Maurice J. Burke
A tool that combines the power of computer algebra and traditional spreadsheets can greatly enhance the study of recursive processes.
Zhonghong Jiang and George E. O’Brien
Using technology to explore the Three Altitudes of a Triangle problem, students devise many proofs for their conjectures.
Harold Reiter, Arthur Holshouser, and Patrick Vennebush
This method for counting lattice octagons strengthens students’ counting skills and geometrical thinking.
Alex Friedlander and Abraham Arcavi
Integrating procedures and thinking processes makes learning more meaningful.
Anna E. Baccaglini-Frank
In this activity, students learn to make conjectures about properties that do not change.
Jonathan Dick and Maria Childrey
With the Common Core State Standards’ emphasis on transformations, teachers need a variety of approaches to increase student understanding.