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
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.
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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'.
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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.
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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...
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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.
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

Educational Technology Clearinghouse: Clip Art Etc: Euclid

For Students 9th - 10th
Euclid, a great mathematician, wrote the first systematic textbook on geometry.
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Curated OER

Euclid

For Students Pre-K - 1st
An image of Euclid.
Graphic
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Curated OER

Educational Technology Clearinghouse: Clip Art Etc: Euclid

For Students 9th - 10th
(c. 250 B.C.) Greek Mathematician.
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Curated OER

[Figure From I.22]

For Students 9th - 10th
General information about the life and writings of Euclid.
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Curated OER

[Figure From I.47]

For Students 9th - 10th
General information about the life and writings of Euclid.
Graphic
Curated OER

[Figure From Ii.5]

For Students 9th - 10th
General information about the life and writings of Euclid.
Graphic
Curated OER

[Figure From Ii.13]

For Students 9th - 10th
General information about the life and writings of Euclid.
Graphic
Curated OER

[Figure]

For Students 9th - 10th
General information about the life and writings of Euclid.
Graphic
Curated OER

[Figure From Iii.16]

For Students 9th - 10th
General information about the life and writings of Euclid.
Graphic
Curated OER

[Figures From Iii.20, Iii.21, Iii.37]

For Students 9th - 10th
General information about the life and writings of Euclid.
Graphic
Curated OER

[Figure From Vi.29]

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

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