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Area of a Rectangle is a free printable Grade 4 maths worksheet on applying the area formula, aligned to Common Core standard 4.MD.A.3. 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 1 of 25 · the same problems every time you open this link.

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One paper per pupil

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All 25 sets ask different questions.

Area of a Rectangle

4.MD.A.3

NameDate

Work out the area.

1.
Sides 12 and 10. Area =
2.
Sides 10 and 7. Area =
3.
Sides 11 and 12. Area =
4.
Sides 11 and 6. Area =
5.
Sides 7 and 4. Area =
6.
Sides 10 and 12. Area =
7.
Sides 4 and 11. Area =
8.
Sides 4 and 12. Area =

LessonPrint · 4.MD.A.3 · Set 1 · free to copy for classroom use

Answer key — Area of a Rectangle

Set 1. Prints on its own sheet.

  1. 1.120 square units
  2. 2.70 square units
  3. 3.132 square units
  4. 4.66 square units
  5. 5.28 square units
  6. 6.120 square units
  7. 7.44 square units
  8. 8.48 square units

Questions about Area of a Rectangle

What does the Area of a Rectangle worksheet cover?

It practises applying the area formula — 8 questions for Grade 4, all on Common Core 4.MD.A.3: Use the area and perimeter formulas. The instruction to pupils is “Work out the area”, and the answer key follows on the next sheet.

Which Common Core standard does Area of a Rectangle practise?

CCSS.MATH.CONTENT.4.MD.A.3 — 4.MD.A.3, in the Measurement & Data domain for Grade 4. The published standard reads: “Apply the area and perimeter formulas for rectangles in real world and mathematical problems.” The worksheet assesses that standard rather than a paraphrase of it.

What age or grade is this worksheet for?

Area of a Rectangle is written for Grade 4, typically ages 9-10. It is one of the sheets on 4.MD.A.3, so it suits any pupil working at that standard — including older pupils revisiting it and younger ones working ahead.

Does Area of a Rectangle come with an answer key?

Yes. All 8 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 Area of a Rectangle 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 Area of a Rectangle free to print and photocopy?

Yes. Area of a Rectangle, 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.

Is there a lesson plan to teach 4.MD.A.3?

Yes — “Area and Perimeter Formulas” is a 50-minute Grade 4 plan for 4.MD.A.3, timed section by section, with the misconceptions to expect and an exit ticket. Area of a Rectangle is the practice that follows it.

More practice for 4.MD.A.3

Use the area and perimeter formulas.

Teaching this next? Area and Perimeter Formulas is the 50-minute plan for it, with the misconceptions to expect.

All Grade 4 worksheets

Last reviewed 2026-09-05. Aligned to 4.MD.A.3 of the Common Core State Standards for mathematics.