What Is Pi? (Grades 5-8)

This article is for students grades 5-8. What is Pi? Pi is a number. You might know it as 3.14 or the symbol π. But it’s way more than that! What Makes Pi Special? Pi is an irrational number. That means it goes on forever and it never repeats its sequence of numbers. Pi has […] The post What Is Pi? (Grades 5-8) appeared first on NASA Science.