Rules
Pos + Pos =
Pos
12 + -9=
3
5- (-6) =
11
4 x 13 =
52
20 / 5 =
4
Pos + Neg =
Sign of the larger Number
-1 + -12 =
-13
-23 - 34 =
-57
-6 x 4 =
-24
-15 / 3 =
-5
whats our saying for Subtraction ONLY
KCC
-1.3 + 12.2 =
10.9
-70 - 10 =
-80
-5 x -4 =
20
-48 / -12 =
4
Same sign x Same sign =
Positive
-43 + 120 =
77
-3 - 23 - (-2) =
-24
-32 x 2 x -10 =
640
122 / 10 / -2 =
-6.1
different sign x different sign =
Negative
-23 + 32 + -34 =
-25
-12 - 43 - (-122) =
67
38 x -21 x 3 =
-2,394
-231 /7 / -11=
-3