Ah, math. Take an easy problem we all studied in our teens, scale it up by just a couple of steps, and suddenly you’re facing ...

Explore daily insights on the USA TODAY crossword puzzle by Sally Hoelscher. Uncover expert takes and answers in our crossword blog.

Solving one of the oldest algebra problems isn't a bad claim to fame, and it's a claim Norman Wildberger can now make: The ...

A popular online math puzzle involves finding a missing number in triangles by using a simple addition rule. Engaging with ...

Brain teasers come in various shapes and forms, each designed to test our problem-solving skills. Whether it's counting ...

Once you've tracked down all the Sanctum Keys, your puzzle-solving down in the Inner Sanctum isn't quite finished. Now, you ...

A polynomial is a type of algebraic equation that involves variables raised to a non-negative power — for example, x² + 5x + ...

Many of us know older people “rattling around” a four- or five-bedroom home that a decade ago was a busy place full of noise and bustle. Now, with children gone to pursue their own lives, the ...

We all have times when we're shouldering the burden of a problem we can't solve right away. For example, you might receive a stressful letter on a Friday that requires calling a government office ...