Adding and Subtracting Negative and Positive Numbers

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

 2 - (- 2).... it is the same as 

• 2 - 2

• 2 + 2

• 2 + -2

• 2 - +2

Express an integer: a withdrawal of $100

• 100

• -100

-4 +(-3)

8 + (-7)

-3 + (-11)

-11 + 7

-4 + 2