Adding
-7 + 3
-4
-4 - (-9)
5
-3/4 + 5/6
1/12
-4.5 + 2.7
-1.8
In the morning, the temperature in a mountain town was -3 degrees. By noon, the temperature rose by 7 degrees. What was the temperature at noon?
-3 + 7 = 4 → The temperature was 4 degrees.
12 + (-5)
7
18 - 25
-7
7/8 - (-1/2)
11/8
8.25 - 12.4
-4.15
A scuba diver is exploring a coral reef 18 feet below the surface of the water. She swims upward 11 feet. How deep is she now?
-18 + 11 = -7 → The diver is 7 feet below the surface.
-8 + (-6)
-14
-12 - 8
-20
-5/12 + -7/12
-1
-6.75 + -3.2
-9.95
During a football game, the offense lost 8 yards on the first play. On the next play, they gained 15 yards. What was their total yardage after the two plays?
-8 + 15 = 7 → The team gained 7 yards total.
15 + 9
24
30 - (-15)
45
-9/10 - 3/5
-3/2
10.5 - (-4.8)
15.3
Jordan’s bank account was overdrawn, showing a balance of -25 dollars. After depositing 40 dollars, what was the new balance?
-25 + 40 = 15 → The balance is 15 dollars.
-20 + 13
-7
-7 - (-2)
-5
11/6 + -13/12
3/4
-15.6 + 7.25
-8.35
In a video game, a player lost 12 points after hitting a trap. Then they lost 7 more points on the next level. Finally, they gained 20 points by collecting a treasure. What is the player’s total score change?
-12 + -7 + 20 = 1 → The player gained 1 point overall.