In this activity, students will practice very basic addition and subtractions facts. Pixel Art Mysteries in Education is a great way to get students engaged in the lesson. Students get excited to see what the new picture will be. They’ve also commented quite a bit on how much they enjoy the self-checking aspect of these activities, giving them instant feedback! For you, this means No-Prep and Easy Grading. These activities are created using Google Sheets, but can also be downloaded to work with MS Excel. If you use Google classroom, these are simple to assign. Create a new assignment, attach the Google sheet from your Google drive, and be sure to check, “Assign a copy for each student.”