These critical thinking activities by Pamela Brock all revolve around the Christmas theme. They involve students in finding patterns, multiplication, using variables, comparing numbers, order of operations, making tables, ratios, process of elimination, guess and check, and finding volume. It is geared for students in grades 4 - 6 and is aligned with the Common Core. Because some of the problems are more involved, it can be used in one sitting or can be broken up and used in more than one sitting. It is especially conducive to group work/group problem solving. An answer key is included. This work is licensed under a Creative Commons Attribution 3.0 Unported License.