This video introduces the concepts about integers. Integers are numbers that do not have fractional components. It includes positive integers, negative integers, and zero.
A number line is also in the discussion in the video in order to explain how to compare the value of integers. An integer if is at the right of on the number line. As we go to the right hand side of the number line, the value of the integers become larger. As we go to the left hand side, the value of the numbers become smaller.