Social Studies-Map Skills
I find that doing cardinal directions is easy. I find it easy because all the knowledge you require to do it, is knowing how to read the compass rose and to know your basic directions. I also found that doing the oceans continents and titles easy. Because, when I was younger I made it a fact to know where all my favorite countries (and oceans) are on the globe.
I found that (for me) coordinates and map key legend were hard to learn. In fact I still have little to no skill in those two things whatsoever. I think that those give me a harder time because it requires much more knowledge on geography than just knowing North, South, East and West. that and I think it requires a better understanding in math, which isn't something I specialize in. But I will figure it out before the topic switches. Sooner or later.
But overall, I know that map skills are very important. For example if you get lost in the woods while camping and you just so happen to have a compass, then you could find your way back to wherever you need to go. Or, when you need to find a place on a map for your Social Studies class you can find it easier.