Using this free resource, fourth grade students will be able to play a fun game of matching rules to tables in order to practice their understanding of increasing or decreasing number relationships. These input output tables and matching rules are perfect for math centers, partner practice, test prep, or in a review. If you have enjoyed this resource, consider purchasing the full activity HERE! Included: -6 Input/Output Rules/Answers -6 Word Problems -Recording Sheets -Instructions -Answer Key