Opposite Numbers
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Definition of Opposite Numbers
Two numbers that have the same magnitude but are opposite in signs are called Opposite Numbers.
More About 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.
Video Examples: How to Find the Opposite of a Number
Solved Example on Opposite Numbers
Ques: Identify the opposite of 6 and represent it on a number line.
Choices:
A. + 6, Figure 1B.  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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