﻿ Definition of Opposite Numbers | Define Opposite Numbers - Algebra - Free Math Dictionary Online

# Opposite Numbers

## Definition of Opposite Numbers

Two numbers that have the same magnitude but are opposite in signs are called Opposite Numbers.

• When opposite numbers are added, it gives zero.
• To get the opposite of a number, change the sign.
• The absolute values of opposite numbers are the same.
• The opposite numbers are equidistant from 0 on a number line

### Example of Opposite Numbers

• + 25 and - 25 are the opposite numbers.
• - 8 is the opposite number of + 8.

### Solved Example on Opposite Numbers

#### Ques: Identify the opposite of 6 and represent it on a number line.

##### Choices:
A. + 6, Figure 1
B. - 6, Figure 2
C. ± 6, Figure 3
D. None of the above

#### Solution:

Step 1: Opposite of 6 is - 6. [To get the opposite, change the sign of the number.]
Step 2: Negative numbers will be to the left of 0 and positive numbers will be to the right of 0 on the number line.
Step 3: As - 6 is negative number, it will be 6 units to the left of 0 on the number line.
Step 4: So, figure 2 represents - 6.

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