Integers, Opposites and Absolute Value

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.
|–5| + 8

• 3

• 13

• -13

• -3

Evaluate the expression.
|-2| + |-5|

• 7

• -7

• 3

• -3

What are integers?

• Only positive numbers.

• Only negative numbers

• All whole numbers and their opposites

• Only Zero

Sendhil wrote an integer. The opposite of Sendhil’s integer is 14. Which statements about Sendhil’s integer must be true?​ I. The integer has an absolute value of 14. II. The integer has an absolute value of -14. III. The integer is 14. IV. The integer is -14.

• I and IV

• I and III

• II and III

• II and IV

Match the following to the solution

• -17

• Opposite of 17

• -15

• Opposite of 15

• 15

• l-15l

• 17

• l -8 l + 9

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 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