ENGAGE YOUR STUDENTS in practicing their math skills while HAVING FUN pretending to be detectives solving mysteries!This package includes 7 engaging activities designed to help students practice:ONES, TENS, HUNDREDS, THOUSANDSSTANDARD FORM EXTENDED FORMWORD FORMROUNDINGCOMPARING VALUESThe activities are centred around a Christmas theme with mysteries such as: "Santa's Missing Cookies" , "Runaway Gingerbread" and, "Database Hacked!" Answer key included.We hope your students enjoy these activities