Is mathematics already there, waiting to be discovered, or have we made it all up?

And how can we make maths fun for students to learn?

Photo by Sigmund on Unsplash

What do I mean? Well, let’s take a triangle. If you remember your maths rules, the internal angles of a triangle always add up to 180 degrees. Was that rule always existing, just waiting to be discovered, or have we simple observed the…