Absolute Values and Opposites

Bill is thinking of a number. He says his number is the opposite of l-12l. What number is Bill thinking of?

• -l-12l

• 12

• 12-12

• l12l

Which situation is best represented with a negative integer?

• 68 degrees above zero

• A growth of 4 inches

• Earnings of $28

• 78 feet below sea level

What is the opposite of 12?

• 12
• -12
• 0
• 1/12

What is the opposite -5?

• 5
• 0
• -5
• 10

What is true about opposites?

• They are on the same side of zero
• They are the same distance away from zero.
• They are not really opposites

The opposite of a negative is always a ___________

• positive
• negative
• absolute value
• inequality

How do you know that 5 and -5 are opposites? 

• Because they both have a 5 
• They are the same distance from 0 and on opposite sides of 0 
• Because they are the same 
• They both are on a number line 

Evaluate the expression.
| 9 |

• 0.9
• 9
• -9
• 90

Evaluate the expression.
|–5| + 8

• 3
• 13
• -13
• -3

What is absolute value?

• The value of a number
• The opposite of a number
• The distance of a number is from zero
• The multiplicative inverse of a number