Give each student a copy of the page. Cut cardboard or other heavyweight paper into strips. Print the numbers , two sets for each board. Cut out the numbers. Glue one set of numbers on the board, spacing them evenly.
Simulation Give students time to work through the problem using the locker boards.
One person in each group should record the process . The others should open and close the lockers. The Locker Problem can be simulated using a spreadsheet. Name it lockers . Student 1 opens all of the lockers.