Curated OER
Coin Codes
Students work on cracking coin codes in honor of the Navajo Code Talkers Medal. Students review the handout on Crack the Code. Students race to see who can crack the code the fastest.
EngageNY
Using Matrix Operations for Encryption
Data encryption is an important security measure for sensitive data stored on computers. Pupils learn how to utilize matrices for creating code. They also get a great review of matrix multiplication, inverse matrices, and the identity...