Area is a quantity that can be calculated both by adding and by multiplying units.

In this geometry exercise, children calculate the perimeter of various trapezoids by adding up the lengths of their sides.

Use this resource to help your students relate the concept of area to addition and multiplication.

Look closely and you will find… rectangular prisms! Help students recognize this 3-D shape while examining a kitchen scene.

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

Your fourth grader will need to use his geometry skills to calculate and create rectangle perimeters. He'll also improve addition and multiplication skills.

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

Get your child acquainted with the concept of perimeter with this geometry worksheet

Children practice calculating the perimeter of a variety of polygons in this geometry basics worksheet.

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

Use this rectangular prism cut-out to help your child learn more complex geometric shapes, or practice finding the surface area or volume of an object.

This resource will help assess your students' mastery of concepts surrounding measurement and time. This worksheet will challenge your third graders with problems on area, perimeter, measurement, and elapsed time problems.