Margaret McQuain and Linda Powers
Department of Mathematics
Virginia Tech
Blacksburg, VA 24061-0123
E-mail: powers@math.vt.edu

ABSTRACT

The Rule of 4, examining a concept symbolically, numerically, graphically, and verbally, is prominent in reform calculus. As a result, writing is being introduced more and more into math classes as a way to get students to explore an idea verbally. At Virginia Tech several ways we do this are:


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