If there are nine people in a room and every person shakes hands exactly once with each of the other people, how many handshakes will there be? How can you prove your answer is correct using a model ...

Shari Bye's doctoral dissertation focuses on students and "non-routine" problem solving, in which the student focuses on reasoning, not just memorization. When a problem is presented, solvers must ...

The ability to solve maths picture puzzles, especially when timed, is a good measure of your logical and pattern recognition skills. Solving maths puzzles requires you to be mentally sharp and agile ...