Associate Professor

Department: School of STEM Engineering and Mathematics Division
Affiliate Faculty: School of Educational Studies

Room: DISC-352M
Phone: 425-352-3605
Box: 385838

Academic Interests:

Dr. Angotti's current research includes: investigating students' mathematical understandings in technological contexts; statistics education; teaching algebra from a functional perspective using multiple representations; and developing students' conceptual understandings of mathematics and preparing teachers to teach in ways that promote and support the development of conceptual understanding.

Teaching Activities at UWB:

BEDUC 391 Special Topics: Impact of Technology on Teaching and Learned
BEDUC 491 Special Topics: History of Math
BEDUC 566 Education & Technology
BEDUC 559 & 560 Curriculum, Instruction, and Assessment in Secondary Science and Mathematics I and II
BEDUC 591 Special Topics: Fostering Algebraic Reasoning
BEDUC 591 Special Topics: Fostering Geometric Reasoning

Professional Activities:

Psychology of Mathematics Education North American Chapter
Member of the Probability Working Group 2003-Present
National Council of Teachers of Mathematics
North Carolina Council of Teachers of Mathematics
Association of Mathematics Teacher Educators
Monograph Editor 2005-2006
Editorial Board Member 2006-2007
Phi Delta Kappa
Local Chapter Communications Officer 2005-2006
National Education Association

Honors and Awards:

National Board Certified Teacher, Adolescent & Young Adulthood Mathematics


Ph.D.: Mathematics Education, Minor: Statistics, North Carolina State University
M.A.: Mathematics, East Carolina University
B.S.: Mathematics, East Carolina University


Assistant Professor, Department of Math & Science Education, East Carolina University

Assistant Director, Center for Science, Math & Technology Education, East Carolina University

High School Mathematics Teacher, D.H. Conley High School, Greenville, NC

Varsity Swim Coach

High School Mathematics Teacher, West Craven High School, Vanceboro, NC

Math Team Coach


Book Chapters

Rider, R. L. & Lynch-Davis, K. (2006). Continuing the conversation on mathematics teacher education.  In K. Lynch-Davis & R. Rider (Eds.), The Work of Mathematics Teacher Educators: Exchanging Ideas for Effective Practice, Continuing the Conversation.  Monograph of the Association of Mathematics Teacher Educators (Vol. 3): AMTE.

Tarr, J. E., Lee, H.S., & Rider, R.L. (2006). When data and chance collide: Drawing inferences from simulation data. In G. Burrill (Ed.), National Council of Teachers' of Mathematics' 2006 Yearbook: Reasoning with Data and Chance (pp. 139-150). Reston, VA: National Council of Teachers of Mathematics.

Rider, R. L. (2000). NBPTS reflection. In A. Bullock & P. Hawke (Eds), Developing a Teaching Portfolio: A Guide for Pre-Service and Practicing Teachers (pp. 189-196). Merrill/Prentice Hall, Columbus Ohio.

Journal Articles

Rider, R. L. (2007). Technology tips: Creating interactive worksheets with TI-Interactive.  Mathematics Teacher, 100(9), 612-615.

Rider, R.L. (2007).  Shifting from traditional to non-traditional teaching practices using multiple representations. Mathematics Teacher, 100(7), 494-500.

Jeffs, T., Evrnenova, A., Warren, S. H., & Rider, R. L. (2006).  An action research study of computer-assisted instruction within the first-grade classroom. Assistive Technology Outcomes and Benefits, 3(1), 80-95.

James, L.E., Laatsch, S., Bossé, M.J., & Rider, R.L. (2006). Science center partnerships: Outreach to students and teachers.  The Rural Educator, Fall 2006, accessed online from, February 4, 2007. 

Did You Know?

UW Bothell has been designated a veteran-friendly campus by the Washington State Department of Veterans Affairs.