Atara Shriki
Trying to
find where pirates buried a treasure leads to a surprising answer, multiple
solutions, and a discussion of problem solving.
Seán P. Madden and Dean Allison
Students use graphing technology to verify that the vertices of a family of parabolic trajectories trace an ellipse.
Sheldon P. Gordon
Draw back the curtain on button pushing and see how polynomials can approximate sinusoidal functions.
Carol J. Bell
Illustrating mathematical statements through the use of pictures—proofs without words—can help students develop their understanding of mathematical proof.