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Count the Cubes is a free printable Grade 5 maths worksheet on counting the cubes in a built cuboid, aligned to Common Core standard 5.MD.C.3. 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 3 of 25 · the same problems every time you open this link.

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One paper per pupil

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Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

Count the Cubes

5.MD.C.3

NameDate

Work out each answer.

1.A cuboid is built from 8 × 3 × 5 unit cubes. How many cubes?
2.A cuboid is built from 7 × 4 × 6 unit cubes. How many cubes?
3.A cuboid is built from 3 × 9 × 6 unit cubes. How many cubes?
4.A cuboid is built from 4 × 6 × 2 unit cubes. How many cubes?
5.A cuboid is built from 5 × 3 × 6 unit cubes. How many cubes?
6.A cuboid is built from 9 × 8 × 3 unit cubes. How many cubes?
7.A cuboid is built from 2 × 2 × 6 unit cubes. How many cubes?
8.A cuboid is built from 8 × 2 × 3 unit cubes. How many cubes?
9.A cuboid is built from 4 × 3 × 2 unit cubes. How many cubes?
10.A cuboid is built from 7 × 6 × 3 unit cubes. How many cubes?

LessonPrint · 5.MD.C.3 · Set 3 · free to copy for classroom use

Answer key — Count the Cubes

Set 3. Prints on its own sheet.

  1. 1.120
  2. 2.168
  3. 3.162
  4. 4.48
  5. 5.90
  6. 6.216
  7. 7.24
  8. 8.48
  9. 9.24
  10. 10.126

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Last reviewed 2026-09-05. Aligned to 5.MD.C.3 of the Common Core State Standards for mathematics.