Make December math practice fun and easy with this Christmas 2-Digit Addition Digital Pixel Art activity for Excel and Google Sheets! Students solve addition problems, type their answers into the blue answer boxes, and receive instant self-checking feedback. Correct answers reveal a festive mystery picture automatically, making this a no-prep and no-grading digital math activity for 2nd grade. This resource can be used as a Microsoft Excel file or accessed through Google Sheets using the include