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Two Boxes Together is a free printable Grade 5 maths worksheet on adding the volumes of two solids, aligned to Common Core standard 5.MD.C.5. It prints 10 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two pupils in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 1 of 25 · the same problems every time you open this link.

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All 25 sets ask different questions.

Two Boxes Together

5.MD.C.5

NameDate

Work out each answer.

1.One box is 4 × 4 × 2 and another is 2 × 2 × 2. Total volume =
2.One box is 5 × 6 × 2 and another is 2 × 5 × 2. Total volume =
3.One box is 6 × 4 × 2 and another is 4 × 3 × 2. Total volume =
4.One box is 6 × 3 × 2 and another is 3 × 3 × 2. Total volume =
5.One box is 6 × 2 × 2 and another is 3 × 5 × 2. Total volume =
6.One box is 2 × 3 × 2 and another is 5 × 4 × 2. Total volume =
7.One box is 3 × 6 × 2 and another is 5 × 4 × 2. Total volume =
8.One box is 3 × 2 × 2 and another is 2 × 3 × 2. Total volume =
9.One box is 6 × 5 × 2 and another is 4 × 2 × 2. Total volume =
10.One box is 4 × 4 × 2 and another is 2 × 5 × 2. Total volume =

LessonPrint · 5.MD.C.5 · Set 1 · free to copy for classroom use

Answer key — Two Boxes Together

Set 1. Prints on its own sheet.

  1. 1.40 cubic units
  2. 2.80 cubic units
  3. 3.72 cubic units
  4. 4.54 cubic units
  5. 5.54 cubic units
  6. 6.52 cubic units
  7. 7.76 cubic units
  8. 8.24 cubic units
  9. 9.76 cubic units
  10. 10.52 cubic units

Questions about Two Boxes Together

What does the Two Boxes Together worksheet cover?

It practises adding the volumes of two solids — 10 questions for Grade 5, all on Common Core 5.MD.C.5: Find volume by multiplying. The instruction to pupils is “Work out each answer”, and the answer key follows on the next sheet.

Which Common Core standard does Two Boxes Together practise?

CCSS.MATH.CONTENT.5.MD.C.5 — 5.MD.C.5, in the Measurement & Data domain for Grade 5. The published standard reads: “Relate volume to the operations of multiplication and addition and solve real world and mathematical problems involving volume.” The worksheet assesses that standard rather than a paraphrase of it.

What age or grade is this worksheet for?

Two Boxes Together is written for Grade 5, typically ages 10-11. It is one of the sheets on 5.MD.C.5, so it suits any pupil working at that standard — including older pupils revisiting it and younger ones working ahead.

Does Two Boxes Together come with an answer key?

Yes. All 10 answers are generated from the same problems as the questions, so the key cannot drift out of step with the sheet. It starts on a fresh sheet of paper, after the questions, so it is not handed out with the class by accident.

How many different versions of Two Boxes Together can I print?

25 — one per pupil, and all 25 ask different questions. Set 1 downloads the whole class as a single PDF. Every version is fixed to its own address, so a sheet printed today holds the same problems when you reopen it next week.

Is Two Boxes Together free to print and photocopy?

Yes. Two Boxes Together, its answer key and its 25 versions are free to print and photocopy for your own class, with no account, no email capture and no subscription at the download step. Please do not resell them or republish them as your own.

More practice for 5.MD.C.5

Find volume by multiplying.

All Grade 5 worksheets

Last reviewed 2026-09-05. Aligned to 5.MD.C.5 of the Common Core State Standards for mathematics.