1. Addition, Subtraction, Multiplication and Division with signed numbers
Integer Operations
Addition, Subtraction, Multiplication and Division with signed numbers

2. Addition and Subtraction
Greenville
Addition and Subtraction

5. How did you do?

6. Integer Addition Signs the same add and keep the sign
Different signs subtract and keep sign from the larger number
Subtraction is adding a negative
Some refer to the rule of keep/change/change
Another way to look at it is: two negatives become addition of a positive

7. Addition and Subtraction
Spartanburg
Addition and Subtraction

10. How did you do?

11. Myrtle Beach
Multiply and Divide

14. How did you do?

15. Integer Multiplication and Division
Even amount of negatives, the answer will be positive
Odd amount of negatives, the answer will be negative

16. Multiplication and Division
Columbia
Multiplication and Division

19. Last check