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What Is Area? is a free printable Grade 3 maths worksheet on area as a count of unit squares, aligned to Common Core standard 3.MD.C.5. It prints 4 questions with an answer key on its own sheet of paper, in 25 versions, 21 of them with 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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21 of these 25 sets ask different questions — this skill does not have 25 questions to give. The rest reorder them, so no two pupils have the same paper in front of them.

What Is Area?

3.MD.C.5

NameDate

Count the squares. Area =

1.
Count the squares. Area =
2.
Count the squares. Area =
3.
Count the squares. Area =
4.
Count the squares. Area =

LessonPrint · 3.MD.C.5 · Set 1 · free to copy for classroom use

Answer key — What Is Area?

Set 1. Prints on its own sheet.

  1. 1.49 square units
  2. 2.36 square units
  3. 3.9 square units
  4. 4.81 square units

Questions about What Is Area?

What does the What Is Area? worksheet cover?

It practises area as a count of unit squares — 4 questions for Grade 3, all on Common Core 3.MD.C.5: Understand what area is. The instruction to pupils is “Count the squares. Area =”, and the answer key follows on the next sheet.

Which Common Core standard does What Is Area? practise?

CCSS.MATH.CONTENT.3.MD.C.5 — 3.MD.C.5, in the Measurement & Data domain for Grade 3. The published standard reads: “Recognize area as an attribute of plane figures and understand concepts of area measurement.” The worksheet assesses that standard rather than a paraphrase of it.

What age or grade is this worksheet for?

What Is Area? is written for Grade 3, typically ages 8-9. It is one of the sheets on 3.MD.C.5, so it suits any pupil working at that standard — including older pupils revisiting it and younger ones working ahead.

Does What Is Area? come with an answer key?

Yes. All 4 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 What Is Area? can I print?

25 versions, of which 21 ask genuinely different questions — this skill does not have 25 distinct questions to give, so the rest reorder them and no two pupils still share a paper. Set 1 downloads all 25 as one PDF.

Is What Is Area? free to print and photocopy?

Yes. What Is Area?, 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 3.MD.C.5?

Yes — “What Area Measures” is a 45-minute Grade 3 plan for 3.MD.C.5, timed section by section, with the misconceptions to expect and an exit ticket. What Is Area? is the practice that follows it.

More practice for 3.MD.C.5

Understand what area is.

Teaching this next? What Area Measures 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.C.5 of the Common Core State Standards for mathematics.