Vocabulary
A type of number that is to the right of zero on a number line.
Positive number
At the end of a game, Bobby had scored -18 points and Ali scored -12 points. Write an inequality to compare the points Bobby and Ali scored.
-18 < -12
OR
-12 > -18
Which of the following numbers have the same absolute value?
-19, 22, 45, 0, -22, 17, 1, 4
22 and -22
The following cities recorded their coldest winter temperatures:
Fallbrook (-10 degrees)
Willowsfield (-1 degree)
Balport (0 degrees)
Put the cities in order from WARMEST to COLDEST
Balport, Willowsfield, Fallbrook
Which of the following numbers are opposites?
-3, 7, 10, -4, 3, 0
-3 and 3
A word for all of the positive and negative whole numbers in our number system
Integer
Once a week, two runners go to the park and clock their mile times. Then, they calculate the change in time from the week before. They are as follows:
Rocky's change in time is -9 seconds.
Judy's change in time is 10 seconds.
Mallory's change in time is -4 seconds.
Write an inequality to compare the change in Rocky and Mallory's times.
-9 < -4
OR
-4 > -9
Is the following inequality true or false?
|4| < |-2|
False
Put the following numbers in order from LEAST to GREATEST
0, 3, -2, 10, -7, -4, 2
-7, -4, -2, 0, 2, 3, 10
Since last week, the change in value of Noah's favorite movie is -$42. Which statement BEST describes the meaning of this change in value?
The movie is now worth $42.
The movie is now worth -$42.
The value of the movie decreased by $42.
The value of the movie increased by $42.
The value of the movie decreased by $42.
A number sentence that compares two unequal quantities.
Inequality
The change in balance of Joshua's savings account last month was -$750. The change in Sophia's account was $300. The change in Pablo's account was -$300. The change in Sophia's account was _______ the change in Joshua's account.
less than
What are the absolute values of the following numbers?
|-71|, |23|, |-84|
71, 23, 84
The following hikers went to different points on a trail. This is the elevation they each stopped at:
Tommy (-16 feet)
Billy (91 feet)
Jill (-42 feet)
Nix (32 feet)
Put the hikers in order from LOWEST to HIGHEST elevation.
Jill, Tommy, Nix, Billy
What is the opposite value of -8?
8
The distance of a number from zero on the number line.
Absolute value
Is the following inequality true or false?
|-15| > 12
True
Which number has the greatest absolute value?
-9, 10, -8, -13
-13
Last night the temperature on a thermometer was -1 degree. The temperature this morning was colder than last night. Which of the following could be the temperature this morning? Choose all that apply.
0, -2, 2, -4, 5
-2 and -4
What integer could be used to show a withdrawal of $56 from a bank account?
-$56
A pair of integers that are the same distance away from zero in opposite directions.
Opposites
People get on an elevator in a skyscraper. Richard rides it -8 floors. Janet rides it 3 floors. Terrell rides it -1 floor. Write an inequality to compare Richard's ride to Janet's ride.
-8 < 3
OR
3 > -8
Two numbers that are opposites also have the same ______.
Absolute value OR magnitude
The value of a bank account is -$74. Money is then deposited into the account. Which could represent the new value of the account? Select all that apply.
-$73, -$20, $0, -$82, -$100
What integer could be used to display a deposit of $99 into a bank account?
$99