Curated OER
Clock Arithmetic and Cryptography
Students explore the concept of modular arithmetic and cryptography. In this modular arithmetic and cryptography lesson, students use applets to explore modular arithmetic using a clock and Caesar Ciphers. Students exchange their ciphers...
Curated OER
Modular Arithmetic
Learners investigate modular arithmetic and how to use it to solve real world problems. In this modular arithmetic activity, students use computers to work on modular arithmetic after a teacher guided activity. They complete guided...
Curated OER
Applications of Modular Arithmetic
In this modular arithmetic activity, students use modular ten arithmetic to create Universal Product Code. This two-page activity contains seven problems.