In 1867, French mathematician Pierre Ossian Bonnet proved something that seemed like common sense: if you know how far apart ...

Take the pressure off of problem-solving with engaging thinking games that encourage students to work together to find ...

So, this brain teaser can be solved by only a genius within Seven Seconds. A Brain Teaser is a type of puzzle that is used to ...

A brain teaser challenge is a type of IQ test that mostly involves solving a puzzle, cracking a code, finding a hidden object ...

Brain teasers are fun little puzzles that make you think in different ways. They might look simple at first, but they often ...

Solve the math puzzle from our February 2026 issue, where we plan a return passage for a robotic explorer that doesn’t want ...

Jefferson Middle School sixth-graders on Team Endeavor received a visit from JCC math professors Rick Rupprecht and Patrick Anderson. The professors helped Jefferson students develop their math skills ...

Here, count with me: 1, 2, 3, 4, 5, 6, 7, 8, 9, T, 11, 12 … Oh, what’s that? You write ten with “zero”? Fair enough. Zero, we have been told, is the ...

A man walks down a down-moving escalator and reaches the bottom after taking 50 steps. As an experiment, he then runs up the same escalator, one step at a time, and reaches the top after taking 125 ...