|
The
additive inverse is known as the
opposite of a
number.
Examples:
|
The additive inverse
of 2 is |
- 2. |

 |
|
The additive inverse
of 10 is |
- 10. |
|
The additive inverse
of -4 is |
4. |
|
The additive inverse
of -15 is |
15. |

|

|
Advanced Thinking
|

|
A number plus its additive inverse
always equals the
additive identity
|
The Additive Identity is zero
because it always gives us
our original number back as the result.
|
|
| 1 +
-1 =
0 |
-21 +
21 =
0 |
| 7.5 +
-7.5 =0 |
-61.5
+ 61.5 =
0 |
| 1/4 +
-1/4 =
0 |
-5/18
+ 5/18 =
0 |
|