This is a fun way for your students to practice number patterns. Students choose any card to start on. They scan the code on the card then solve the pattern problem that pops up on their screen. They record the answer on their answer sheet, then they will need to search the room for another card that has that answer on it. Once they find it they will scan the code on that card to get the next problem. It is so much better than a traditional worksheet. The students will have so much fun with the movement and technology that they won't even realize they are doing work! My students love these! They are actually excited to do the activity. The 16 cards correlate with 4.OA.5 from the fourth grade common core math objectives.