S. Asli Özgün-Koca, Michael Todd Edwards, and Michael Meagher
The Spaghetti Sine Curves activity, which uses GeoGebra applets to enhance student learning, illustrates how technology supports effective use of physical materials.
Jeffrey J. Wanko and Jennifer V. Nickell
Shapedoku puzzles combine logic and spatial reasoning with an understanding of basic geometric concepts.
Natalya Vinogradova
Using estimation helps increase numerical fluency and gives meaning to large numbers.
Wendy B. Sanchez
Educating students—for life, not for tests—implies incorporating open-ended questions in your teaching to develop higher-order thinking.
Jon D. Davis
Using technology to explore the coefficients of a quadratic equation leads to an unexpected result.