Reading chains: Every time a student finishes a book, they can write their name, title and author of the book on a strip and attach it to their class chain. Perhaps the class with the longest chain at the end of the year could get some type of reward.
Split class into 2 teams. Teacher writes words on whiteboard. One person from each team gets an eraser. Teacher calls out a word. First team to erase the word gets a point. Sight Word Practice or math facts, state capitals, etc.