745LRIS WS#11 (Purple) Add and Subtract Rational Numbers

4 - I know this VERY well. I could teach it to someone else.

3 - I feel like I know this pretty well. I get almost every question right the first time.

2 - I feel like I am still learning this. I still have some questions and am unsure sometimes.

1 - I don't understand at all. I have LOTS of questions and am not sure what to do most of the time. I NEED TO BE REQUESTED FOR ADVISORY!