Dr. Emma Chen, a renowned mathematician, has set the international math community abuzz with her latest numerical sequence puzzle. This challenging brain teaser has stumped even the most brilliant ...

Students in Melissa Williams' kindergarten class at the Westminster School in Atlanta, Georgia, practice connecting quantities to written numbers — a key part of number sense. Credit: Holly Korbey for ...

A brain teaser is like a fun little challenge for your mind. It’s a puzzle or riddle which is designed to make you think ...

A variation of a puzzle called the “pick-up sticks problem” asks the following question: If I have some number of sticks with random lengths between 0 and 1, what are the chances that no three of ...