'Marvin the addition monster' Pick a card (visual reps on cards) and put corresponding number ring on Marvin's horn. Put correct amount of blue counters down one horn, and yellow down the other. Open Marvin's mouth and you've got the total.
Another pinner said Seusstastic Classroom Inspirations: Word Work. Students place the lily pad "sight words" or any word families around the room and say them as they hop on each word. I can see adapting this for any math skill as well!