Your assignment here is to download the provided assignment, and mirror the images provided.

So much of drawing is keeping it intuitive and methodical. This particular exercise is trying to get you guys to learn about comparative measurement. Once you're able to guarantee a shape is in the right spot every time, you'll easily be able to draw anything from observation. Once you get everything in its proper place, adding everything else is just a walk in the park. 

This whole part of the course is deceptively simple, don't over complicate it and try not to get frustrated. Good luck!