Books, Papers and other Writing

Books
Workshops and Presentations
 Slides from sessions at 2023 Northwest Mathematics Conference
 Slides from sessions at 2022 Northwest Mathematics Conference
 Slides from sessions at 2019 Northwest Mathematics Conference
 Slides from sessions at 2014 Northwest Mathematics Interaction Summer Workshop
 Slides from sessions at 2013 Northwest Mathematics Conference
 Slides from sessions at 2013 Northwest Mathematics Interaction Summer Geometry
 Slides from sessions at 2013 Northwest Mathematics Spring Workshop
 Slides from COMET panel at 2013 Joint Math Meetings, San Diego
 Slides from Park City Math Institute panel at 2012 Joint Math
Meetings, Boston
 Slides from Workshop at 2011 National NCTM meeting: Cutting and Taping: Dissection and Special Ratios in Geometry
 Notes from Workshop at NCTM National Meeting 2009: Ratios in Geometry
 Slides from 2010 presentation on "Traditional Algebra" at Puget Sound Council of Teachers and
elsewhere.
 Materials from sessions at 2007 Northwest Mathematics Conference
 Constructions with Compass Alone
 Cutting Up and Taping Together,a workshop about the Golden Ratio,
composing larger and larger special triangles from smaller ones, observing Fibonacci numbers in possibly unexpected ways. Below
are masters of the triangles to print on card stock and then tape together like a jigsaw puzzle. Also some answers.
 Lectures at ProfMath 1998, Guimarães, Portugal