For many Americans, hearing that the U.S. will stop producing pennies feels a bit surreal. This coin lived in pockets, jars, ...

More about the shapes that can be made with complex dominoes ...

During D.C. Public Schools’ Family Math Night, parents got a firsthand look at how to help their students with math concepts ...

Taking lessons outside can help elementary students feel more connected to and excited about the content they’re learning.

1. Fast and Slow Piles. This works well as a starting or closing activity. Students sort math fact cards into fast and slow piles. This visual way of tracking facts highlights which facts come ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Dirt from Trump’s ballroom project was trucked to a D.C. golf course. Why? Everyone obsessed with Billie Eilish's net worth right now for key reason Secret Service finds 17 'skimming' devices in tour ...

A TKer subscriber recently pointed out that if your investment is down 20%, then you’d need a 25% gain from the current level to return to the initial level. For example, if your investment of $100 ...