Good for sub days, review, or independent work. 8 pages of holiday themed GCF and LCM worksheets. One page of word problems, one activity-based activity (students find the LCM on a calendar), two color-in-the-answers activities, and one riddle activity (If you live in an igloo, what's the worst part about global warming? No privacy!) Includes Christmas, Hanukkah and general winter questions.