Christmas Computation Challenge - KS3 Computational Thinking Puzzles.

4 pages of Computational Thinking puzzles and geeky fun. Most of the contents are from cs4fn.org and shared with permission. Some cartoons from xkcd.com. If they liked Bebras they will like this.

Level: KS3, possibly upper KS2 Duration 2-3 hour homework Teaches: Problem Solving, Computational Thinking