A Poppy Math Mystery Picture to review additions and subtractions for Memorial Day. This product is aligned to the Grade 1 Common Core standards. 3 different worksheets to allow you to differentiate: one sheet of additions, one sheet of subtractions and one sheet of mixed additions and subtractions with equations.The product also contains the picture in small size (1 sheet of 24 pictures) that you can give to the students when they have successfully completed a mystery picture or that you c