Also on these boards
This "I'm done..." board is a great way to remind students of their choices once they have completed the current activity. By having this posted as a bulletin board or poster within the room, students would have a visual reminder of the acceptable options they have while awaiting transition to the next activity. This procedure would help maintain order as well as keep faster students busy.
Early Finisher activities - Put this in a ziplog bag and make one for each student as an early finish go to assignment. Have them keep the assignments in the ziplog bag for safe keeping. When they complete a row, column, or diagonal REWARD!