Leonard N. Masse
A lesson which draws on events in Major League Baseball to illustrate the relationship between experimental and theoretical probability. Activity sheet, with answers, included.
Joyce W. Bishop, Albert D. Otto, and Cheryl A. Lubinski
A lesson in which students' thinking about geometric patterns can be used to help them develop algebraic reasoning and to make sense of mathematical notation and symbols.
Iris DeLoach Johnson
How some Portuguese preservice teachers are learning how to implement Standards-based teaching strategies.