Students can work as individuals, pairs or groups. I suggest printing slides on cardstock and laminating. Depending on the maturity level of the class, I either hang slides around the room or tape to desks. Student will pick a slide to start with, solve the problem on the slide and then locate the slide that has the answer to their problem, in the upper left hand corner. They will then solve the problem on this slide. If all problems are worked correctly students will make their way back to the problem that they started with! Answer located on last slide.
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