# piday

Teachers: Celebrate in your classroom!

Challenge your students to use pi to solve some of the same problems our scientists and engineers face while exploring other worlds. Answer key is available on March 15. Slice into our https://t.co/07d3us4Whh

729 2679

is tomorrow! We've got decorations & activities covered: free downloads! https://t.co/0MnaFyNARD

594 1197