3rd grade area & volume worksheets

Measuring the space inside and around figures, from rectangles to prisms. Every area & volume skill we teach at 3rd grade, one to a page. Each prints as a PDF with its answer key, and no two prints are the same.

Area, perimeter & volume skills for 3rd grade

Area & perimeter Computation · answer key Area is the space inside a shape. Perimeter is the distance around the outside. For rectangles, area = length × width and perimeter = 2 × (length + width).
Rectilinear area Fluency · answer key Split the shape into two rectangles and add their areas, or find the big rectangle and take the notch off.

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More 3rd grade math: Counting & place value · Addition & subtraction · Multiplication & division · Fractions · Measurement · Data & graphing

Or the full area, perimeter & volume collection, every grade.