Two Signs Together?
"-" and ~ezentity_quot+ezentity_quot~signs show two things:
When we do operations (like adding and subtracting) with integers we often end up with two signs next to each other. This can be confusing but the rules below can help:
Hint | Signs |
Positively a negative | + - = - - + = - |
Not negative - so it's positive | - - = + |
Positively positive | + + = + |
... the same as this | ... and it equals |
-2 - 3 | -5 |
6 - 4 | 2 |
-7 + 5 | -2 |
8 + 9 | 17 |
Use these two worksheets to practice applying the rules to the addition and subtraction of integers: