McCoppin
Alley: Resources for Mathematics Teachers , with Perriann McCoppin
and Deborah Frank-Alley. Summer 1998.
Real Roots
of Cubic Polynomials , with Joseph Roma. Spring 1999.
Solving
the Scramble Squares Puzzle , with Kevin Burger, Jason Downing, and
Stuart Kilzer. Summer 2001.
Studying Mathematical
Induction and Recursive Programming Together , with Margaret Richey. Spring 2003.
Using Recursion to Study the Pill Problem,
with Kaleb Waite. Summer 2008.