School level

Surjective, Injective, Bijective Functions

Collection is based around the use of Geogebra software to add a visual stimulus to the topic of Functions. Each resource comes with a related Geogebra file for use in class or at home.

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Injective, Surjective & Bijective Functions
Vertical Line Test
Horizontal Line Test

Injective Surjective and Bijective Functions

https://www.scoilnet.ieuploads/resources/23998/23721.pptx Added: 11 Aug 2017 Contributor: Culan O'Meara Resource type: Presentation

Powerpoint presentation of three different types of functions: Injective, Surjective and Bijective with examples

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How it maps to the curriculum

SC
Mathematics

Strand: 5. Functions

Strand unit: 1. Functions

Suggestions for use: Use to introduce Leaving Cert students to the concepts of injective, surjective and bijective functions. Use in conjunction with related Geogebra files to view and show graphical examples

Asset type: Presentation
Language: English
Rights: Attribution-Noncommercial Creative Commons
Special Needs:


Injective and Surjective Functions

https://www.khanacademy.org/math/li...-and-injective-one-to-one-functions Added: 04 Aug 2017 Contributor: Culan O'Meara Resource type: Demonstration / Audio / Video / Presentation

Khan Academy Video that introduces you to the special types of functions called Injective and Surjective functions

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How it maps to the curriculum

SC
Mathematics

Strand: 5. Functions

Strand unit: 1. Functions

Suggestions for use: Use to introduce students to injective and surjective functions at Leaving Cert Higher Level

Asset type: Online Resource
Language: English
Rights: Attribution-Noncommercial Share Alike Creative Commons
Special Needs:


Supporting Resources


Recap of Functions and Visual Examples of Vertical Line Test

https://www.scoilnet.ieuploads/resources/23938/23661.pptx Added: 04 Aug 2017 Contributor: Culan O'Meara Resource type: Presentation

Quick recap of function terminology and introduction to how to use Vertical line test to determine whether a relation is a function or not

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How it maps to the curriculum

SC
Mathematics

Strand: 5. Functions

Strand unit: 1. Functions

Suggestions for use: Use as an refresher when starting with Functions topic at Leaving Cert Higher Level. Also useful to see some visual examples of using the Vertical Line Test

Asset type: Presentation
Language: English
Rights: Attribution-Noncommercial Creative Commons
Special Needs:


Supporting Resources


Using Horizontal Line to Test Injective and Surjective Functions

https://www.scoilnet.ieuploads/resources/23999/23722.pptx Added: 11 Aug 2017 Contributor: Culan O'Meara Resource type: Presentation

Graphical examples of using Horizontal Line Test to check for injectivity and surjectivity

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How it maps to the curriculum

SC
Mathematics

Strand: 5. Functions

Strand unit: 1. Functions

Suggestions for use: Use to demonstrate how to easily check functions for injectivity and surjectivity with Leaving Cert students. Use in conjunctions with related Geogebra files

Asset type: Presentation
Language: English
Rights: Attribution-Noncommercial Creative Commons
Special Needs:


Resources have been uploaded and collected by Mathematics teacher, Culan O'Meara

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