No student devices needed. Know more
21 questions
-1 + 1 =
-2
2
0
1
-1
-1 + (-1) =
2
1
0
-1
-2
1 - (-1) =
-2
-1
0
1
2
-2 + (-2) =
-4
-2
0
2
4
-2 - (-2) =
4
2
0
-2
-4
-3 + 3 =
6
3
0
-3
-6
-3 - 3 =
6
3
0
-3
-6
3 + (-4) =
-2
-1
0
1
2
3 - (-3) =
-6
-3
0
3
6
5 + (-6) =
-11
-1
1
11
-5 - (-6) =
-11
-1
1
11
-7 + -8 =
-15
-1
1
15
-7 - (-8) =
-15
-1
1
15
9 + -9 =
-18
0
18
-10 + 11 =
-21
-1
1
21
-10 - 11 =
-21
-1
1
21
-12 + 9
-21
-3
3
21
Positive + Positive =
Positive
Negative
Difference with sign of number that 'looks' bigger
Negative + Negative =
Positive
Negative
Difference with sign of number that 'looks' bigger
Positive + Negative =
Positive
Negative
Difference with sign of number that 'looks' bigger
When subtracting integers, you will
Find the difference and take the sign of the number that 'looks' bigger.
Add the opposite.
Explore all questions with a free account