Integer Rules

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

What are the rules for subtracting integers?

• Change to multiplication and use the opposite of the second number.
• Change subtraction sign to addition and use the opposite of the second number.
• Find the opposite of both numbers and then add. 
• Subtract like normal and keep the larger sign. 

When we are adding, the rule for numbers with the same sign is...

• same signs subtract
• same signs add and keep
• same signs positive
• same signs negative

When we are adding numbers with different signs, we follow the rule of...

• different signs subtract
• different signs positive
• different signs add and keep
• different signs negative

Which is the rule for subtraction of integers?

• same sign sum

• different sign difference

• add the opposite

  (Keep, change, change)

• just subtract

7 + (-13)

• -6

• 6

• -20

• 20

-4 - 16

• -20

• 20

• -12

• 12

3 - 11

• -8

• 8

• -14

• 14