Rules
When you are adding with the same signs you would add and
keep the sign
5+8
13
9-6
3
(3)(-2)
-6
45/-9
-5
When you have a subtraction problem, you need to do what first?
Keep Change Change
-9+-3
-12
4-7
-3
(-6)(7)
-42
-10/-2
5
When you multiply two negative numbers your answer is
positive
-5+2
-3
-2 - (-3)
1
(-11)(9)
-99
-21/-3
7
When you add a positive and a negative number what operation will you do
Subtraction
-6+-10
-16
-4 - 6
-10
(1)(-2)(-5)
10
-100/1
-100
negative
11+-20
-9
16
(2)(-3)(2)
-12
200/-2
-100