Have your fourth grader stretch his math knowledge with a geometry worksheet. He'll calculate the perimeter of a rectangle, then draw two similar shapes.

Fourth graders will calculate the perimeter of rectangles, then draw new shapes with similar perimeters. Help your child practice geometry with this worksheet.

Use your geometry skills to find the perimeters in this worksheet. This perimeter worksheet gets your child to calculate the perimeters of rectangles.

Fourth grade mathematicians will need to use their geometry skills to figure out the length of the pictured rectangles' perimeters, then make their own.

Math ninjas can learn the secrets of the rectangle with this practice page about the area and perimeter of a rectangle.