Description: Learn about even and odd numbers, how to figure out if a number is even or odd, and what happens when you add them. What I'm going to introduce you to in this video is a way to classify numbers as either being even, or being odd. Well an even number is one where if you had that many doughnuts, you could split it evenly between two people. Four doughnuts, you could split that evenly with two people.*Teacher Advisor is 100% free.