Learn how to share Polypad canvasses to Mathigon classes. Polypad is the world's most comprehensive and intuitive collection of virtual manipulatives, and is completely free to use. Try them out at https://polypad.org/. For more tutorials and resources, including free lesson plans, visit https://mathigon.org/learn Polypad and Mathigon are part of the Amplify portfolio of math resources. Visit https://amplify.com/ to learn more!