Looking for a fun and effective way to help your 2nd Graders practice addition within 1000, subtraction within 1000, as well as place value and ordering numbers from least to greatest? Check out this Math Mystery activity related to Greek Mythology! Aligned with Common Core standards, this game will improve students' math skills, and they will have fun in the process! This convenient print and go set of worksheets includes an answer key, making it perfect for a fun class activity, early finis