Caesar Ciphers: An Introduction to Cryptography

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Caesar Ciphers: An Introduction to Cryptography

Description:

In this lesson, students learn about cryptography, the science of secrets. Students analyze the strengths and weaknesses of the Caesar cypher and use this analysis to both compromise the system and improve it.

Education Levels:

6, 7, 8

Subject:

Mathematics

Resource Type:

Lesson plan

Fee Status:

Free

Online provider:

Purdue University

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Keywords:

Secret codes, Cryptography, Encryption, Ciphers, Encoded messages, Caesar Ciphers

Mediator:

Middle school teachers

Publisher:

Purdue University Discovery Park

Contributor:

JoAnn Ward, Lance Bryant

Is Part Of:

http://www.purdue.edu/discoverypark/gk12/

Language:

English

Learning Outcomes:

Learning Outcomes:

Conforms To

Indiana's Academic Standards 2000 in Mathematics (2000)

Standard 7: Problem Solving

Students make decisions about how to approach problems and communicate their ideas.

Decide when and how to divide a problem into simpler parts.

Conforms To

Indiana's Academic Standards 2000 in Mathematics (2000)

Standard 7: Problem Solving

Students make decisions about how to approach problems and communicate their ideas.

Analyze problems by identifying relationships, telling relevant from irrelevant information, identifying missing information, sequencing and prioritizing information, and observing patterns.

Conforms To

Indiana's Academic Standards 2000 in Mathematics (2000)

Standard 7: Problem Solving

Students use strategies, skills, and concepts in finding and communicating solutions to problems.

Make and test conjectures by using inductive reasoning.

Conforms To

Indiana's Academic Standards 2000 in Mathematics (2000)

Standard 7: Problem Solving

Students use strategies, skills, and concepts in finding and communicating solutions to problems.

Select and apply appropriate methods for estimating results of rational-number computations.

Conforms To

Indiana's Academic Standards 2000 in Mathematics (2000)

Standard 7: Problem Solving

Students use strategies, skills, and concepts in finding and communicating solutions to problems.

Apply strategies and results from simpler problems to more complex problems.

Conforms To

Indiana's Academic Standards 2000 in Mathematics (2000)

Standard 7: Problem Solving

Students use strategies, skills, and concepts in finding and communicating solutions to problems.

Express the solution clearly and logically by using the appropriate mathematical terms and notation. Support solutions with evidence in both verbal and symbolic work.

Conforms To

Indiana's Academic Standards 2000 in Mathematics (2000)

Standard 7: Problem Solving

Students use strategies, skills, and concepts in finding and communicating solutions to problems.

Recognize the relative advantages of exact and approximate solutions to problems and give answers to a specified degree of accuracy.

Conforms To

Indiana's Academic Standards 2000 in Mathematics (2000)

Standard 7: Problem Solving

Students make decisions about how to approach problems and communicate their ideas.

Make and justify mathematical conjectures based on a general description of a mathematical question or problem.

This data provided by the Achievement Standards Network

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