The Common Core Specialist's First Grade Thanksgiving Holiday Pack for Math includes questions that are aligned to the CCSS. This pack may be given for students to complete as extra credit during the Thanksgiving break; however, it may also be utilized for instructional purposes.
Note: There is a First Grade Thanksgiving Holiday Pack for ELA and Math that is available for purchase in my store. (The math questions are the same as those in this pack but also includes ELA questions for only $10.