This is a fun, cooperative, 'guess my mystery number' game with activity pages to help explain the math behind the trick. This mini-unit is sure to spark your distant learning students' curiosity of computer coding. These numbers are based on the Binary Code system that computers use to make up numbers and other codes. I’ve included worksheets to help your student break the concepts down, from Base Ten numbers into Base Two, including a bit about exponents. Plus, there's a bonus activity for yo