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
-65/-13
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
38 + -15
23
86 - (-86)
172
45 x -6
-270
-100/50
-2
When multiplying and dividing integers, if both integers have different signs, the answer is _____________.
negative
-58 + 76
18
-480 - 879
-1359
-52 x -18
936
-5000/-10
500
When you have to subtract numbers, what can you do to help you remember how to do it? Keep, change, _______!
opposite