Adding/Subtracting Integer Rules

When you add integers with the same sign, what do you do? 

• (+) and keep the sign

• (-) and keep the sign of the larger

• (x) and keep the sign
• (-) and keep the sign of the smaller

What do you do when you are adding integers with different signs? 

• (-) and keep sign of smaller number
• (-) and keep sign of larger number
• (+) and keep sign of smaller number number
• (+) and keep sign of larger number 

-22 + (-24)

1) Signs: ​ (a)  

2) What to Do?: ​ (b)   ​

3) Positive or Negative Result? ​ (c)  

4) Final Answer?: ​ (d)  

• Signs are the Same
• Add the Numbers
• Negative
• -46
• 46
• -22
• 22
• Signs are Different
• Subtract the Numbers
• Positive

• Adding (13+(-6))

• Adding the opposite (13+6)

• Subtracting (13-6)

-5 - (-17) ... Which addition sentence represents the same problem?

• -5 + 17

• -5 + (-17)

• 5 + (-17)

• 5 + 17

Rules for Adding Integers

• Add the Numbers

• Different Signs

  (Final Result)

• Keep Sign of Both Numbers

• Different Signs

  (What to do...)

• Keep Sign of "Larger"

• Same Signs

  (Final Result)

• Subtract the Numbers

• Same Signs

  (What to do...)

-38 + 16

1) Signs: ​ (a)  

2) What to Do?: ​ (b)   ​

3) Positive or Negative Result? ​ ​ (c)  

4) Final Answer?: ​ (d)  

• Signs are Different
• Subtract the Numbers
• Negative
• -22
• 54
• 22
• Positive
• -54
• Signs are the Same
• Add the Numbers

When adding integers with the same sign you ________________.

• Subtract and keep the sign of the larger number.

• Add and keep the sign.

A positive PLUS a positive will give you what on your final answer.

• Positive

• Negative

A negative PLUS a negative will give you what on your final answer.

• Positive

• Negative