This Christmas math mystery picture Boom Deck helps students practice 3 digit by 1 digit multiplication with regrouping. Students solve sixteen multi digit multiplication equations and uncover parts of a hidden holiday image as they choose the correct answers on the grid.This resource works perfectly for test prep, independent work, partner activities, math centers, whole class or small group practice. Ideal for 4th Grade and 5th Grade, and aligned to support CCSS 4.NBT.B.5. It is a self grading