This Christmas math mystery picture deck will help 4th Grade students practice and review multi digit multiplication with regrouping. The deck contains 2 digit by 1 digit, 3 digit by 1 digit, 4 digit by 1 digit and double digit (2 x 2) equations.There are 16 questions to solve altogether (4 of each type) starting with 2x1 problems and progressing to 2x2 digit problems.Once a calculation is made, students select the correct square from the grid and reveal part of a mystery picture. They continue