Unit Plan
University of California

Euclidean Geometry

For Teachers 9th - 12th
Go back to where it all began! Investigate how axiomatic systems and Euclidean geometry are based on undefined terms, common notions, postulates, and propositions by examining passages from Euclid's Elements. (Social studies teachers...
Unit Plan
New York City Department of Education

Designing Euclid’s Playground

For Teachers 10th Standards
Create a geometric playground. Pupils work through a performance task to demonstrate their ability to use geometric concepts to solve everyday problems. The accompanying engineering design lessons show teachers how the assessment works...
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.
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...
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...
Unit Plan
Cuemath

Cuemath: Euclidean Geometry

For Students 9th - 10th Standards
Explore the world of Euclidean geometry by understanding euclidean and non-euclidean geometry, the postulates and axioms, and how to apply them while solving problems. Check-out the solved examples for better understanding and try your...
Unit Plan
TED Talks

Ted: Ted Ed: How to Prove a Mathematical Theory

For Students 9th - 10th
Explore mathematical proofs and how they are used in our everyday life with this animated video. [4:39]

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