Colourful, timesaving, and a snap to set up and store, these fun and engaging filefolder games encourage independent learning. Just glue the brightlycolored game boards inside file folders, and students will have everything they need to play games that help them learn and practice early math skills. Perfect for learning centers!Addition & Subtraction topics include addition and subtraction facts to and from 18, adding identical addends, and finding missing addends and subtrahends.