The temperature fell a total of 12oF in 4 hours. How much did it change each hour?
-3oF
25 + (-7) =
-18
15 - 38 =
-23
- 6(- 4) =
24
-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 + (-3) =
(-40)
9 - (-20) =
29
8(-4) =
-32
27 ÷ -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 - (-4) =
36
-12(-5) =
60
48 ÷ 6 =
8
-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 - (-2) =
-95
9(-6) =
-54
-12 ÷ -4 =
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 - 2 =
-51
-8(-7) =
56
-35 ÷ 5 =
-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
-18 - (-8) =
-10
12(-4) =
-52
-88 ÷ -11 =
8
[15 - (-7)] ÷ -2 =
-11