Looking for an engaging and meaningful Pi Day STEM activity? Perfect for middle or high school Pi Day activities, this hands-on challenge blends math, engineering, and creativity while reinforcing real-world applications of π and volume. In this Pi Day Challenge, students act as engineers for a local bakery and design a cylindrical pie pan that holds exactly 500 mL of “pie filling” — even though different pans can have different radii and heights. The Challenge A bakery wants every pie to co