Directions: You will need to work through the Addition and Subtraction worksheet. Make sure to use place value to line up your numbers. You will need to state which strategy was used as well as whether or not you needed to regroup. First, Take your two numbers and set up your addition or subtraction equation correctly. Solve each equation. Check which strategy you used to help you solve your equation and whether or not you had to regroup. Continue until you are done.