Definitions
All the positive and negative whole numbers including the number 0.
Integer
Can integers be fractions or decimals?
No, they can only be whole numbers
What is the opposite of 3 degrees below zero? Give me the integer with the sign.
+3 or three degrees above zero
|-6| =
6
A scuba diver is at a depth of 35 feet below sea level. The integer that represents this elevation.
-35
The name of these brackets | |
Absolute value
This type of integer is less than zero.
Negative integer
Opposite of +23
-23
|2| + |-2| =
4
A bank account statement shows a deposit of $85. The integer that represents this transaction.
Two different numbers that have the same absolute value.
Opposites
Moving to the left of the zero on a standard number line causes values to do this.
To make a number smaller, remember that the larger the negative number, the smaller the value! So, the more negative it gets, the lesser it becomes. Keep this in mind for easier understanding!
Which is higher, 5 feet below sea level or 4 feet below sea level? Also, what is that number's opposite?
4 ft below sea level, -4
|4| + |-4| + |1| =
9
The temperature in Alaska is 12 degrees below zero, while the temperature in Florida is 75 degrees above zero. The integer representing Alaska's temperature.
-12
The direction on a number line in which numbers get larger.
The Right
What integer describes each situation? A loss of 6 yards? A weight gain of 12 pounds, 15 feet below sea level, Neither positive or negative
-6, +12, -15, 0
What is the opposite of 0?
Zero
A submarine is traveling in the ocean. At one point it is 250 feet below sea level, and later it rises to 40 feet above sea level in the water near a platform.
What does 0 feet represent in this situation?
A. the highest point the submarine reaches
B. the ocean floor
C. the surface of the ocean
D. the starting point of the submarine
C. The surface of the ocean
A store records a net loss of $500 in sales during a bad week. The integer representing this financial situation.
-500
True or false. In addition to negative numbers, integers also include whole numbers.
True
New Orleans is 8 feet below sea level, how many feet would it have to rise to be AT sea level?
8 feet
Why is absolute value always positive?
It's only telling how far the number is away from the zero on the number line, and distance is always positive.
A football team gains 8 yards on first down and then loses 8 yards on second down. The integer representing the team's overall location relative to where they started.