The temperature fell a total of 12oF in 4 hours. How much did it change each hour?
-3oF
25 + (-27) =
-2
15 - 38
-23
- 60(- 4)
240
-100 ÷ 4 =
-25
(-14+4)-5 =
50
A football team lost 3 yards on each of the 4 plays they ran. What was their overall change in yardage?
-12 yards
-37 + (-13) =
(-50)
9 - (-20)=
29
8(-40)
-320
270 ÷ -3
-9
36 ÷ 3 + (-5) =
A submarine is at a depth of -250 feet relative to sea level. It then ascends 75 feet. What is the submarine's new depth?
-175 feet
(-15) + 15 =
0
32 - (-14) =
46
-12(-5)=
60
480 ÷ 6
80
-5 + (-6) -4 =
-15
Sarah has a balance of $150 in her bank account. She writes a check for $200. What is her new bank account balance?
-$50
-12 + (9) =
(-3)
-97 - (-82) =
-15
90(-6) =
-540
-120 ÷ -40 =
3
42 ÷ 2 + (-1) =
20
A hot air balloon is at an altitude of 300 feet. It descends at a rate of 50 feet per minute. What is its altitude after 5 minutes?
50 feet
8 + (-15) =
-7
-49 - 22 =
-71
-80(-70) =
5600
-350 ÷ 50 =
-7
14(-2) - (-8) =
-20
The temperature in Chicago was -5oF in the morning. By noon, the temperature rose by 12oF, but by midnight, it dropped 15oF from the noon temperature. What is the final temperature at midnight?
-8oF
-43 + 12 =
-31
-97 - (-82) =
-15
13(-40) =
-520
-880 ÷ -11 =
80
[15 - (-7)] ÷ -2 =
-11