Operation on Integers

An elevator on the third floor went up 8 stories, and then went 10 stories down. Where is the elevator now?

• 1st floor

• 2nd floor

• 3rd floor

• 4th floor

The product of two negative integers is always __________________.

• negative

• positive

• zero

• one

This refers to the distance of a number from zero.

• absolute value

• number line

• origin

• area

• 9

• -9

• 8

• -8

What is the absolute value of 29?

• 29

• -29

• -(-29)

• none

What is the absolute value of – 18?

• -18

• -(-18)

• 18

• 18 and -18

When do we use the keep, change, change rule?

• Addition

• Subtraction

• Multiplication

• Division

What is the difference of -25 and -9?

• 16

• -16

• -34

• 34

The quotient of -35 and -5.

• -35

• 35

• -7

• 7

What is the sum of – 20 and – 5?

• - 15

• 25

• 15

• -25