Welcome!

Welcome to our new Killygarry Maths blog. Come here regularly for tutorials, games, puzzles, competitions and more!
We'll be putting up weekly brain teasers and whoever solves them first will get the school maths award.

Here's the first one:

Why are some letters above the line and some below it? It's logics, not maths.
Post your answer as a comment. First one correct gets the first ever School Maths Award.