Geometry Perimeter of a rectangle Perimeter of a rectangle: Practice finding perimeter of a rectangle. Level game: 3rd and 4th grade Math games recommended for You: Perimeter of a triangle Perimeter of a square Perimeter of a quadrilateral Area of a rectangle 3rd grade4th grade Share this Practice math games: Millimeters to centimeters Arabic numbers to Roman (to 100) Multiplying decimals Leave A Comment Cancel reply Save my name, email, and website in this browser for the next time I comment.