I think you could also have multiple pipe cleaners coming from one number and students have to show multiple ways to add numbers to get to that number. Counting with pipe cleaners and beads. Great for fine motor development too.
Fun Dominoes Math Activity for Kindergarten. Making this into a math "All About Me" game. For instance, The number on the uno card that you have selected, you have to match that with the response of a number that describes you.