Curated OER
Calculator Tricks: The Golden Prediction
Excite the class with a mathematical trick, a calculator, and a good number sense. They use the directions provided on each slide to make a list of numbers, use their calculator to divide, and find the golden mean. A little history on...
Curated OER
Preparation and Transition to Two-Column Proofs
Students investigate proofs used to solve geometric problems. For this geometry lesson, students read about the history behind early geometry and learn how to write proofs correctly using two columns. The define terminology valuable to...
Curated OER
Exploring Special Lines
Students compare and order numbers. In this geometry lesson, students write equations for inequalities. They differentiate and apply concepts of triangular properties to solve problems.
University of St. Andrews (UK)
University of St. Andrews: Euclid of Alexandria
Provides information on Euclid's accomplishments as a mathematician.
![Euclid and the Elements [Pdf] Handout](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Euclid and the Elements [Pdf] Handout")
Other
Euclid and the Elements [Pdf]
A brief biographical sketch of Euclid contained in an extensive discussion of his Elements.
Other
Alexandria: A Historical Outline
The Hellenic Electronic Center offers extensive information about Alexandria starting with its founding by Alexander to contemporary times. Describes the achievements of the city and its decline because of other sea routes for trade.
Famous Scientists
Famous Scientists: Euclid
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.
University of St. Andrews (UK)
University of St. Andrews: Hypsicles of Alexandria
This mathematician is remembered for his work on regular polyhedra. You can find more about the works of Hypsicles and other mathematicians at this site.
TED Talks
Ted: Ted Ed: How to Prove a Mathematical Theory
Explore mathematical proofs and how they are used in our everyday life with this animated video. [4:39]