Integers Rules for Addition and Subtraction

What is the rule for adding integers with the same sign?

• subtract and keep sign of larger number

• subtract and change the sign

• add and keep the same sign

• add and change the sign

What is the rule for adding integers with different signs?

• subtract and make the answer negative

• subtract and give answer the sign of larger number

• add and make the answer positive

• add and give the answer the sign of larger number

What is the first step when subtracting integers?

• Same/Change/Flip

• Subtract and keep the sign of larger number

• Same/Change/Change

• Follow addition rules

When subtracting integers after you have changed the operation and the sign of the second number what should you do?

• follow addition rules

• follow subtraction rules

• nothing, you are finished

• subtract and give answer a negative sign

-5 + -9 =

• -4

• 4

• -14

• 14

8 + -6 =

• -2

• 2

• 14

• -14

9 - -9 =

• 0

• -0

• -18

• 18

-15 - 5 =

• -10

• 10

• -20

• 20

-54 + -22 =

• 32

• -32

• 76

• -76

78 + -256 =

• 178

• -178

• 334

• -334