Caesar Cipher

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Caesar Cipher

Description:

In this lesson, students will investigate the Caesar substitution cipher. Text will be encoded and decoded using inverse operations. In this lesson, students will investigate the Caesar substitution cipher. Text will be encoded and decoded using inverse operations.

Education Levels:

9, 10, 11, 12

Subject:

Algebra

Resource Type:

Lesson plan

Fee Status:

Free

Online provider:

National Council of Teachers of Mathematics (NCTM)

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Keywords:

Secret codes, Coded messages, Decoding, Encoding, Caesar cipher, Substitution ciphers

Mediator:

Secondary school teachers

Publisher:

NCTM Illuminations Summer Institute

Contributor:

Doug Schmid

Is Part Of:

http://illuminations.nctm.org/

Language:

English

Subjects/Topics

P21 Subject:

Mathematics

Learning Outcomes:

Conforms To

Principles and Standards for School Mathematics (2000)

Algebra Standard

Use mathematical models to represent and understand quantitative relationships

draw reasonable conclusions about a situation being modeled

Conforms To

Mathematics Curriculum Standards (2000)

Number and Operations

STANDARD III. Compute fluently and make reasonable estimates.

EXPECTATION A. Develop fluency in operations with real numbers, vectors, and matrices, using mental computation or paper-and-pencil calculations for simple cases and technology for more complicated cases.

This data provided by the Achievement Standards Network

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Caesar Cipher

Caesar Cipher

Subjects/Topics

Learning Outcomes:

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