Most people know just one way to multiply two large numbers by hand. Typically, they learned it in elementary school. They’re often surprised to find that there are a variety of ways to do ...

Still, be sure to also teach students the common denominator approach, since they don’t need to flip and multiply fractions in order to divide and conquer them.

We live in the era of big data. The huge volume of information we generate daily has major applications in various fields of science and technology, economy and management. For example, more and more ...