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!
Weekly newsletter home: start the year by doing it yourself then transition to kids taking over. You do the final read thru to make sure it's appropriate. Can even set the article topics yourself if you want or have them choose what to write about