit to South Africa here

cover    here