Curated OER
Calculating the Perimeter of a Rectangle
For this geometry worksheet, 4th graders read how to calculate the perimeter of a rectangle. They apply the P= 2L + 2W formula to find the perimeters of three rectangles.
AAA Math
Aaa Math: Perimeter of a Rectangle
This resource shows students how to calculate the perimeter of a rectangle. It provides self-check exercises and simple learning games to practice the skill.
CK-12 Foundation
Ck 12: Elem Math: Perimeter of Squares and Rectangles
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on finding the perimeter of rectangles and squares.