Find hands-on learning of computer science concepts (often without technology) with this collection of free learning activities including interactives and puzzles. All materials are through Creative Commons licenses for easy copying, sharing, and personal adaptation. Download all activities for free in a book download or explore individual activities by topic, and then download in PDF format available in several languages. Other options include videos to view individually or by topic on activity pages. Topics covered include Binary numbers, Images Representation, Text Compression, Information Theory, Searching and Sorting Algorithms, Routing and Deadlocks, and Cryptography, among others. Also, check out the section for teachers under the Community tab. This section includes many additional resources and learning programs. The videos are in English, French, Swedish, Korean, and Chinese. If your district blocks YouTube, the videos may not be viewable.

tag(s): computational thinking (42), computers (106), cryptography (5), data (147)