Tony McCaffrey and Percival G. Matthews
icon-based equations can provide multiple entry points into algebraic thinking
and formal algebraic notation.
E. Paul Goldenberg and Cynthia J. Carter
A first-year algebra student’s curiosity about factorials of
negative numbers became a starting point for an extended discovery lesson into
territory not usually explored in secondary school mathematics.
Christina W. Lommatsch
Four components of a project (research, design, oral
presentation, and technical report) teach students to interact better with the
material and improve their technical communication skills.
Shortcomings in the traditional PEMDAS approach to teaching
the order of operations suggest a classroom-tested alternative, suitable for advanced
students, that conforms more closely to the intuitions of experienced
practitioners of mathematics.
Barbara J. Dougherty, Sarah B. Bush, and Karen S. Karp
times what is taught in one grade can “expire” when students face topics and
situations that are more sophisticated in the grades that follow.