Absolute Value
What is the absolute value of |5|?
5
16 + (-2)
14
-2/11 - (-5/11)
-2/11+ 5/11
3/11
Evaluate the expression when n= - 12.
2 - n
2 - (-12)
2+ 12
14
One fish is 2 feet below sea level. Another fish is 4 feet below sea level. Write each position as an integer.
(You are writing two different numbers.)
-2 feet and -4 feet
What is the absolute value of |-4|?
4
6 + (-9)
-3
-6.35 - 2.45
-6.35 + (-2.45)
-8.8
Evaluate the expression when n= - 12.
n - 4
-12 - 4
-12 + (-4)
-16
You start hiking at an elevation that is 75 meters below base camp. You increase your elevation by 21 meters. What is the new elevation with respect to base camp?
-75 + 21 = -54
-54 feet of 54 feet below base camp
What is the absolute value of -|-22|?
-22
-5 - 7
-5 + (-7)
-12
-3/8 + 1/16
-6/16 + 1/16
-5/16
Evaluate the expression when n= - 12.
n - (-3)
-12 - (-3)
-12 + 3
-9
The temperature falls from 20°C to —14°C. What is the difference in these temperatures?
20 - (-14)
20 + 14 = 34
There is a 34°C difference
Complete the statement using <, >, or =.
|4| ___ |-5|
<
(-6) - (-7)
-6 + 7
1
-2.3 + (-16.436)
16.436 + 2.300
-18.736
Evaluate the expression when n= - 12.
n + n
-12 + (-12)
-24
A scientist is working in his lab. His specimen’s temperature falls from 180°C to —94°C. What is the difference in these temperatures?
180 - (-94)
180 + 94 = 274
There is a 274°C difference
Complete the statement using <, >, or =.
|-3| ___ -|3|
>
6 - (-9) + (-7)
6 + 9 + (-7)
15 + (-7)
8
-3 3/8 - 1 5/6
-27/8 + -11/6
-81/24 + -44/24
-125/24
-5 5/24
Evaluate the expression when n= - 12.
n - n
-12 - (-12)
-12 + 12
0
The table shows the temperature in Idaho Springs, Colorado, for certain times during a particular day.
Time 4 AM. 9 A.M. 2 P.M. 6 P.M. 11 P.M.
Temperature —14°F —6°F 17°F 3°F —9°F
Find the range of temperatures.
17 - (-14)
17=14 = 31
There is a range of 31°F