Pi Day Informational Text & Quiz | History of Pi | Irrational Numbers | Pi vs 22/7 | Math Reading Comprehension Grade 5, Grade 6, Grade 7, Grade 8, 5th Grade, 6th Grade, 7th Grade, 8th GradeLooking for a rigorous Pi Day activity that actually teaches real math?This middle school informational text explores the mathematical definition of π, irrational numbers, Archimedes, William Jones, Euler, and the difference between Pi Day (3/14) and Pi Approximation Day (22/7) — plus a complete quiz and answ