David Deutsch and Benjamin Goldman
Susan G. Staples
In this article, we consider the generalization of a “solitaire checker puzzle” from the book More Joy of Mathematics, by Theoni Pappas (1991). In addition to presenting the solution to the general case, we shall also investigate the attractive patterns that emerge during the process of solving the puzzle, as well as in analyzing the minimal solutions of various cases.
Reinforce the difference between inductive and deductive reasoning using a small number of points around a circle.
Kasi C. Allen
In this favorite lesson, students must engage in cooperative problem solving and think outside the algebra box as they work to make sense of the Purple Milk problem.
Sarah A. Roberts and Jean S. Lee
Skyscraper Windows, a high cognitive demanding algebra task, addresses the Common Core State Standards for Mathematics.
Teo J. Paoletti
This historically significant real-life application of a cryptographic coding technique, which incorporates first-year algebra and geometry, makes mathematics come alive in the classroom.
Use popular culture to draw students' attention to mathematical topics.
Sarah K. Bleiler-Baxter, Sister Cecilia Anne Wanner O.P., and Jeremy F. Strayer
Explore what it means to balance love for mathematics with love for students.
Jonaki B. Ghosh
By engaging in recursive and explicit reasoning, students gain insight into the nature of fractal constructions.
Mark Pinkerton and Kathryn G. Shafer
An action research study focuses on the teaching strategies used to facilitate Problems of the Week.