Two teachers use homemade pendulums for their students to explore phase shift in sine curves. The use of Desmos’s Activity Builder enabled students to become mathematical explorers and supported their sense of mathematical agency.
Conceiving Phase Shift as Time Travel
Jeffrey Connelly and Pablo Garcia
It’s a Wrap: A New Dimension for Sinusoids
Anna Wan and Jessica Ivy
An activity connects the features of sinusoid curves to tangible manipulatives printed on a 3D printer.