👉 Learn how to identify angles from a figure. This video explains how to solve problems using angle relationships between parallel lines and a transversal. We'll determine the solution given, ...

“Don’t mess with Texas”: visitors to the second biggest US state have no doubt seen this phrase on everything from T-shirts to belt buckles. Politically, it has become the unofficial slogan of ...

👉 Learn how to identify angles from a figure. This video explains how to solve problems using angle relationships between parallel lines and transversal. We'll determine the solution given, ...

David Cutler is in the spotlight for his work on a tasty-sounding mathematics problem. In January, the New York Times featured a research paper authored by Cutler and Neil Sloane, the founder of The ...

Six-time USA Memory champion Nelson Dellis has memorized hundreds of digits of pi. He has tips for how to improve your memory.

Mental math shortcuts suggest future STEM performance—and gender is a significant predictor What is 29 + 14?