Clock Arithmetic and Cryptography

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

Concepts

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cryptography

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Additional Tags

clock arithmetic, cryptography, math

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Resource Details

Grade

2nd - 5th

Subjects

Math

2 more...

Resource Type

Lesson Plans

Audience

For Teacher Use

Duration

2 hrs

Instructional Strategy

Skills Practice

Usage Permissions

Creative Commons

BY-NC: 3.0