This activity can be used to practice integer operations.  It includes addition, subtraction, multiplication and division.  Ability to edit to accomodate for number or questions and/or a specific operation is available. Students each start with their own paper.  Each student solves the first problem in the alotted time (suggested time 1 min).  When the time is up students pass their paper to a specified student next to them.  Students continue this in a circular pattern so that each students ends up with their original paper at the same time.  Correct papers at the end.