School level

# 18th May

## 18th May: Code-Making and Code-Breaking

Students of all Post-Primary levels need to have an understanding of statistics and probability. These activities in code-making and code-breaking provide a real life application of many of the aspects of this strand, one which your students will find engaging.

Many thanks to Simon Singh for providing permission to upload worksheets and activities directly to scoilnet on this occasion. These worksheets reference the interactive CD-ROM but can also be easily used with the Black Chamber website linked below.

Web Resources
Activities
Explanatory Videos

### The Black Chamber

https://www.simonsingh.net/The_Black_Chamber/index.html Added: 15 May 2020 Contributor: PDST Resource type: Guide/notes / Project / Tool / Other

From the Author of the Code Book, Simon Singh, an interactive website that can accompany the documents in this resource bank

JC Mathematics
TY TY Core Subjects
SC Mathematics

#### How it maps to the curriculum

JC
Mathematics

Strand: 5. Statistics and Probability

Suggestions for use: Bar Charts, Tallies, Frequency Tables, Common Factors, History of Maths, Problem Solving

TY
TY Core Subjects

Strand: Mathematics

Suggestions for use: Bar Charts, Tallies, Frequency Tables, Common Factors, History of Maths, Problem Solving

SC
Mathematics

Strand: 1. Statistics & Probability

Suggestions for use: Bar Charts, Tallies, Frequency Tables, Common Factors, History of Maths, Problem Solving, Probability, Permutations and combinations

Asset type: Online Resource
Language: English
Special Needs:

### simonsingh.net

https://simonsingh.net/cryptography/ Added: 15 May 2020 Contributor: PDST Resource type: Guide/notes / Reference

An overview of Simon SIngh's resources for Crytography including a link to the downloadable CD-ROM. Unfortunately the CD_ROM is not compatible with Win 7 and after but all of the printable activities have been uplaoded here with permission.

JC Mathematics
TY TY Core Subjects
SC Mathematics

#### How it maps to the curriculum

JC
Mathematics

Strand: 5. Statistics and Probability

Suggestions for use: Bar Charts, Tallies, Frequency Tables, Common Factors, History of Maths, Problem Solving

TY
TY Core Subjects

Strand: Mathematics

Suggestions for use: Bar Charts, Tallies, Frequency Tables, Common Factors, History of Maths, Problem Solving, Probability, Permutations and combinations

SC
Mathematics

Strand: 1. Statistics & Probability

Suggestions for use: Bar Charts, Tallies, Frequency Tables, Common Factors, History of Maths, Problem Solving, Probability, Permutations and combinations

Asset type: Online Resource
Language: English
Special Needs:

### Cryptography Resources

https://www.singingbanana.com/teachers/ Added: 15 May 2020 Contributor: PDST Resource type: Guide/notes / Project / Reference

Dr James Grime's, from the Enigma Project, website with cryptography activites and links.

JC Mathematics
TY TY Core Subjects
SC Mathematics

#### How it maps to the curriculum

JC
Mathematics

Strand: 5. Statistics and Probability

Suggestions for use: Bar Charts, Tallies, Frequency Tables, Common Factors, History of Maths, Problem Solving

TY
TY Core Subjects

Strand: Mathematics

Suggestions for use: Bar Charts, Tallies, Frequency Tables, Common Factors, History of Maths, Problem Solving, Probability, Permutations and combinations

SC
Mathematics

Strand: 1. Statistics & Probability

Suggestions for use: Bar Charts, Tallies, Frequency Tables, Common Factors, History of Maths, Problem Solving, Probability, Permutations and Combinations

Asset type: Online Resource
Language: English
Special Needs:

### Guide to the resources from Simon Singh's Codebook CD-ROM

These resources have been developed to try and utilise the fantastic potential for doing cryptography in the classroom (particularly the maths classroom!) They cover a wide range of ages and abilities.
Many thanks to Simon Singh for providing permission to upload worksheets and activities directly to scoilnet on this occasion.

JC Mathematics
SC Mathematics
TY TY Core Subjects

#### How it maps to the curriculum

JC
Mathematics

Strand: 5. Statistics and Probability

Strand unit: 3. Statistical Investigations

Suggestions for use: Bar Charts, Tallies, Frequency Tables, Common Factors, History of Maths, Problem Solving

SC
Mathematics

Strand: 1. Statistics & Probability

Suggestions for use: Bar Charts, Tallies, Frequency Tables, Common Factors, History of Maths, Problem Solving

TY
TY Core Subjects

Strand: Mathematics

Suggestions for use: Bar Charts, Tallies, Frequency Tables, Common Factors, History of Maths, Problem Solving

Asset type: Document
Language: English
Special Needs:

### Frequency Analysis for Codebreaking

https://www.scoilnet.ieuploads/resources/33029/32773.doc Added: 15 May 2020 Contributor: PDST Resource type: Guide/notes / Lesson Plan / Worksheet / Activity

Student activities and teaching notes for lesson on using simple statistics to break codes

JC Mathematics
SC Mathematics
TY TY Core Subjects

#### How it maps to the curriculum

JC
Mathematics

Strand: 5. Statistics and Probability

Suggestions for use: Bar Charts, Tallies, Frequency Tables, Common Factors, History of Maths, Problem Solving

SC
Mathematics

Strand: 1. Statistics & Probability

Suggestions for use: Bar Charts, Tallies, Frequency Tables, Common Factors, History of Maths, Problem Solving, Probability, Permutations and combinations

TY
TY Core Subjects

Strand: Mathematics

Suggestions for use: Bar Charts, Tallies, Frequency Tables, Common Factors, History of Maths, Problem Solving, Probability, Permutations and combinations

Asset type: Document
Language: English
Special Needs:

### Introduction to Code Breaking

https://www.scoilnet.ieuploads/resources/33030/32774.doc Added: 15 May 2020 Contributor: PDST Resource type: Guide/notes / Lesson Plan / Worksheet / Activity

Cryptography Code Making Code Breaking Statistics Probability Problem Solving

JC Mathematics
TY TY Core Subjects

#### How it maps to the curriculum

JC
Mathematics

Strand: 5. Statistics and Probability

Suggestions for use: Bar Charts, Tallies, Frequency Tables, Common Factors, History of Maths, Problem Solving

TY
TY Core Subjects

Strand: Mathematics

Suggestions for use: Bar Charts, Tallies, Frequency Tables, Common Factors, History of Maths, Problem Solving

Asset type: Document
Language: English
Special Needs:

### Affine Cipher

https://www.scoilnet.ieuploads/resources/33031/32775.doc Added: 15 May 2020 Contributor: PDST Resource type: Guide/notes / Lesson Plan / Worksheet / Activity

An introduction to Polyalphabetic Substitution
Cryptography Code Making Code Breaking Statistics Probability Problem Solving

TY TY Core Subjects
SC Mathematics

#### How it maps to the curriculum

TY
TY Core Subjects

Strand: Mathematics

Suggestions for use: Bar Charts, Tallies, Frequency Tables, Common Factors, History of Maths, Problem Solving, Probability, Permutations and combinations

SC
Mathematics

Strand: 1. Statistics & Probability

Suggestions for use: Bar Charts, Tallies, Frequency Tables, Common Factors, History of Maths, Problem Solving, Probability, Permutations and combinations

Asset type: Document
Language: English
Special Needs:

### Introduction to the Enigma Code

https://www.scoilnet.ieuploads/resources/33033/32777.doc Added: 15 May 2020 Contributor: PDST Resource type: Guide/notes / Lesson Plan / Worksheet / Activity

Exploring the Maths behind the WWII Enigma Code used by the German Forces.

TY TY Core Subjects
SC Mathematics

#### How it maps to the curriculum

TY
TY Core Subjects

Strand: Mathematics

Suggestions for use: Cryptography Code Making Code Breaking Statistics Probability Problem Solving

SC
Mathematics

Strand: 1. Statistics & Probability

Strand unit: 2. Concept of Probability

Suggestions for use: History of Maths, Problem Solving, Probability, Permutations and combinations

Asset type: Document
Language: English
Special Needs:

### More Code Breaking Activities

https://www.scoilnet.ieuploads/resources/33034/32778.doc Added: 15 May 2020 Contributor: PDST Resource type: Worksheet / Activity

Four extra activities for all levels

JC Mathematics
TY TY Core Subjects
SC Mathematics

#### How it maps to the curriculum

JC
Mathematics

Strand: 5. Statistics and Probability

Suggestions for use: Problem Solving Probability Statistics

TY
TY Core Subjects

Strand: Mathematics

Suggestions for use: Problem Solving Probability Statistics

SC
Mathematics

Strand: 1. Statistics & Probability

Suggestions for use: Problem Solving Probability Statistics

Asset type: Document
Language: English
Special Needs:

### Activites and Resources for Crytography

Even more activities and resources to explore cryptography

JC Mathematics
TY TY Core Subjects
SC Mathematics

#### How it maps to the curriculum

JC
Mathematics

Strand: 5. Statistics and Probability

Suggestions for use: Cryptography Code Making Code Breaking Statistics Probability Problem Solving

TY
TY Core Subjects

Strand: Mathematics

Suggestions for use: Cryptography Code Making Code Breaking Statistics Probability Problem Solving

SC
Mathematics

Strand: 1. Statistics & Probability

Suggestions for use: Cryptography Code Making Code Breaking Statistics Probability Problem Solving

Asset type: Document
Language: English
Special Needs:

### Guide to the Enigma Code

http://periodicvideos.blogspot.com/2013/01/the-enigma-collection.html Added: 15 May 2020 Contributor: PDST Resource type: Audio / Video

Dr James Grime of the Enigma Project describes Enigma

TY TY Core Subjects
SC Mathematics

#### How it maps to the curriculum

TY
TY Core Subjects

Strand: Mathematics

Suggestions for use: Bar Charts, Tallies, Frequency Tables, Common Factors, History of Maths, Problem Solving, Probability, Permutations and combinations

SC
Mathematics

Strand: 1. Statistics & Probability

Suggestions for use: Bar Charts, Tallies, Frequency Tables, Common Factors, History of Maths, Problem Solving, Probability, Permutations and combinations

Asset type: Video
Language: English
Special Needs:

### Caesar Shift Video

https://youtu.be/sMOZf4GN3oc Added: 15 May 2020 Contributor: PDST Resource type: Audio / Video

A description of the Caesar Shift code

JC Mathematics
TY TY Core Subjects

#### How it maps to the curriculum

JC
Mathematics

Strand: 5. Statistics and Probability

Suggestions for use: Bar Charts, Tallies, Frequency Tables, Common Factors, History of Maths, Problem Solving

TY
TY Core Subjects

Strand: Mathematics

Suggestions for use: Bar Charts, Tallies, Frequency Tables, Common Factors, History of Maths, Problem Solving

Asset type: Video
Special Needs:

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