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Khan Academy

Khan Academy: Bitwise Operators

For Students 9th - 10th
These practice questions will assess your knowledge of bitwise operators.
Article
Khan Academy

Khan Academy: Programming Case Study: Going Beyond the Ka Curriculum

For Students 9th - 10th
To give fellow teachers ideas for how they can teach the KA curriculum in a classroom setting, they created case studies. Here's how software engineer-turned-teacher Jenny Oliver builds upon the curriculum in her classroom.
Lesson Plan
Other

Curiosity in the Classroom: Principles of Encryption [Pdf]

For Teachers 9th - 10th
In a world where people are sharing information every second online, securing that information is paramount. In this lesson students will understand the principle of encryption, how to decode encryption, and how to construct ciphers. The...
Activity
Braingle

Braingle: Cryptography Brain Teasers

For Students 9th - 10th
Test your critical thinking skills with a variety of cryptography brain teasers, phrases or expressions "encoded in some way." Solve the teasers provided at this site, and submit your own for others to try!