Opposites
What is the opposite of 9?
-9
Depositing money (increases/decreases) the amount of money put into an account.
Increases
Write the integer that represents the opposite of the situation:
100 ft above sea level
-100
Draw a horizontal number line (and an appropriate scale).
Locate 6 and its opposite on your number line.
6 and -6
When Steve woke up, his temperature was 102 degrees F. Two hours later it was 3 degrees lower. What was his temperature then?
102-3= 99
His temperature was 99 degrees F.
What is the opposite of -25
25
The bank made a charge of $5 to my account. Did I lose or gain money?
Lose
Write the integer that represents the opposite of the situation:
32 degrees below zero
32
Draw a vertical number line (and an appropriate scale).
Locate and label a credit of $15 and a debit for $15 from a bank account.
15 and -15
Solve:
78.5379 + 57.82
136.3579
TRUE OR FALSE:
The opposite of 3 is 3-
False
The opposite of 3 is -3
(Location of negative sign MATTERS!)
Write the integer that represents a debit of $35
-35
Write the integer that represents the opposite of the situation AND explain what zero means in the situation:
A withdrawal of $25
25. Zero represents having no change occur in the bank account.
Draw a horizontal number line (and an appropriate scale).
Locate and label 20 degrees below zero and its opposite. What does zero represent in this situation?
20 and -20.
Zero represents 0 degrees.
Solve:
What is 27 cubed?
19,683
What is the opposite of 0?
0
Write the integer that represents a credit of $150
150
Write the integer that represents the opposite of the situation and explain what zero means in the situation:
100 feet above sea level.
-100.
Zero represents sea level.
Draw a vertical number line (and an appropriate scale).
Represent odd numbers between -10 and -14 and their opposites.
Number line should have -14 through 14 represented.
Dylan was standing at the top of the Grand Canyon edge yelling down to encourage Mrs. Paul on her hike back UP to reach him. If Dylan was standing at 21,904 feet above sea level and Mrs. Paul was standing at 2,056 below sea level, what is the distance that separates mother and son?
23,960 feet separate Mrs. Paul from Dylan in the Grand Canyon.
What is the opposite of 32 degrees below zero?
32 degrees above zero
When referring to money, a charge is represented with a (negative/positive) number
Negative
A football player lost 10 yards when he was tackled. What integer represents the opposite of this value?
10
What is the relationship between any number and its opposite when plotted on a number line?
A nonzero number and its opposite are both the same distance away from zero on a number line, but they are on opposite sides of zero.