Basic
-13 + 27
14
12 + (-8) + 4
8
-16 + (-5) + 11
-10
5 + (-12) + 8 + (-3)
-2
24 + (-21)
3
-19 + 5 + (-2)
-16
14 + (-7) + (-4)
3
-8 + 12 + (-9) + 3
-2
You gain 8 points and then lose 2 points. How many points remain?
6 points
You earn $15 and then spend $9. How many $ remains?
$6
You lose 15 points and then gain 6 points. How many points remain?
-9 points
You take an elevator up 8 floors, down 5, and up 3 more. What floor are you on?
6th floor