Adding Integers
2 + 2
4
17 - 9
8
7 x 5
35
27/(-3)
-9
When adding two integers that have the same sign you ________ them and use the sign of both integers.
add
-8 + -10
-18
(-7) - (-5)
-2
(-8) x (-12)
96
5
When adding two integers with opposite signs, you _________ the two integers and take the sign of the greater absolute value.
subtract
3 + (-9)
-6
9 - 16
-7
(-11) x 11
-121
66/(-3)
-22
When multiplying and dividing integers, if both integers have the same sign, the answer is _____________.
positive
(-9) + 99
90
86 - (-86)
172
(18)(-16)
-288
(105)/(-3)
-35
When multiplying and dividing integers, if both integers have different signs, the answer is _____________.
negative
(-58) + 76
18
480 - 879
-399
(-33)(-7)
231
(-5000)/(-10)
500
What is the opposite of dividing by 9?
Multiplying by 9