1. Multiplying and Dividing Integers 1.9

2. Rules: Multiply or divide SAME sign the product or quotient is POSITIVE Examples: 1.) -2∙ (-22)= 2.) -45÷ (-9)=

3. Rules: Multiply or divide DIFFERENT SIGNS the product or quotient is NEGATIVE Example: 1.)24÷ (-24) 2.) -4 ∙ 12

4. Rules: Anytime you multiply by 0 your product is 0 Examples: 1.) 50000 (0) (12) (-3) 2.) -415(0)

5. More than 2 terms: Count the number of negative signs. If you have a(n): – ODD amount of negative signs your answer is NEGATIVE – EVEN amount of negative signs your answer is POSITIVE

6. Examples: 1.) -9(-8)(-5) 2.)

7. Average Add up all the numbers in the set and divide by the amount that were added Example: Find the average from the group Football yardage:10,-57,9,-11

8. Homework TB pg 47 (12-48 even and 54-58 even)