World Pi Day 2024 Activities. Pi day is not only a fun way to indulge in delicious pies but also an opportunity to explore the fascinating world of mathematics through creative projects and activities. Explore fun pi day activities for middle school and high school math students to celebrate!

Find the illustrated answer keys here. You may already know all about the mathematical constant pi (π) and how it can be used to calculate things like the circumference of a circle or the volume of a sphere.