Math is, by definition, a subject about numbers. But at the National Council of Teachers of Mathematics this week, math educators said the subject has its own language, too—and knowing how to speak it ...

The study of the application of mathematical principles to domains outside of mathematics itself. Although the branches of mathematics within this categorization change with time, applied mathematics ...

As a math teacher, I have always taught my students that definitions are important. They must be precise and unambiguous. It is impossible to have a valid proof that will be accepted by others unless ...