Addition & Subtraction

L.I.Addition and subtraction are inversely related. For math I had to fix math problems. I had done this by my self and we get the problems from the board that my teacher wrote. we all had to do four problems then we had to write down the strategies. We all had to do addition and subtraction. We all had a choice of doing it on slides or google drawing. As you can see i have done slides. After we to do the opposite of the subtraction as shown on slides.