This is a free preview. For full access
The Number System: Rational Numbers, Order, Absolute Value
Introducing Negative Numbers
Description
Introducing Negative Numbers
Introduction
Negative numbers are used to represent values less than zero. They help describe situations in everyday life, such as temperatures below zero, money owed, depths below sea ...
Show More
Transcript
Imagine you’re checking the weather and it says −10°F. On a number line, numbers less than zero are called negative numbers. For temperatures, smaller numbers mean colder. Since −10 is 10 less than 0, −10°F is 10 degrees colder than 0°F.
Here, zero is the reference point. Positive numbers go to the right, and negative numbers go to the lef...
Show More