Channel: Math and Science

Category: Education

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Description: View more at MathAndScience.com. In this lesson, you will learn what a negative number is and why we use negative numbers to represent situations in real life. Whereas a positive number represents physical objects that we have or possess, a negative number can represent items that we owe to someone else. Negative numbers can also represent the distance below the zero point on the number line - such as degrees of temperature below zero.