Add
-10 + 17
7
10 - 22
-12
A submarine submerged at a depth of -40 feet dives 57 feet more. What is the new depth of the submarine?
-97 feet
-11 + (-12)
-23
-5 - 12
-17
A stock gained 2 points on Monday, lost 5 points on Tuesday, lost 1 point on Wednesday, gained 4 points on Thursday, and lost 6 points on Friday. How much was the gain or loss?
lost 6
25 + (-50)
-25
6 - (-14)
20
Tina wrote a check for $35 on Monday. On Tuesday she made of withdrawal of $60 and on Wednesday she deposited $75. What is the change in Tina’s account after the three days?
-20 dollars
-33 + 42
9
-20 - (-18)
-2
The temperature in Montreal was -15 degrees C. In New York the temperature was 11 degrees C. How many degrees warmer was the temperature in NewYork?
26 degrees
-55 + (-45)
-100
-45 - (-52)
7
The temperature changed from 5 degrees C at 6 p.m. to -2 degree C at midnight. How much did the temperature decrease?
7 degrees