Student Project . . The NASA Pi Day Challenge Jet Propulsion Laboratory https://www.jpl.nasa.gov/ Last Updated: Feb. 27, 2025 Subject Math Time Required 1-2 hrs Grade Levels 4-12 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. But did you know pi is also used all the time by NASA scientists and engineers to explore other planets? In this challenge, you can solve some of the sa