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Perimeter of a Rectangle is a free printable Grade 3 maths worksheet on the distance around a figure, aligned to Common Core standard 3.MD.D.8. It prints 8 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 17 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.

Perimeter of a Rectangle

3.MD.D.8

NameDate

Work out the perimeter.

1.
Sides 6 and 10. Perimeter =
2.
Sides 8 and 11. Perimeter =
3.
Sides 8 and 12. Perimeter =
4.
Sides 7 and 13. Perimeter =
5.
Sides 7 and 14. Perimeter =
6.
Sides 8 and 10. Perimeter =
7.
Sides 6 and 14. Perimeter =
8.
Sides 9 and 11. Perimeter =

LessonPrint · 3.MD.D.8 · Set 17 · free to copy for classroom use

Answer key — Perimeter of a Rectangle

Set 17. Prints on its own sheet.

  1. 1.32 units
  2. 2.38 units
  3. 3.40 units
  4. 4.40 units
  5. 5.42 units
  6. 6.36 units
  7. 7.40 units
  8. 8.40 units

More practice for 3.MD.D.8

Find the distance around a shape.

Teaching this next? Perimeter of Polygons is the 45-minute plan for it, with the misconceptions to expect.

All Grade 3 worksheets

Last reviewed 2026-09-05. Aligned to 3.MD.D.8 of the Common Core State Standards for mathematics.