This article shares a viral missing number puzzle that tests your brain. Try to solve it first, then check the answer we have ...

The missing number is 1,620. The digits in the tens places (green in the figure below) of the numbers in columns 1, 2, 4 and 5 are added together. The total value is represented by the digits in the ...

I like sudoku as much as anyone, but a change of pace might be nice occasionally. Enter Sweet 16, a new math puzzle game. As the name suggests it involves the numbers 1 through 16, and it's a bit like ...

Puzzles9 shared a brain teaser with three pentagons, each with a set of five numbers. The middle pentagon is missing a number. To fill in the missing number, you must figure out the relationship ...

In recent years a number of clever coin-weighing or ball-weighing problems have aroused widespread interest. Here is a new and charmingly simple variation. You have 10 stacks of coins, each consisting ...

A math puzzle is a type of brain teaser that tests the reader's critical thinking and problem-solving skills by challenging them to solve a problem. These challenges have the potential to boost ...

It’s easy for kids to see math as an isolated activity. They might think of math as just counting, or adding, or something they do for 40 minutes a day at school. If we want kids to think like ...

In honor of the upcoming Super Bowl, here’s a math puzzle: Some scores cannot be achieved in American football without a safety or a two-point conversion — i.e., just using 3-point field goals and ...