Barefoot Computing is an excellent Free resource that supports schools with embed Computing Science across the curriculum.
The site has lesson plans, materials and posters that can be downloaded and used in the classroom.
The poster below gives a nice overview of the Concepts and Approaches used in Computational Thinking.
Click on the poster to download your own from the Barefoot Computing website.
For more information and to access the Barefoot Computing website, please click on the link below.