Brain teaser: Can you crack the code and find the missing number in the triangle? A popular online math puzzle involves finding a missing number in triangles by using a simple addition rule ...

By carefully observing and analyzing the pattern of activity in the brain, researchers have found that they can tell what number a person has just seen. They can similarly tell how many dots a ...

Imagine a number lock with a three-digit code, and you're given five clues to crack it open. First, one digit is in the correct spot. Second, one digit is right, but it's in the wrong place.

This puzzle game tests mathematical skills and logical thinking as players embark on a journey to unlock a treasure hidden in an uncharted cave. The challenge involves solving a number puzzle with ...

Can they crack your code if they “intercept” your message? Extra: What if the person who intercepts your message knows about Caesar ciphers? Does that make it easier to crack the code?

Put your code-breaking skills to the test and see if you can beat the clock and open the safe in time. Each letter corresponds to a number, but the numbers associated with two of the letters are ...