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 ...

As a kindergarten teacher, Julie Sugarman is well acquainted with being pulled in different directions all day. While she and her best friend and colleague, fellow kindergarten teacher Mary Ruppert, ...

Why are problem solving games for kids crucial factor in their development? In order to understand why it is important, we firstly have to know what problem solving is. It is defined as ‘the process ...

The term "computer" used to be applied to humans that performed calculations by hand. It's still important for today's kids to still know how to, say, multiply without using their calculators (or ...