Rotations via Quaternions and Interpolation
    Paul Raymond Bouthellier, University of Pittsburgh-Titusville

Ray-based Tomography: An application for linear algebra
    Murphy Waggoner, Simpson College

Visualizing Discrete Dynamical Systems  
    Thomas W Polaski, Winthrop University

A geometric view of orthogonal diagonalization of symmetric matrices
    Robert L. Sachs, George Mason University

A nickel and dime example for motivating a variety of linear algebra concepts
    David Strong, Pepperdine University

I am the Alpha, I am the Omega
    Aldo R Maldonado, Park University

What Educational Portal of International Linear Algebra Society (ILAS) can do
    Kim Kyung-Won, Sungkyunkwan University

Mobile Sage-Math for Linear Algebra and its Application
    Sang-Gu Lee, Sungkyunkwan University

An Evaluation of Students' Experiences in a Technology-based Linear Algebra Course
    Karsten K. Schmidt, Schmalkalden University of Applied Sciences, Germany

Eigenvalues first? Teaching linear algebra with computation, then application, then theory
    Jason Grout, Drake University

Interviews to Assess Vocabulary and Understanding
    Steven M Hetzler, Salisbury University

Detailing an Innovative, Student-Centered Instructional Sequence that Builds from Students' Intuitive Understandings of Vector to Formal Definitions of Span and Linear Dependence
    Megan J. Wawro, San Diego State University and University of California, San Diego

Inverting the Linear Algebra Classroom
    Robert Talbert, Franklin

The Second Undergraduate Level Course in Linear Algebra
    Steven J Leon, University of Massachusetts Dartmouth