11 questions
4 + (-5) =
9
-9
1
-1
15 - 10 =
25
5
-5
-25
-15 + 8
-7
-6
-5
-8
-7 + - 3 =
10
-4
4
-10
10 - (-7) =
3
7
17
-17
-5 - (-2) = [Hint: remember that two negatives in a row = a positive]
-3
-2
-1
-7
-9 + -1 =
-10
1
2
10
5 - 8 =
3
13
-3
-13
6 - (-1) =
7
5
-7
4
15 + 5 - 3 =
17
23
-17
-23
-10 + (-6) + (-4) =
15
0
10
-20