Add and Subtract Integers on a Number Line

Will the sum of (-10) + (-18) be a positive, negative, or zero?

• positive

• negative

• zero

Solve.

9 + (-17) + (-9)

• 9

• -9

• -17

• 17

When adding integers with different signs, you must __________ the absolute value of each integer and keep the sign of the integer with the higher value.

• add

• subtract

• multiply

• divide

Add.

-4 + (-6)

• 10

• 2

• -2

• -10

Add.

14 + (-5)

• 19

• -19

• 9

• -9

Add.

18 + (-18)

• 0

• 36

• -36

• 10

Add.

-13 + 9

• 4

• -4

• 22

• -22

Add.

5 + (-7)

• 12

• 2

• -2

• -12

The sum of an integer and its additive inverse will always be

• positive

• negative

• zero

• neither

Solve.

9 + 6 + (-6)

• -9

• 21

• -21

• 9