Adding
15 + 7
22
12 - 8
4
6 x 7
42
-48 ÷ 8
-6
-5 + (-3) × 2
-11
-22 + (-8)
-30
8 - (-12)
20
-4 x (-8)
32
-72 ÷ (-9)
8
(10 - 15) × (-4)
20
-4 + 2 + (-10)
-12
-14 - (-9)
-5
-2 x 5 x (-8)
(-100 ÷ 5) ÷ (-2)
10
-12 ÷ 4 - (-6) × 2
9
A submarine is at an elevation of -20 feet. It descends another 75 feet. What is the submarine's final elevation? [Express the answer as an integer, use a full sentence]
The submarines new elevation is -95 feet
or
The submarine is now 95 feet below sea level [students must say below]
-25 - (-5) - 15
-35
A stock price drops $3 every hour for 6 hours. At the end of the 6 hours, what is the total change in value represented as an integer?
-18
Over 5 days, a pond's water level dropped a total of 60 inches. What was the average daily change in the water level? Express your answer as an integer.
-60 ÷ 5 = -12
The average daily change in the water level is -12 inches.
or
The water dropped 12 inches on average each day.
A football team loses 8 yards on one play, gains 12 yards on the next, and then loses 5 yards on the third play. What is their total yardage change? Express your answer as an integer.
-1
At midnight, the temperature was -8°F. By noon, it had risen 25°F. By 8:00 PM, it dropped 12°F. What was the temperature at 8:00 PM?
The temperature was 5°F by 8:00 PM
A bank account has a balance of $45. A check is written for $60, and then a fee of $25 is subtracted for the overdraft. What is the final balance?
45 - 60 - 25 =
45 + (-60) - 25 =
-15 - 25 =
-15 + (-25) =
-40
The final balance is -$40.
A diver descends 4 feet every minute for 15 minutes. Then, the diver ascends 3 feet every minute for 10 minutes. What is their total change in depth? Express your answer as an integer.
-4 x 15 = -60
3 x 10 = 30
-60 + 30 = -30
The total depth of the diver is -30 feet or 30 feet below sea level
A company lost $1,200 over 4 months. If the loss was the same each month, and then they gained $150 the next month, what was the net change for one of those first 4 months? Express your answer as an integer.
-1200 ÷ 4 = -300
The $150 is a distraction since the problem only asks about the first 4 months.
$ -300
You owe a friend $20. You earn $50 mowing a lawn, but then spend $15 on lunch and $10 on a movie. If you pay your friend back, how much money do you have left?
If I pay my friend back, I would have $5 left.