Opposite of Numbers and Additive Inverse

• 9

• -9

• 0

• 1.9

What do we call a number less than zero?

• integer
• negative number
• whole number
• positive integer

What is the definition of integers 

• a set of positive whole numbers, their opposites, and 0 
• a set of negative whole numbers 
• positive and negative numbers
• any number you can graph on a number line

• -89

• 89

• 0

• 98

What is the opposite of 0? (Check all of the answers you think are correct)

• -0

• 1

• 0 does not have an opposite

• 0

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 

12 and -12 are example of ....

• opposites
• even numbers
• negative numbers
• absolute values

The negative sign can mean __________________

• the same.

• the opposite.

• positive

The opposite of an opposite of a number is _______________.

• opposite

• itself

• who knows

What is the opposite of the opposite of 3?

• -3

• 3

• 0