Practice addition and subtraction up to 20 with these fun Christmas Math Color By Number pictures. This is such a fun activity to do at Christmas time that can review and help your students master fact fluency practice for addition and subtraction up to 20.Here, we have 30 pictures - all with Christmas vibes: Santa Claus, Mrs. Claus, Reindeer, Cookies, Stockings, Candy Canes, Candles, Snow Globe, Mini Christmas Tree, and more. Your students will solve the math problems on the pictures to find th