Binary Code Message
In this binary code message, students convert numbers from binary numbers to base ten. This one-page worksheet contains 26 problems.
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Caesar Ciphers: An Introduction to Cryptography
Students brainstorm and discuss the concept of cryptography, the science of secrets in today's world and then focus on a system for sending secret messages used by Julius Caesar. They make a Caesar wheel assessing encrypting and...
8th - 10th English Language Arts