Christmas Math: I Have, Who Has - Average of 3 Numbers. Package contains 24 "I have.. Who has..?" cards. The answer key is included so you can follow along as the game is being played and be able to help a student who is stuck on an answer. Print on cardstock, laminate and cut out each set of cards. This activity is perfect for small group instruction or as a center activity. There are no specific start or end cards. Directions: Pass out randomly the "I have who has" cards to students. Some st