Addition and Subtraction of Signed Numbers Flashcards
1
Q
How to do addition of a positive signed number?
A
When adding positive numbers count to the right on the number line.
2
Q
How to do addition of a negative signed number?
A
When adding negative numbers count to the left on the number line.
3
Q
How to do subtraction of signed numbers?
A
When subtracting a number we add the opposite of that number.
Example: 4 - 7 = 4 + (-7) = -3
