MT: April 2001, Volume 94, Issue 4

	Mathematics Teacher April 2001, Volume 94, Issue 4
	Articles

	Thinking and Writing Mathematically: "Achilles and the Tortoise" as an Algebraic Word Problem Joseph G.R. Martinez
	Kissing Pennies and Eating Pi David A. Buhl
	Exploring the Birthday Paradox Using a Monte Carlo Simulation and Graphing Calculators Matthew C. Whitney
	Discuss with Your Colleagues: Learning Mathematical Symbolism: Challenges and Instructional Strategies Rheta N. Rubenstein and Denisse R. Thompson
	Just Thinkin' of the Rain Charles E. Emenaker
	Discrete Dynamical Systems Meet the Classic Monkey-and-the-Bananas Problem Gerald E. Gannon and Mario U. Martelli
	Centroid of a Polygon-Three Views Thomas W. Shilgalis and Carol T. Benson
	Geometric Approaches to Quadratic Equations from Other Times and Places Patricia R. Allaire and Robert E. Bradley
	Pierre Varignon and the Parallelogram Theorem Peter N. Oliver

	Departments
	Reader Reflections
	Seeing How Money Grows James Metz
	April Calendar
	Media Clips Susanne K. Westegaard
	Call for Manuscripts: CASs and School Mathematics
	Technology Tips Lin McMullin and Daren Starnes
	Technology
	Publications
	Products
	Projects: PRIME-TEAM