Clean vertical multiplication practice is one of those resources teachers reach for all year. Kids need the columns lined up, the page cannot be cluttered, and the answer key has to be there when you are using it for centers, homework, intervention, or a sub plan.What is included:- 40 printable vertical multiplication worksheets- 40 matching answer-key pages- four difficulty tiers: 1x1, 2x1, 2x2, and 3x1 multiplication- clean student pages with Math Builders header/footer branding- square cover