Christmas Math Worksheets First Grade Teaching Resources | TpT These Christmas math worksheets for 1st grade are a fun way for students to practice important math skills this holiday season! There are 17 student worksheets and 17 answer pages.The math skills covered in these worksheets include:- Counting by 1s to 100 (1.NBT.1)- Skip counting by 10s to 100 (1.NBT.1)- Tens and Ones (1.NBT.2)- Tens and Ones ...