Curated OER
Pythagoras' Theorem
Students are introduced to the Pythagoras' Theorem and its history, proofs and practice in application. Students find perimeters, areas and volume of everyday objects. Students state and explain the theory.
Curated OER
Flying with Pythagoras
A lengthy narrative about Pythagoras and his young scholars precedes an activity in which your young mathematicians practice using the Pythagorean theorem to solve three problems about flight and distance. Answers are provided.
Curated OER
Explore the Mathematics of the Explorers
Columbus and other explorers relied upon mathematical calculations using the Earth, stars, and ships speeds.
Other
Ancient Greek Philosophy: Democritus of Abdera
A discussion of the theories of Democritus (c. 460-370 BC). He is best known as an atomist, having developed an atomic theory. Also discusses the ideas of other philosophers who are believed to have influenced Democritus.
Other
The Basics of Philosophy: Zeno of Elea
Looks at the life of Zeno of Elea (c. 490 - 430 B.C.) and at his paradoxes, of which eight survived. His ideas were at odds with Aristotle, who disagreed with him. Many philosophers have grappled with his paradoxes, and even today, some...