I've been trying to teach my students the difference between shapes and forms. I knew I wanted to do a lesson with 5th grade focused on the illusion of form through creating value and when I found out that our Family Fun Night (an event that bring several hundred students and their families to the building) theme would be "Sportacular", I decided to use the spheres found in sports as inspiration. Really, it makes sense. Balls are something tangible that the students are very familiar with…