Computational Thinking for Youth in Action (2011) This is an early paper of Computational Thinking that has a lot of traction. It's where we first describe the Use-Modify-Create trajectory.
Math Basics for StarLogo Nova This handout explains left and right degrees, x and y coordinates, and headings in StarLogo Nova.
An Example of CT in the Workplace This is an example of how a computer modeler uses various aspect of computational thinking while designing, creating and using a computer model as a tool to think with.