National Council of Teachers of Mathematics
The Math Forum: Euclid's Geometry: History and Practice
This is a set of four lessons on Euclid's Elements. The lessons include a short history, assignments, essay questions and a quiz.
University of St. Andrews (UK)
University of St. Andrews: Non Euclidean Geometry
The University of St. Andrews in Scotland provides an excellent site explaining Non-Euclidean geometry.
Clark University
Clark University: Euclid's Elements
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.
Dartmouth College
Dartmouth College: The Different Styles of Euclid and Copernicus
A history of the differences between Euclid's and Copernicus's methods of proving geometric ideas.
Curated OER
Math Open Reference: Biography of Euclid
Biography of Euclid, a Greek Mathematician, also known as the 'Father of Geometry'.
Curated OER
Math Open Reference: Biography of Euclid
Biography of Euclid, a Greek Mathematician, also known as the 'Father of Geometry'.
Curated OER
University of St Andrews: Euclid Father of Geometry
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.
Math Open Reference
Math Open Reference: Constructions
Learn about drawing shapes using only a compass and straight edge or ruler with out measuring any lengths or angles.
Curated OER
Educational Technology Clearinghouse: Clip Art Etc: Euclid
Euclid, a great mathematician, wrote the first systematic textbook on geometry.