These Proceedings are a written record of the research presented at the 35th Annual Meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education (PME-NA 2013) held in Chicago, Illinois, November 14-17, 2013. The theme of the conference is Broadening Perspectives on Mathematics Thinking and Learning. The Proceedings include papers from 1 plenary talk, 2 panel presentations, 68 research reports, 121 brief research reports, 208 posters, and 14 working groups. Chapters include:(1) Plenary Papers; (2) Curriculum and Related Factors; (3) Early Algebra, Algebra, and Number Concepts; (4) Geometry and Measurement; (5) Math Processes; (6) Statistics and Probability; (7) Student Learning and Related Factors; (8) Teacher Education and Knowledge; (9) Teaching and Classroom Practice; (10) Technology; (11) Theory and Research Methods; and (12) Working Groups. Individual papers include references. [Individual plenary and research papers are available in ERIC.]