Adding Integers (Rules)

When adding integers with the same sign, you first ​​ (a)   and then ​ (b)  

• add the numbers
• keep the sign
• subtract the numbers
• keep the sign of the larger number

When adding integers with different signs, you first ​​​ (a)   and then ​ ​ (b)  

• subtract the numbers
• keep the sign of the larger number
• add the numbers
• keep the sign

• positive

• negative

Mathematical Equivalence

OFF

• positive

• negative

Mathematical Equivalence

OFF

• positive

• negative

Mathematical Equivalence

OFF

• positive

• negative

Mathematical Equivalence

OFF