Clock Arithmetic and Cryptography

Pupils perform basic operations in modular (clock) arithmetic. Students encode and decode messages using shift and affine ciphers. Pupils apply their multiplication, division, addition, and subtraction skills.

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Resource Details

Grade
2nd - 5th
Subjects
Arithmetic & Pre-Algebra
1 more...
Resource Type
Lesson Plans
Duration
2 hrs
Instructional Strategy
Skills Practice
Usage Permissions
Creative Commons
BY-NC: 3.0
cc