CSTA K-8 Computer Science - Building a Solid Foundation: This document is a comprehensive look at K-8 CS. You will find dozens of articles offering a variety of perspectives and examples of implementation and engagement for younger students.
Computer Science Unplugged: A series of lessons that teach CS concepts without a computer. Suitable for K8+ and includes a teacher's edition that focuses on K-5.
Traveling Circuits: Lesson plans for activities that teach computer science concepts without the use of a computer. Suitable for K8+
Computer Science for Fun:Site explores how computer science is also about people, solving puzzles,creativity, changing the future and, most of all, having fun. Reinforces computer science concepts without the use of a computer. Suitable for 5-8+