What is the value of ∣−12∣?
12
−8+13
5
Write an integer to represent a deposit of $35.
+35
What is the opposite of -15?
15
Find the mean:
2, 4, 6
4
What is the value of ∣−25∣−∣25∣?
0
−15−6
-21
A submarine is 10 meters below sea level and dives another 8 meters. What is its new depth?
-18 meters
Which number is the coldest?
-12°
-5°
-20°
-8°
-20°
Find the median:
3, 8, 5, 2, 7
5
What is the value of ∣−18∣+∣7∣?
25
48÷(−6)
-8
An elevator travels downward at 4 feet per second for 15 seconds. How far below the ground floor is it?
60 feet below the ground floor, or -60 feet
Put these numbers in order from greatest to least:
−3, 7, 0, −8, 5
7, 5, 0, -3, -8
Find the range:
-4, 6, -2, 9, 1
13
What is the value of ∣−32∣−∣14∣?
18
What integer added to -14 gives a sum of 9?
23
Bobby is 40 feet below sea level. His sister is 15 feet above sea level. What is the difference between their positions?
55 feet
What is the additive inverse of -27?
27
Find the mean:
-8, 4, -6, 10, 5
1
A temperature is -17° in the morning and 8° in the afternoon. What is the difference between the two temperatures?
25°
6(8−3)÷(12−7)
6
A football player gains 48 yards, loses 17 yards, loses another 12 yards, and then gains 25 yards. What is his total yardage?
44 yards
Explain why -18 + 18 = 0.
18 is the additive inverse of -18. A number and its opposite always have a sum of 0.
The daily temperatures were:
-12°, 4°, -7°, -15°, 6°
Find the mean, median, and range.
Mean: -4.8°
Median: -7°
Range: 21°