A variation of the game “Go Fish” is asking for the number that will make a combination of 10 instead of asking for a duplicate number. For example, if you hold a 7 in your hand, you need to ask for a 3 because 7 + 3 = 10. This game has students quickly recognizing the combinations and builds their number flexibility.
Here is a site with a number of other quick card games to help with fluency from Math Geek Mama. Practice facts can be fun and I hope you share your favorite one. 20 Best Card Games