Handout
Other

Euclid and the Elements [Pdf]

For Students 9th - 10th
A brief biographical sketch of Euclid contained in an extensive discussion of his Elements.
Handout
Math Open Reference

Math Open Reference: Biography of Euclid

For Students 9th - 10th
Biography of Euclid, a Greek Mathematician, also known as the 'Father of Geometry'.
Website
Wolfram Research

Wolfram Math World: Euclid: The Elements

For Students 6th - 8th
The classic treatise in geometry written by Euclid is presented in English. It is the textbook used for more than 1,000 years in western Europe.
Article
University of St. Andrews (UK)

University of St. Andrews: Euclid of Alexandria

For Students 9th - 10th
Provides information on Euclid's accomplishments as a mathematician.
Handout
Wolfram Research

Wolfram Math World: Euclid's Postulates

For Students 9th - 10th
This site from MathWorld.com provides a listing of the postulates of Euclid and a brief discussion on the validity of the fifth postulate.
Handout
Wolfram Research

Wolfram Math World: Euclid's Theorems

For Students 9th - 10th
This site from MathWorld.com provides a description of the theorems of Euclid and his theories of prime and composite numbers.
Lesson Plan
National Council of Teachers of Mathematics

The Math Forum: Euclid's Geometry: History and Practice

For Teachers 9th - 10th
This is a set of four lessons on Euclid's Elements. The lessons include a short history, assignments, essay questions and a quiz.
Unit Plan
Clark University

Clark University: Euclid's Elements

For Students 9th - 10th
A review of the 13 books of Euclid's "Elements" text can be found here. Each of the chapters are broken down into definitions, propositions, and common notations that are used throughout this overview.
Handout
Other

The Mathematical Elements of Euclid

For Students 9th - 10th
An extensive discussion of the Elements, which contains all the geometrical knowledge available in the Hellenistic period.
Unit Plan
TED Talks

Ted: Ted Ed: Euclid's Puzzling Parallel Postulate

For Students 9th - 10th
Euclid, known as the "Father of Geometry," developed several of modern geometry's most enduring theorems--but what can we make of his mysterious fifth postulate, the parallel postulate? Jeff Dekofsky shows us how mathematical minds have...
eBook
Mathigon

Mathigon: Euclidean Geometry: Euclid's Axioms

For Students 9th - 10th Standards
This lesson focuses on Euclid's Axioms, simple, intuitive statements, that everyone agrees are true. An axiom(or postulate) is a mathematical statement that is regarded as "self-evident" and accepted without proof. A key part of...
Handout
Other

Life of Euclid

For Students 9th - 10th
General information about the life and writings of Euclid.
Article
Famous Scientists

Famous Scientists: Euclid

For Students 9th - 10th
Learn about the Greek scientist best known as the author of the Elements, the oldest book consisting of geometrical theorems which is considered to be a standard for logical exposition.
Handout
Wolfram Research

Wolfram Math World: Euclid's Algorithm

For Students 9th - 10th
This site from Mathworld.com provides a very detailed description of Euclid's algorithm of common divisors and a method of finding the greatest.
Handout
Dartmouth College

Dartmouth College: The Different Styles of Euclid and Copernicus

For Students 9th - 10th Standards
A history of the differences between Euclid's and Copernicus's methods of proving geometric ideas.
Handout
Cut the Knot

Cut the Knot!: Pythagoras' Theorem

For Students 9th - 10th
This site explains the Pythagorean theorem, giving a proof from Euclid, and gives a great interactive visual aid with a good explanation with it.
Article
University of Oregon

University of Oregon: Greek Science: Early Cosmology

For Students 9th - 10th
Discusses the evolution of ideas about the cosmos, from the Magic Cosmology of the Neolithic age to the stage of Mythical Cosmology, to the Geometric Cosmology of the ancient Greeks. The third stage advocated a rational approach to...
Graphic
Curated OER

Math Open Reference: Biography of Euclid

For Students 9th - 10th
Biography of Euclid, a Greek Mathematician, also known as the 'Father of Geometry'.
Graphic
Curated OER

University of St Andrews: Euclid Father of Geometry

For Students 9th - 10th
This site, which is provided for by the University of St Andrews , gives a biography of Euclid as well as details of his contributions to mathematics.
Graphic
Curated OER

Euclid

For Students Pre-K - 1st
An image of Euclid.
Unit Plan
Wolfram Research

Wolfram Math World: Point

For Students 9th - 10th
The term point is discussed, including its difficulty in being defined. This MathWorld site uses Euclid's "slippery" definition of a point, referring to the geometric point in n-space. The site also explains that point is commonly used...
Graphic
Curated OER

The Different Styles of Euclid and Copernicus

For Students 9th - 10th
A history of the differences in Euclid and Copernicus--their methods of proving geometric ideas.
Graphic
Curated OER

The Different Styles of Euclid and Copernicus

For Students 9th - 10th
A history of the differences in Euclid and Copernicus--their methods of proving geometric ideas.
Graphic
Curated OER

The Different Styles of Euclid and Copernicus

For Students 9th - 10th
A history of the differences in Euclid and Copernicus--their methods of proving geometric ideas.

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