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Area of Small Rectangles is a free printable Grade 3 maths worksheet on counting squares in a small figure, aligned to Common Core standard 3.MD.C.5. 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.

Next setLesson plan

One paper per pupil

All 25 sets ask different questions.

Area of Small Rectangles

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 =
5.
Count the squares. Area =
6.
Count the squares. Area =
7.
Count the squares. Area =
8.
Count the squares. Area =

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

Answer key — Area of Small Rectangles

Set 1. Prints on its own sheet.

  1. 1.180 square units
  2. 2.187 square units
  3. 3.154 square units
  4. 4.210 square units
  5. 5.192 square units
  6. 6.255 square units
  7. 7.221 square units
  8. 8.100 square units

Questions about Area of Small Rectangles

What does the Area of Small Rectangles worksheet cover?

It practises counting squares in a small figure — 8 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 Area of Small Rectangles 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?

Area of Small Rectangles 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 Area of Small Rectangles 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 Small Rectangles 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 Small Rectangles free to print and photocopy?

Yes. Area of Small Rectangles, 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. Area of Small Rectangles 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.