BrainPOP UK - PI HD

In this educational, animated video for students aged 7-14 Tim and Moby explain where the concept of pi comes from, what ratio it represents, and why all circles have it in common. You’ll also find out why we use a Greek letter to represent the number, what an irrational number is, and why irrational numbers can’t be written as fractions. Best of all, you’ll learn how to use pi to calculate the circumference and area of a circle. Those ancient Greeks knew a thing or two! More resources can be found at www.brainpop.co.uk