Integer Operations

When ADDing two integers with the SAME SIGN...

• Add and keep the same sign.

• Add and change the sign.

• Subtract and keep the same sign.

• Subtract and change the sign.

When multiplying two numbers with the SAME SIGN...

• Your answer is negative

• Your answer is positive

• It depends on if they are positive or negative numbers

• Your answer has the same sign.

When dividing two numbers with DIFFERENT signs...

• Your answer takes the sign of the bigger number

• You can't divide

• Your answer is positive

• Your answer is negative

 $-5+7=?$  

• 12

• 2

• -2

• -12

 $12+(-3)$  

• 9

• -9

• 15

• -15

 $-6\ -\ 10\ =\ ?$  

• -4

• 4

• 16

• -16

 $7\ -\ 13\ =\ ?$  

• 6

• -6

• 20

• -20

 $-72\div12\ =?$  

• 8

• -8

• -6

• 6

 $-36\div-4=?$  

• -9

• 9

• 12

• -12

 $-3\ -\ \left(-7\right)=?$  

• 10

• -10

• 4

• -4