6th grade volume word problems worksheets

Grade 6 keeps the same length-times-width-times-height reasoning and allows fractional edge lengths, like a side of 6 1/2 inches, per 6.G.A.2. Diagram problems continue, and the numbers are set so the volume still comes out whole.

Free printable PDF worksheet, aligned to Common Core 6.G.A.2.

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The kind of problems you'll get

Solve each problem. Show your work and include units.

  1. A wooden block is a rectangular prism 2.4 centimeters long, 1.6 centimeters wide, and 1.7 centimeters high. Find its volume in cubic centimeters.

    Answer: 6.528 cm.cubed

  2. A foam block is a rectangular prism 2.2 centimeters long, 1.9 centimeters wide, and 1.6 centimeters high. Find its volume in cubic centimeters.

    Answer: 6.688 cm.cubed

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.

How to teach this

A half-unit edge is where the layer picture earns its keep: a layer can be half a cube tall, so 8 × 4 × 6 1/2 is 32 cubes per layer, six full layers and one half layer, 192 + 16. Encourage writing the fractional dimension as a mixed number times the base rather than reaching for a decimal.

Watch for: Kids add the three measurements instead of multiplying, so a 12 by 6 by 5 tank comes back as 23. Volume counts cubes filling the space, and each layer multiplies. Kids stop after length times width, reporting the base area as the volume. The height tells how many of those layers stack up; without it you've measured a floor, not a box. Kids write the answer in plain units or square units. Volume is measured in cubic units, cu cm or cu in, because it counts little cubes.

Common questions about volume word problems

How is sixth grade volume different from fifth?
The formula is the same; the edges change. Sixth grade prisms can have fractional edge lengths, like 6 1/2 inches, per 6.G.A.2, so the multiplication passes through a mixed number on the way to a whole-number volume.

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Aligned to Common Core 6.G.A.2. Reviewed by the One more sheet team. Content version 240, updated September 2026.

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