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All About Code

Navajo Code TalkerstStudents in grades 3 – 5 learn how alphanumeric symbols can be encoded for many fun purposes. In the first of two sessions, they learn about codes by making their own with a limited number of symbols. They then attempt to break each other’s codes and discover the relationship among encryption, decryption, and shared keys.

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Lesson: Bits & Binary

binaryIn this activity, students in grades 4 – 12 will do math like a computer. They will learn the basics of binary number systems by writing and then counting on their hands, and use their knowledge to decode numbers and letters.

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