Celebrate Fall and back to school while practicing addition facts! These mystery reveal pictures allow students to add facts within 20. Students will solve basic addition problems and as they do, magical Fall themed pictures will appear. These TWELVE digital activities are self-checking, which allows students to self regulate and be independent!How does it work? Each activity is one Google Sheet. When you open it, there will be 12 questions with spaces to answer, and a blank space next to it. S