6th grade parallelograms with a missing side worksheets

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Parallelograms with a missing side worksheets for 6th grade print 6 problems per page. Find each area or missing length. Show your calculation. Area is base × perpendicular height. The height meets the base at a right angle.

Free printable PDF worksheet, aligned to Common Core 6.G.A.1.

Each print is a different sheet with its own answer key. You don't need to sign up.

The kind of problems you'll get

Find each area or missing length. Show your calculation.

  1. Base: 7 cm; height: 4 cm.

    Answer: 7 × 4 = 28 cm².

Most problems on this sheet sit beside a picture, model or diagram, so this is the worked example the sheet itself prints. The answer key on page two prints the answer under every problem.

Every print pulls a fresh set of problems at this level, so a make-up test or a second sibling never gets the same sheet.

What's on each sheet

Every version prints on US Letter or A4, with its answer key after the problems.

This sheet is one of the versions on the 6th grade area of parallelograms page, with its own difficulty choices and its own answer key.

How to teach this

Before any multiplying, have your child trace the dashed height with a finger and say "this one, not the slanted side." Picking the wrong number is the whole game here. If the formula feels like magic, cut a paper parallelogram, snip off the slanted triangle, and slide it to the other end: a rectangle appears, same base, same height. After that demonstration, base times height needs no convincing.

Watch for: Kids use the slanted side instead of the height. The height is the dashed line standing square on the base. Kids think the slant makes the area smaller than base times height. The slanted piece slides over to fill a rectangle exactly, so base times height is the whole area.

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Aligned to Common Core 6.G.A.1. Reviewed by the One more sheet team. Content version 241, updated September 2026.

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