Adding Integers
46 + 73
119
86 - 39
47
6 - 9
-3
The temperature was 12°C in the afternoon. By nighttime, it dropped 7 degrees. What was the temperature at night?
5°C
−15+8−(−12)
5
-6 + (-9) =
-15
14
-4 + 11 -3
4
A submarine is 18 meters below sea level. It rises 7 meters. What is its new position?
-11 meters
24−(−8)+(−15)−12
5
-14 + 8
-6
-7 - 9
-16
5 - 7 + (-8)
-10
Marcus has $25 in his account. He spends $38. What is his new balance?
-13
−30−(−18)+7−(−5)
0
25 + (-37)
-12
-15 - (-22)
7
-12 - (-5) + 9
2
The temperature was −4°F in the morning. During the afternoon, it increased by 13°F. That evening, it dropped 8°F. What was the temperature that evening?
1°F
The temperature is −8°F. It rises 15 degrees, drops 12 degrees, and then rises another 7 degrees. What is the final temperature?
2
-48 + 27 + (-15)
-36
-35 - 18 - (-12)
-41
-18 + 7 - (-12) - 9
-8
A hiker begins at an elevation of 120 feet. She hikes down 175 feet, climbs up 80 feet, and then descends another 45 feet. What is her final elevation?
−20 feet
A diver begins at 15 meters below sea level. She rises 8 meters, descends 17 meters, rises 12 meters, and then descends 6 meters. What is her final position relative to sea level?
-18 (BONUS! Why must the answer be negative!?!?!?)