Integers, Opposites, and Absolute Value

What are integers?

• Only positive numbers.

• Only negative numbers

• All whole numbers and their opposites

• Only Zero

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

The opposite of 12 is __.

• 12
• 0
• +12
• -12

The opposite of 0 is __.

• 0
• -0
• 100
• 1000

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 

What is the opposite of a deposit of $25?

• An allowance of $25

• An increase of $25

• A withdrawal of $25

• A credit of $25

What is the reason that absolute value is always written as a positive?

• Absolute value is talking about numbers so it must be positive.
• Absolute value does not always have to be positive.
• Absolute value is like a clock it has only positive numbers.
• Absolute value is talking about distance, distance is always measured by positive numbers.

Find the absolute value I 5 I

• 5

• -5

• 0

• 1

Find the absolute value |-43|

• -43

• 43

• 0

• -1

Evaluate the expression.
|–5| + 8

• 3
• 13
• -13
• -3