Blogs, Education at Home, Fun and Games

Valentine’s Day Teaching Ideas

We discuss fun and educational Valentine’s Day themed activities for the home and the classroom.

Blogs, Quizzes

Geometry Quiz: How well do you know geometry?

Try to answer these 5 geometry questions to see how well you know geometry!

Blogs, Mathematical Reasoning, Proofs

Double the Size of that Altar

We describe the circumstances that led to the problem of antiquity of doubling a cube. We then show that, using only straight-edge and compass, that this is impossible.

Blogs, Symmetry

Da Vinci’s Theorem.

We show that the set of symmetries of any polygon is isomorphic to the set of symmetries of a regular polygon. This is a result attributed to Leonardo da Vinci.

Blogs, Symmetry

Symmetry of regular polygons

We determine how regular polygons are symmetrical.