Rotation (Drawing class)

Ok so this time in drawing class, what we did was to pick a partner and draw them face first then slanting, and after that, use the drawings from the first two to try and guess how they look with your backs toward them. 

Basically, your trying to draw someone without seeing them and using your first drawings as a guideline 

Here's how I fared. Don't really like this one. I know I can do better, but it's just practice to be honest. Oh yeh and out partner would turn again and then we'd be able to look at them and draw