Christmas Math worksheets within 10 for Pre-K, 1st, and 2nd grade with answer key This Christmas math worksheet is designed to make your class more fun with its carefully selected, adorable illustrations. You can use it for a wide variety of activities without any worries. Not only make classes more fun, but I also add beautiful graphic design to bring happiness to everyone. This is the second version of the design for the Christmas season. File included 20 worksheets on addition and Subtraction