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 ...

Imagine Jo: Everyone in Jo's life recognizes her as an outstanding problem solver. She's the type of person who seems capable of almost anything. Jo excels at intuitive problem-solving. Over her life, ...

Critical thinking is all about embracing clear, logical, and innovative thought to make wise choices! In our rapidly changing world, learning this skill helps people in so many ways. Whether you’re a ...