 
    Student Instructions
                    Watch the video to learn how to subtract with regrouping.
Solve the problems by using  to show all of your regrouping and subtracting. 
While you are solving the problem,
 to show all of your regrouping and subtracting. 
While you are solving the problem,  yourself telling what you are doing. 
When you are finished, tap
 yourself telling what you are doing. 
When you are finished, tap  to submit.
 to submit.
                
