Absolute Value & Opposites
Absolute value is the distance from what number?
zero
5+53-(-7)
65
Compare:
-55 -51
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The temperature of New York City on a certain day is -3°C. The next day, it increases by 2°C. Then what is the temperature on the next day?
-1 degree Celsius
Identify an integer that represents the situation: a withdrawal of $42.13
- $42.13
abs(-30)
30
6\div2(1+2)
9
Compare:
-2 -2.5
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Bryan works as an underwater photographer. He starts at a position that is 15 feet below sea level. He rises 9 feet, then descends 12 feet to take a photo of a coral reef. What is his current depth?
18 feet below sea level or -18 feet
True or False: An integers absolute value is equal to the value of it's opposite
FALSE
Opposites have the same __________
absolute value
7-24\div 8\times4+6
1
Arrange the numbers in ascending order
abs(10), abs(-3), abs(0), -abs(-5.25)
-abs(-5.25), abs(0), abs(-3), abs(10)
From sea level, a submarine descends 40 feet per minute. Where is the submarine in relation to sea level 5 minutes after it starts descending?
200 feet below sea level OR -200 feet
Identify the integers in the following set of numbers:
-4/2, 0, 1.34, 1/3, 7
-4/2, 0, 7
Identify the value(s) that can be replaced with "x" to make the expression true.
\abs(x)=9
-9 and 9
25\div(8-3)^2\-1
0
List the surface temperatures below in descending order:
Jupiter: -162
Moon: -10
Mars: -81
Earth: 59
Earth (59), Moon (-10), Mars (-81), Jupiter (-162)
The temperature of a hot iron rod drops by 8 degrees every hour. If the temperature of the iron rods is 13 degrees, find the temperature after 4 hours.
-19
Solve: 8-4(2+5^2)\div12
-1
The opposite of
-abs(-5)
+5
-10-7(3+2)+7^2
4
Arrange the following values in descending order:
3^2, -\abs(-1.2), (-2)^3, -1.02, 1.24
3^2, 1.24, -1.02, -\abs(-1.2), (-2)^3
Ryan is playing a video game where catching a fish in the basket adds ten points to her score. If she catches an octopus, she loses 5 points. What is her total score if she caught two fish and five octopus?
2(10) + 5(-5) = -5 points